HL23 at a glance

Specification

Item	Value
Type	Hi-Lok pin, 100° flush shear head, aluminum
Material	Aluminum alloy (7075-T6 per the catalogue quick-reference chart)
Strength	45,000 psi shear strength
Status	Check the current issue before design use.

Dimension, in	8-32UNJC-3A Modified	10-32-UNJF-3A Modified
Nominal diameter	5/32	3/16
A — Head diameter (max / min)	.2922 – .2874	.3536 – .3486
B — Ref. (see drawing)	.312	.325
D — Shank diameter (max / min)	.1635 – .1625	.1895 – .1885
TD — Threaded-end diameter (max / min)	.1595 – .1570	.1840 – .1810
H — H (max / min, see drawing)	.0540 – .0520	.0688 – .0667
Thread	8-32UNJC-3A Modified	10-32-UNJF-3A Modified
Double shear, lb min	1,700	2,540
Tension, lb min	860	1,150

Dimensions as tabulated in the catalogue, by first dash number (nominal diameter). Max – min where a tolerance is shown.

Every part number, grouped by nominal diameter; the number after the second dash is the max grip in 1/16 in.

5/329 part numbers

Part	Meaning
Format	HL23-<dash>
Example	HL23-5-2 — 5/32 nominal diameter, max grip 1/8 in

1/16 in grip variation.
Approved data governs. Use the pin the drawing, SRM or IPC calls for.
Grip: the number after the second dash is the max grip in 1/16 in (dash -2 = 1/8 in, -3 = 3/16 in, and so on). Maximum-minimum values are shown as max – min.
Collars listed for this pin in the catalogue quick-reference chart: HL77.
The 3/16 nominal diameter (first dash -6) part numbers are not listed: the source column reprints the -5 numbers, so the grip table covers -5 only.

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HL23 — Hi-Lok Pin, 100° Flush Shear Head, Aluminum Alloy — nominal sizes and part numbers.