Library › Hardware › Hex nuts, inch: #4-40 to 3/4-10

1/4-20 finished hex nut

1/4-20 finished hex nut: 0.4375 in AF × 0.2188 in

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

thread1/4-20
af_in0.4375
thickness_in0.2188
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From the full sheet

Hex nuts, inch: #4-40 to 3/4-10 (ASME B18.2.2): every size, notes, mating features and sources. What size is a 5/16-18 nut?

Other sizes