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

Key No. 203

Key No. 203: 1/16 × 3/8 in disc segment (1.59 mm thick, 9.52 mm diameter), height 4.37 mm (= radius minus the 1/64 in flat offset), chord 9.49 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.203
nominal W × B, in1/16 × 3/8
key length F, in0.374
height C max / min, in0.172 / 0.167
height D max / min, in0.172 / 0.167
flat below centre E, in1/64
shaft seat width A min – max, in0.0615 – 0.0630
shaft seat depth B, in0.1358
cutter diameter F min – max, in0.375 – 0.393
key above shaft C, in0.0312
hub seat width D, in0.0635
hub seat depth E, in0.0372
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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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