Library › Hardware › Tee nuts (T-nuts) for wood, 3 and 4 prong, 4-40 to 3/8-16: barrel…

tee-nut-hole-gauge-13-64-to-29-64in

hole gauge plate, 117.0 × 19.5 × 3 mm, nine holes at the published tee-nut drill sizes 13/64, 7/32, 1/4, 5/16, 3/8, 25/64, 13/32, 27/64, 29/64 in (5.16 to 11.51 mm), smallest first, 4 mm between hole edges and 4 mm of plate round the largest hole; plate thickness and spacing are Xem choices

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

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

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From the full sheet

Tee nuts (T-nuts) for wood, 3 and 4 prong, 4-40 to 3/8-16: barrel, flange, prong height, drill size + hole gauge: every size, notes, mating features and sources. What size hole for a 1/4-20 tee nut, and what are the barrel diameter, flange diameter and prong height?