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

5/16-18 × 12.7 standard insert

5/16-18 × 12.7 standard insert: Ø10.2 knurl, 12.7 long; print hole Ø9.7 × ≥13.7, wall ≥ 4.5

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

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Dimensions

thread5/16-18
variantstandard
length_mm12.7
insert_od_mm10.2
hole_mm9.7
min_hole_depth_mm13.7
min_wall_mm4.5
min_boss_od_mm18.7
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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