Library › Hardware › Woodruff keys, inch (ANSI B17.2): key numbers #202 to #1212, key…

Key No. 305

Key No. 305: 3/32 × 5/8 in disc segment (2.38 mm thick, 15.88 mm diameter), height 6.35 mm (= radius minus the 1/16 in flat offset), chord 15.55 mm; nominal values, no edge breaks

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

key no.	305
nominal W × B, in	3/32 × 5/8
key length F, in	0.612
height C max / min, in	0.250 / 0.245
height D max / min, in	0.240 / 0.234
flat below centre E, in	1/16
shaft seat width A min – max, in	0.0928 – 0.0943
shaft seat depth B, in	0.1981
cutter diameter F min – max, in	0.625 – 0.643
key above shaft C, in	0.0469
hub seat width D, in	0.0948
hub seat depth E, in	0.0529

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From the full sheet

Woodruff keys, inch (ANSI B17.2): key numbers #202 to #1212, key sizes and keyseat depths: every size, notes, mating features and sources. What are the dimensions of a Woodruff key (#404, #606, #1212) and the keyseat depth in the shaft and hub (ANSI B17.2)?

Key No. 305

Dimensions

From the full sheet

Other sizes