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

Key No. 1210

Key No. 1210: 3/8 × 1-1/4 in disc segment (9.52 mm thick, 31.75 mm diameter), height 13.89 mm (= radius minus the 5/64 in flat offset), chord 31.50 mm; nominal values, no edge breaks

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

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Dimensions

key no.1210
nominal W × B, in3/8 × 1-1/4
key length F, in1.240
height C max / min, in0.547 / 0.542
height D max / min, in0.537 / 0.531
flat below centre E, in5/64
shaft seat width A min – max, in0.3735 – 0.3755
shaft seat depth B, in0.3545
cutter diameter F min – max, in1.250 – 1.273
key above shaft C, in0.1875
hub seat width D, in0.3760
hub seat depth E, in0.1935
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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)?

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