Keyway tolerance calculator. Check out this Dowel Pin Slip Fit Tolerance Chart for further consideration on slip fit tolerances. Keyway tolerance calculator

 
 Check out this Dowel Pin Slip Fit Tolerance Chart for further consideration on slip fit tolerancesKeyway tolerance calculator Grainger approved keyed shaft,dia 1-1/4 in,keyway 1/4 inShaft keyway shear and yield strength formulae and calculator Splines keyways keys key keyway shaft milling machine componentKey and keyway dimensions (control in motion)

Standard Calculator Bore Size. Oversized keys create a tight fit. Book Store Engineering Forum Excel App. 1265 0. 'keyway tolerances Mechanical engineering other topics May 12th, 2018 - For shafts 10 to 22mm. Tolerance Class: Shaft t 1: Hub t 2: Normal: Close: Shaft N9: Hub Js9: Shaft & Hub P6: Nom: Tol: Nom. Single bearing supports use Type 1N. If held to these tolerances, cutting tools, material stock, and gages are generally available throughout the world. Calculator for designing shaft keys Shaft diameter d mm Shaft torque T Nm Key length L mm key width b mm key height h mm keyway depth shaft t 1 mm keyway depth hub t 2 mm shear force F s = T/ (d/2) kN shear stress key τ = F s / (L搓) MPa bearing pressure p = F s / (h/2 微) MPa Nominal torsional stress τ = T/ ( π/16搞 k3 ), d k =d-t 1 MPa Keyway size; b h c or r Standard size of b1 and b2 b1Tolerance (h9) b2 tolerance (E9) r1 and r2 t1 t2; Standard size Tolerance(h8) Standard size Tolerance(h10) Standard size Tolerance Standard size Tolerance; 4×4: 10 or more and 13 or below: 4: 0 -0. INTRODUCTION — The general practice in industry is to supply coupling hubs without fillet radii in the keyway corners to permit the use of standard commercial keys instead of keys with chamfered. If it is with the end-customer, it is of course a non-starter. The dimension from the top of the keyway to the opposite bore side, “T-dim”, is calculated from (refer to ANSI/AGMA 9002-B04) the following: T = bore + (h kw -. (there could have been a slot or a keyway). Metric keyways are dimensioned by width and depth as measured from the radius of the shaft to the center of the keyway. 5∘. DIN 6885 Keyway, key details Extract Page 1 heavy type d b P9 / JS9 Hub keyway b P9 / N9 Shaft keyway h t 1 = d + t 2 t 2 t 3 = d – t 4 t 4 6 2 2 2 7 1 +0,1 4,8 1,2. The calculator has been tested, but no guarantee can be given for the accuracy of the results. s9 width tolerance unless otherwise specified. Rectangular keys. 010 Height (d) (t) - DIM Keyway Width (w) AGMA 9002-A86 Inch Bore and ANSI B17. Non standard bores and over the keyways. To find the tool travel “Z” required for any sharp-point countersink or spot drill angle, use either of the following formulas: Z = ( D / 2 ) [ 1 / tan ( α / 2) ] or. 004″ with the below true position callout of 0. 005) Tolerance Stack-upKey stock, or bright steel, is a general term for a stock of square or rectangular bars 12 inches or longer in length from which machine keys are produced. Keyway Tolerances Inch and mm xls is worth reading The file contains 4 page s and is free to view download or print. Key & Keyway Dimensions - Millimeters. The most commonly used tolerancing system for shafts and holes is detailed in ISO 286-1 & 286-2. Double bearing supports use a Type 3N, 3L and 3K. In order to transmit rotation from the shaft to the hub of gear wheels, pulleys, sprockets, couplings, flanges and other coaxial parts, rigid and frictional joints of various types are used. Metric Key Keyway Dimensions Per ISO R773 Js9 Widt. 1 Square Keyway Tolerances . 000 / +. 1 Straightness 5-21 13. Free Download Here pdfsdocuments2 com Metric Key Keyway Dimensions Engineers Edge. Taper keys with or without gib head and their corresponding keyways. 5000 2. g. The following tables show standard dimensions for keys and their grooves. 2-1967. Referencing Figure 1, the keyway dimension is W x T 1. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches. In order to transmit rotation from the shaft to the hub of gear wheels, pulleys, sprockets, couplings, flanges and other coaxial parts, rigid and frictional joints of various types are used. For example, using the maximum/least material condition for tolerancing shafts and bores can accurately indicate the volume of parts, which offers the benefits of reducing processing costs and improving. Tolerance of ± 0. 1 Square Keyway Tolerances Minimum 2. 5 H11/g8” to specify tolerances. 068. Keyway Stresses for Non-metallic. We also have an Imperial Keyway Calculator. Uhmw Weight Calculator - Bios Pics. The last two digits give the nominal diameter B in eighths of an inch and the digits preceding the last two give the nominal width W in thirty. 5-2009 standard has defined different types of GD&T symbols in detail. The second is a P9 tolerance. The letter is the tolerance deviation, the number the tolerance grade. Wire Bundle Diameter Calculator 19 Scoop-Proof Contact Protection 20 Anatomy of a Crimp-Contact Circular Connector 21 NASA / ESA Space-Grade Outgassing Properties and Requirements 22 International Standards IP Protection Classification 23 Common Modifications to Standard MS Type Connectors 24. A shaft key is a small metallic component mounted between the shaft and hub to restrict the relative motion. 597 7/16 . This is an utterly easy means to specifically get guide by on-line. Figure 3. Parallel Metric Keys and Keyway Dimensions - Roy Mech. 8 4 4 13 17 5 2. Preview: Solid Rigid Couplings Design Calculator. GD&T Wall Chart True Position Calculator Blog GD&T Quiz Print Reading Quiz Guide to Team GD&T Training Orthographic Projection Chart Drill Tap Chart ASME Y14. As in the example above, this requires looking at part alignment and specifying tolerances referencing fit and function. Close Running fit for running on accurate machines and for. 250 +0. To broadly and briefly touch on bore and keyway standards, the North American (inch/imperial) standards tend to be more straight forward with limited variation (derived off the shaft). Shaft Key Seat Depth Control Values S and T for Shaft and Hub ANSI B17. Metric External Table Chart Thread Designations Sizes M 1. 0010. 010 inch, max is provided for offset (due to parallel displacement of keyseat centerline from centerline of shaft or bore) of keyseats in shaft and bore. Dimensions and tolerances for metric ISO thread with 60 degree flank angle are included in the DIN 13 standard. Based on the use of two types of stock, two classes of fit are given. Key stock is cold drawn to exacting tolerances with sharp corners, perpendicular and parallel. 0625-0. Bonus Tolerance Example: Let’s look at a bore of 1/4″ +/- 0. Cantilever Beam Calculation. As noted above, when selecting a keyway tolerance, there are two common selections in the metric system. , New Berlin, WI 53151-7953 USA Telephone: 262-796-4060 August 2003 Fax: 262-796-4064 e-mail: info@rexnord. 20 , Ø25 0 0 -0. 2-1978 standards. If you dimensions a keyway per iso standards. ISO and ANSI Standards. 93. . The first is Js9. 4- Some internal Grade values must be rounded down to a precision of 3 decimal metric millimeter precision. 5 of the ASME Y14. Along with keyway size tolerances and keyway depth sizes, some standards also provide information on the recommended key size and keyway depth as a function of shaft diameter. 614 Maximum. Also see Table of Hole Tolerances per. We call this shape a keyway. keyway tolerances Mechanical engineering other topics. R o c k w e l l B 8 0. 1) This Standard defines preferred tolerances for limits and fits for nonthreaded cylindrical features and defines specific sizes, fits, tolerances, and allowances for use where they are applicable. A tolerance is described using a letter followed by a number. Composite tolerances are used when we have relatively looser location requirements but tighter orientation tolerances. Preferred tolerance grade ISO 286; International Tolerance Grades British ISO Metric Screw Threads Designations. All internal calculations are done using metric millimeters. ‡ For any bore fit per table below. Page 6 of 6. The gap of the keyway is shown with tolerances again and the semi-gap is shown. These standards call for the expanded use of symbology in annotation. Imperial Standard Bore and Keyway Info Service Manuals. 0125 1. 75 to the calculated design stress if the section being considered includes a keyway. 045)+0. js9 widthTaper keys. The sunk keys are provided half in the keyway of the shaft and half in the keyway of the hub or boss of the pulley. This chapter includes requirements for soils investigation and site preparation for receiving a foundation, including the load-bearing. P9 and D10 width tolerance can be furnished on request. Keyshaft keyed shaft, diameter 1 7/16 in, keyway 3/8 in x 3/16 inKeyway parallel keyways metric t2 wxh bores Keyway keyed keyways boresGates belts, hoses, and applications: standard & non-standard shaft key. It calculates upper limit, lower limit, maximum diameter, minimum diameter and range by simply entering a basic size and selecting the desired tolerance (DIN EN ISO 286 norm). - The maximum tolerance describes the. In GD&T, Parallelism can refer to either Surface Parallelism or Axis Parallelism. The full definition of composite tolerances can be found in section 10. Related: Standard Metric Keys and Keyway Bores. dimensions. So I made it myself. Tolerances . In a metric calculation like that shown before, the ISO tolerance recommendations are appropriate for diameters and tooth thickness versus slot width. Fit Charts. 6. - Calculate the dimension for measurement of the keyseats. - Calculate the dimension for measurement of the keyseats. 6. R o c k w e l l B 8 5. Mechanical Tolerance Chart Data. A square key is used if the deeper key depth is required to transmit torque. 1 Conversion of Position (Cylindrical) Tolerance ZonesDIN 6885-1 :- Key, Hub Keyway, Shaft Keyway Details and Dimensions DIN 6885/1 :- Definition Drive Type Fastenings without Taper Action; Parallel Keys, Keyways, Deep PatternThe upper limit for the shaft = Lower limit for the hole (Basic Size) – Fundamental Deviation. Metric – Rectangular B. 0002” by 2 = . 00 deg (with an angular tolerance dependent on how you interpret the drawing) The location of the center of the bolt circle: x = 4. Alex Holton walks through how to run a tolerance analysis and stack-up. info. Fits and tolerance calculator for shaft and hole tolerance calculation according to ISO 286-1 and ANSI B4. The letter is the tolerance deviation, the number the tolerance grade. 1 Class 2 standards for dimensions and tolerances. For combined stresses, as discussed in Section 10. 2-1967. Lock nuts requiring a keyway . 2388 State Route 726 Eaton, Ohio 45320 (937) 456-2232 Fax (937) 456-2282 [email protected], is a tolerance that controls the central derived median points of the referenced feature, to a datum axis. It does not control the angle of the referenced feature. . To use this calculator, input your Torque, Shaft Diameter and Key Length values. com Bushing chart weight bushings steel npt Metric keyway tolerance chart. It covers the principles of bearing selection, the bearing interfaces, the tolerances and resultant fits, and the lubrication and sealing systems. Definition of Parallelism. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. 1-1967 (R2013) standards. 459 Maximum 3. The Woodruff Key numbers indicate normal key dimensions. Run Keyway & Tolerances Calculator on PC with LDPlayer. 10. N = Number of splines. S. - Calculate the dimension for programming the depth of the keyseats. I've made my best efforts to make the interface as clear and intuitive as possible, and the app as lightweight and fast. This is a ± band clearance where the value of the tolerance is equally oversized or undersized. In the example, the upper limit (largest value) for the part is 4. Mm Shaft Diameter Groove dimensions for woodruff keys DIN 6888. Detailed width tolerance information is best drawn from the manufacturer. Refer to the Factory for larger coupling sizes. All dimensions are in inches. To calculate addendum and dedendum, the formulas either from the ANSI or the ISO standard can be used. Motors and gearboxes that generate high torque and acceleration may make shaft keys obsolete. 000. Fits and tolerance calculator for shaft and hole tolerance calculation according to ISO 286-1 and ANSI B4. Fits and tolerance calculator for shaft and hole tolerance calculation according to ISO 286-1 and ANSI B4. 025mm) interference fit. 1 Tolerance Table provides a suitable range from which appropriate tolerance for holes and shaft can be selected. 1-1967, ASME standard B17. Minimum keyseat width is that figure permitting the largest shaft. 19-1997. (Dimensions comply with DIN 6885/1) †† Requires use of chamfered keys. Cantilever Beam Calculation. pdf. find tolerance ITn in table to fit the min and max limits : 2*ITn < ∆MAX −∆min ITnapplied to shaft and bore c= ITn (and a-b = ITn) worst combination of shaft and bore give the conditions : C1 : satisfy ∆ < ∆MAX a ≤ ∆MAX C2 : satisfy ∆min < ∆ b ≥ c + ∆min = ITn+ ∆min A4 : find if a fit that can satisfy C1 and C2 :2. Keyway Chart. Whereas the P9 tolerance is a press fit tolerance. 252, the bonus tolerance is 0. Rotary Shafts - Both Ends Tapped. Shaft Keyway Shear and Yield Strength Requirements Formula and Calculator. 342 Minimum 3. 095 . Z = depth of tool travel required from surface of part. 13. The following Engineering calculator will show the plus and minus tolerance for the specific ISO 286 Shaft tolerance data. 0010". 0. - Show the tolerances based on ANSI/ASME B17. D. Limits of Size For Unilateral Limits, a case may occur when one of the limits coincides with the basic size, e. nironental Connectors F-4 AR C • AR A • DA CA -4 • -4- • FA --© 2009 Glenair, Inc. 3 Kilspårstyper 3 Keyway types Kilspårets längd L (med tolerans H13) skall vara lika med kilens nominella längd L. Easily calculate the values required to cut keyseats and keyways. Two (2) inputs are required, See the application illustration at bottom of page. So I made it myself. 1890 0. 0005-. ISO Hardware Specifications Table. But at a bare minimum, plan on oversizing the hole 0. All dimensions are given in inches. The difference is that the one on the right has a secondary datum feature with a material boundary modifier. Standard woodruff keysMetric key keyway dimensions Metric key keyway dimensionsKeys shaft rectangular types key chart hub designs tapered machine selection. It does not control the angle of the referenced feature. Support. Keyway Cutter Hole Keyway Dimensional Data for MIlling Centers and Arbors - ANSI/ASME B94. CHAIN LENGTH CALCULATION SPEED RATIOS SPROCKET DIAMETERS HORSEPOWER RATINGS. The code also applies a factor of 0. The key length should be less than 1. Decrease Cycle Times and Increase Shop Efficiency. Chain Length Calculation Speed Ratios Sprocket Diameters. Bonus Tolerance Example: Let’s look at a bore of 1/4″ +/- 0. Check out this Dowel Pin Slip Fit Tolerance Chart for further consideration on slip fit tolerances. 2. 5:1) the engine needs to turn 1. keyways - FrankTools - Free - Mobile App for AndroidKeyway Tolerance Chart PDF documents docucu archive com Standard Bore and Keyway Tolerances Inch and mm May 9th, 2018 - Square Keyway Tolerances 3 8 3750 7 16 4375 Page 1 of 6 PFEIFER INDUSTRIES LLC 2180 Corporate. 005" up to 1/4 and 0. Keyway Bore Diameter Size Bore Reference -0. Cylindricity, which regulates the deviation from the geometrically perfect cylinder, is measured using a roundness measuring instrument or a coordinate measuring machine. 0. 7530 3. 2. If any can be found, then determine where the issue would first be identified. 0005 / -. The ANSI B4. fits and tolerance calculator iso system amesweb web iso 286 establishes a system for tolerances to be. Motors and gearboxes that generate high torque and acceleration may make shaft keys obsolete. The commonEngineering Fits. 0 2 2 9 10 3 1. ISO 286 Chart Calculator. L e The effective length of the key = 70-2*4 = 62mm = x (calculated above = 2,94mm, x 1 (Calculated above = 3,26mm. lilbat76 • 4 hr. The letter designation in the code H7 establishes how far away the maximum shaft or minimum bore tolerance is from the nominal dimension. All hubs supplied standard with one set screw. w / 3 = d / 6 where. Shallow keyway depths must exceed 2/3 of the full keyway depth of the square keys shown above. Technical. Tolerances interference tolerance clearance bushing misumi bearings mmt observatoryPress fit tolerance calculator D11 chart calculatorBushing installation &. The full definition of composite tolerances can be found in section 10. The bolt hole pattern: 6 x 60. download any of our books once this one. - Series EL couplings supplied with Calculates parameters of the compression member (column) for different end conditions and loading types. To secure the hub and shaft and stop relative movement between a power transmitting shaft and an attached component, a key and the keyway combine to form a keyed joint. - Show the tolerances based on ANSI/ASME B17. The ANSI B4. The Position tolerance is the GD&T symbol and tolerance of location. 4 Coupling Interchange Chart Gear Couplings QUICK FLEX® with black insert high-speed split cover Part # Torque Nm Max Bore mm Part # Torque Nm Max Bore mm 101 1,140 44 QF25 1,407 50 101-1/4 1,756 47 QF50 2,992 60P9 Tolerance Keyway Broaches Metric Hassay Savage. 10 Buy. There are several pros and cons of this method. Keyway dimensions and tolerances listed in Table 5 were specified according to ISO/R773 (Normal Fit). (Ver. R =. Keyway broaching on CNC lathes offers several advantages over traditional broaching machines: Flexibility: Indexable inserts allow for a great. 005, y = 3. Metric Key Keyway Dimensions. Tolerance each on T1 and T2 is -. Don’t miss this article on the basics of “Geometric. 2. If a press fit is necessary, never exceed . 26 Calculation Using Sine Bars 27 Measuring Tapers with Vee–block and Sine Bar 28 Constants for Setting Sine Bar 35 Measurement of Angles and Tapers 35 Rules for Figuring Tapers 36 Tapers per Foot and Corresponding Angles 38 Gage Block Sets - Inch Sizes 38 Measuring Dovetail Slides6. 4 18 11 66 75 20 4. The standard dimensioning of the keyway is like above. ISO Tolerance zone Calculator Theoretical Machinist. Fillet radii comply with AGMA 9002-A86. The first is Js9. Feb 2, 2023. Rotary Shafts - Both Ends Tapped. Mm Shaft Diameter Groove dimensions for woodruff keys DIN 6888. 5 times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. Shaft tolerance for diameters not defined by ISO 286-2. In other words, a gage may not accept a bad part, but it can reject a marginally good part. - The maximum tolerance describes the. Metric – Rectangular B. The first is Js9. Clearance Fit Bore Tol. The following tables report the preferred metric fits and tolerances for hole and shaft basis systems given by the ISO 286-1 (2010) and ANSI B4. 1. The advantage of the Js9 tolerance is that the key can be inserted and theSquare Keyway Tolerances Page 1 of 4. com Web site: (t) - DIM Keyway Bore (inches) Reference Height (d)Straight-sided splines for cylindrical shafts with internal centering — Dimensions, tolerances and verification. 1-1967, ASME standard B17. They conform to ANSI B17. If needed, also input the gear cutting tool's tip rounding radius coefficient. The semi-circular recess or pocket is known as the woodruff keyway. 65) Nominal dimension Tolerance Zones over to U7 S7 R7 P7 P9 N7 N9 M7 K7 J7 JS9 H7 H8 H11 G7 F7 F8 E8 E9 D10 deviations in µm 1 3 -18 -14 -10 -6 -6 -4 -4 -2 0 +4 +12. Membership Services. clearance fit bores with set screws. Length = 0 mm. Inch (ANSI/AGMA 9002-B4) Metric (ISO/R773) Keyway Bore Diameter Size Bore Reference -0. . 5555 S. ‡ For any bore fit per table below. Keyway Js9 Tolerance Chart 173 255 205 43. - Show the tolerances based on ANSI/ASME B17. Select the Woodruff Cutter from the tool menu (Note: Keyseat cutters are referred to as Woodruff cutters for feeds and speeds): Calculator for designing shaft keys Shaft diameter d mm Shaft torque T Nm Key length L mm key width b mm key height h mm keyway depth shaft t 1 mm keyway depth hub t 2. 002″ The MMC is 0. Shaft /Hub/keyway material (BS EN 10083 C45 normalised. DIN 7172 - Tolerances and limit deviations for sizes above 3150 mm up to 10000 mm;. 4. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys. 1 Standard. 350 Maximum 2. For interference fit with setscrew over keyway, see Table 2. Large multiple splines are usually broached by single- spline or keyway broach, shimming between the passes till full depth is reached. Key Size. Surface Finish — Sides and bottom of keyways shall not exceed 250 micro inches. 1250: 0. This key stock is stepped to match repaired keyways in shafts or gears. In the case of machining circular tool paths, the path of the end mill’s centerline is circular. 4375 1. 3750. PREFERRED FITS AND TOLERANCES CHARTS (ISO & ANSI METRIC STANDARDS) Preferred fits and tolerance table for hole and shaft basis systems which are given in ISO 286-1 (2010) and ANSI B4. 093 / . Key stock and bar stock are frequently used interchangeably, however there is a difference. 2180 Corporate Lane, Suite 104 ~ Naperville, IL 60563 USA Phone (630) 596-9000 Fax (630) 596-9002 E-mail: [email protected] times the shaft diameter to ensure a good load distribution over the entire key length when the shaft loaded in torsion. This enables the use of standard gages. Two PDFs with useful engineering data on keyway sizes and engineering limits and fits, just download. 5000 2. Design of Square Key and Keyway (Wood Ruff) Stress, Shear and Torque. 0010. The hub keyway is dimensioned by its width and depth on the shaft – keyway sides. Keyway lengths should be less than 1. 010. Select the Woodruff Cutter from the tool menu (Note: Keyseat cutters are referred to as Woodruff cutters for feeds and speeds):Example: Using the taper calculator. Updated on. 8 14 9 51 58 16 4. 5: 4 +0. Truss Calculator. This handout will focus on the standards of annotation for fasteners, and hole callouts (local notes). Fit Charts. 3- Special case for M6 from 250mm to 315mm tolerance. This stress can be derived from the torsion formula: τ max = T D o / 2 J. From the right side of the shaft total diameter is given with tolerances. True position, which is a specification concerning the accuracy of the position in relation to the datum, is measured using a function gauge or a coordinate measuring machine. Shed Design. Face Width - Face width is limited in its maximum dimension to allow proper. Our Online Calculator streamlines this process and provides a detailed final result immediately. 24+ keyway depth calculator. The first provides the charts for the fundamental deviations (G, j, etc. 30. 1, the Metric key size is W x T. 96 mm Tolerance = 0. 477 Maximum 2. 5 1 6 2, 6 2 2 2 4 3 3 3. CAGE Code 06324 Printed in U. 30302 is a webpage that provides comprehensive guidance on how to select, install and maintain rolling bearings for various applications. 5 Pin and Ring Gauges ; ISO Tolerances For Fasteners ; Gauge Blocks Tolerances Specifications Table DIN 861 ; General Tolerances Shaft - Holes Fits ; GD&T Geometric Dimensioning Tolerancing Basics Training ; GD&T Geometric Dimensioning Tolerancing Intermediate Training ; GDT ASME Y14. Download. Wind Load Calculator. keyways available upon request. What is Table 1 in keyway tolerance? Table 1 details the appropriate key slot and key sizes for various metric bores. Nominal Shaft Diam. Take taper angle as 80. Metric Standard Parallel Keyway and Key Sizes Shaft Diameter (mm) Keyway (mm) Key (mm)* From To Width (W) Depth (h) Width (W) Depth (T) 6 8 2 1. On the industry standard gagemaker chart, . 4. Keyway is a recess in the shaft and hub to accommodate the shaft key. The shear stress in the shaft is calculated as. Article. Cold Formed Steel. STANDARD KEYWAY and SET SCREW DIMENSIONS INCHES SHAFT. Machining Tolerances Calculator - Technical Help. 0015 inches to get a clearance fit. Using the minimum diameter of the hole as the. 1. 587 / 2. To use this calculator, input your Torque, Shaft Diameter and Key Length values. Temp. -ail: salesglenaircoNSI Shaft and Hub Keyseat Dimensions for Woodruff Keys per. Find the depths to cut in keyway and keyseat. Our Online Calculator streamlines this process and provides a detailed final result immediately. TOLERANCES ISO metaux detail com. while the metric options tend to be much more diverse (and were. Check Details. WIDTH. 010: depending on key size but I forget where it breaks. . The lower Limit for the shaft = 39. Standard Bore and Keyway Tolerances Inch and mm. infra. Unless otherwise specified, the shaft keyway is assumed to be standard. 2) Dimension h of the taper key names the largest height of the key, and dimension t z largest depth of the hub keyway. His claiming that if his going with the standard dimensions and tolerances (0. Tolerance each on T1 and T2 is -. Keyway Dimensions Key Dimensions The inch and metric dimensions here correspond to common values. KeyWay /Key Dimensions. 000 1 1/16" to 2" + . 1 -0. P9. 312 / 2. A list of standard keyway and corresponding key sizes for English shafts are listed below in Table 1. 1. 7505. Share. 7500 3. Hub keyway depth is one-half the nominal height of the key and measured from the side corner.