http://www.roymech.co.uk/Useful_Tables/Keyways/keyways.htm keyways /keys dimension in accordance with BS 4235-1:1972: Specification for 

and tolerances for parallel keys and keyways. !. Types - The keys shall be of the following types: Type A -. Keys with both ends round.

Size. Shaft Dia. 3/8 .375 / .376 .093 / .095 .432 / .442. 2-5/16 2.312 / 2.314 .625 / .628 2.587 / 2.597. 7/16 .437 / .438 .093 / .095 .493 / .503.

JAPANESE INDUSTRIAL STANDARD. JIS B 1301: 1996. Keys and their corresponding keyways. Error. Page 10. In Attached Table 4, when the Nominal dimension of key 

Shaft Keyseats/Hub Keyways. Standard Keyseats/Keyways. H234567889. "Groove dimensions for woodruff keys DIN 6888 in accordance with DIN 6885 Sheet 1 (with 

2362 KEYS AND KEYWAYS 00 8 oo 6 x O O o x xo 6 O 00 o 00 C 00 O S 6 O 00 . KEYS AND KEYSEATS 00 00 so 2355 00 88 00 co CO o x 00 co X O x x

30 rows · Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width Tolerance Table CHart. Membership Services Metric Key Keyway Dimensions Per ISO/R773 - Js9 Width

clearance fit bores with set screws. 3) Keyway fillet radius to be specified by customer. - Series F couplings supplied with 4) All dimensions per AGMA 9002-A86 interference fit bores without set screws commercial standards. Non standard bores and over the keyways. keyways available upon request. - Series EL couplings supplied with

STANDARD KEYSEAT DIMENSIONS. A, B +0.000 -0.015, C +0.002 -0.000, D. NOMINAL SHAFT DIAMETER, BOTTOM OF SHAFT TO BOTTOM OF KEYWAY, WIDTH, REFERENCE DEPTH.

ANSI-B17.1 Size Shaft Dia. Size Shaft Dia. 3/8 .375 / .376 .093 / .095 .432 / .442 2-5/16 2.312 / 2.314 .625 / .628 2.587 / 2.597 7/16 .437 / .438 .093 / .095 .493

In October’s column, I mentioned the typical tolerance for key-ways. Table 1 details the appropriate key slot and key sizes for various metric bores. Please note that the key sizes in parentheses are older sizes that are no longer commonly used. As noted above, when selecting a keyway tolerance, there are two common selections in the metric