HL75 at a glance

Specification

Item	Value
Type	Hi-Lok collar assembly, self-aligning, tension
Material	303 stainless steel
Strength	Tension application
Status	Check the current issue before design use.

Dimension, in	8-32UNJC-3B	10-32UNJF-3B	1/4-28UNJF-3B	5/16-24UNJF-3B
Pin nominal diameter	5/32	3/16	1/4	5/16
A — Collar diameter (max / min)	.365 – .355	.365 – .355	.475 – .465	.620 – .610
B — Bore diameter (max / min)	.095 – .085	.095 – .085	.120 – .110	.130 – .120
L — Length	.457 – .427	.457 – .427	.552 – .522	.672 – .642
Thread	8-32UNJC-3B	10-32UNJF-3B	1/4-28UNJF-3B	5/16-24UNJF-3B
Collar UTS, lb min	2,300	2,750	5,000	8,300
Torque-off, in-lb	30-40	40-50	115-130	200-250

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

Every collar dash number listed, by pin diameter.

Part	Meaning
Format	HL75-<dash>
Example	HL75-5A — 5/32 nominal pin diameter

The catalogue also lists HL75-5AW (collar/washer combination) and HL75-6W and HL75-8W (washer only); no dimensions are given for them.
Self-aligning collar assembly with a washer; the collar has a prevailing-torque locking feature.
Max – min values shown as max – min. Approved data governs.
Pins this collar is listed for in the catalogue: HL20, HL21, HL48, HL64, HL65.

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HL75 — Hi-Lok Collar Assembly, Self-Aligning, Tension, 303 Stainless Steel — nominal sizes and part numbers.