RoyMech Resources Keyways BS 46 :1958 Square Keys and Keyway Dimensions These Pages include various standards. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use.

Key Dimensions. The inch and metric dimensions here correspond to common values. Detailed width tolerance information is best drawn from the manufacturer. Inch (ANSI/AGMA 9002-B4)

Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance. Where: T = D + T2. Related: Link to this Webpage.

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 1.0 2 2 9 10 3 1.4 3 3 11 12 4 1.8 4 4 13 17 5 2.3 5 5 18 22 6 2.8 6 6 23 30 8 3.3 8 7 31 38 10 3.3 10 8 39 44 12 3.3 12 8 45 50 14 3.8 14 9 51 58 16 4.3 16 10 59 65 18 4.4 18 11 66 75 20 4.9 20 12 76 86 ...

BS 46 Square Keys and keyway Dimensions Ref. Standard ..British Standard :BS 46 Part 1 : 1958 Keys and keyways and taper pins. Specification. Keys and keyways BS 46 Part 1 : 1958 Square Keys and keyway Dimensions all dimensions in inches. Shaft Diameter: Width

British Standard Metric Keyways for Square and Rectangular Parallel Keys 11 5/16 3/8 7/16 1/2 3/4 3/4 7/8 Nominal Diameter, d 6 1/2 7 1/2 9 Square Keys preferred for shaft diameters above this line: rectangular keys, below Key ... Nominal Shaft Diameter Nominal Key Size Normal Keyseat Depth Over Up to and Incl. Over Width, W Height, H Size, bxh ...

The following tables show standard dimensions for keys and their grooves.

KeyWay /Key Dimensions. keyways /keys dimension in accordance with BS 4235-1:1972: Specification for metric keys and keyways - Parallel and taper keys

RoyMech Resources Keyways Taper Square Metric Key and Keyway Dimensions These Pages include various standards. To confirm the status of any standard, identify the replacement standard if it is obsolete and/or purchase the standard please use.

Dimensional standards for “shallow key” sizes do not exist, so manufacturers generally furnish these special keys with their pulleys or bushings. In larger plain bore style pulleys, a keyway must be machined into the bore with the correct tolerances.