HL64 at a glance

Specification

Item	Value
Type	Hi-Lok pin, protruding tension head, 1/64 oversize
Material	Alloy steel
Strength	160,000-180,000 psi tensile
Status	Check the current issue before design use.

Dimension, in	10-32-UNJF-3A Modified	1/4-28UNJF-3A Modified
Nominal diameter	13/64	17/64
A — Head diameter (max / min)	.377 – .357	.440 – .415
B — Ref. (see drawing)	.325	.395
D — Shank diameter (max / min)	.2026 – .2016	.2651 – .2641
TD — Threaded-end diameter (max / min)	.1840 – .1810	.2440 – .2410
G — G, ref.	.035	.045
H — H (max / min, see drawing)	.074 – .064	.090 – .077
Thread	10-32-UNJF-3A Modified	1/4-28UNJF-3A Modified
Double shear, lb min	6,130	10,490
Tension, lb min	3,180	5,820

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.

13/6413 part numbers

17/6413 part numbers

Part	Meaning
Format	HL64PB<dash>
Example	HL64PB6-2 — 13/64 nominal diameter, max grip 1/8 in

The -5 size is not listed for this oversize pin: the catalogue says use HL20PB6.
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: HL75, HL87.

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HL64 — Hi-Lok Pin, Protruding Tension Head, 1/64 Oversize for HL20, Alloy Steel — nominal sizes and part numbers.