Library › Hardware › Heat-set threaded inserts, inch: #2-56 to 3/8-16 and G1/8

1/4-20 × 6.4 short insert

1/4-20 × 6.4 short insert: Ø8.7 knurl, 6.4 long; print hole Ø8.1 × ≥7.4, wall ≥ 3.3

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

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Dimensions

thread1/4-20
variantshort
length_mm6.4
insert_od_mm8.7
hole_mm8.1
min_hole_depth_mm7.4
min_wall_mm3.3
min_boss_od_mm14.7
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From the full sheet

Heat-set threaded inserts, inch: #2-56 to 3/8-16 and G1/8 (CNC Kitchen sizes): every size, notes, mating features and sources. What hole size does a 1/4-20 heat-set insert need?

Other sizes