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

Key No. 807

Key No. 807: 1/4 × 7/8 in disc segment (6.35 mm thick, 22.22 mm diameter), height 9.52 mm (= radius minus the 1/16 in flat offset), chord 22.00 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.	807
nominal W × B, in	1/4 × 7/8
key length F, in	0.866
height C max / min, in	0.375 / 0.370
height D max / min, in	0.365 / 0.359
flat below centre E, in	1/16
shaft seat width A min – max, in	0.2487 – 0.2505
shaft seat depth B, in	0.2450
cutter diameter F min – max, in	0.875 – 0.895
key above shaft C, in	0.1250
hub seat width D, in	0.2510
hub seat depth E, in	0.1310

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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. 807

Dimensions

From the full sheet

Other sizes