Maximum Torque for Seelskrews® & Seelbolts®

The suggested torque values shown are based on a dry non-lubricated thread surface. Lubricated fasteners require less torque than shown on this table.

Material: 18-8SS (Stainless Steel)

Thread Size	Inch Pounds	Thread Size	Inch Pounds
2-56	2.5	5/16-18	132
2-64	3.0	5/16-24	142
3-48	3.9	3/8-16	236
3-56	4.4	3/8-24	259
4-40	5.2	7/16-14	376
4-48	6.6	7/16-20	400
5-40	7.7	1/2-13	517
5-44	9.4	1/2-20	541
6-32	9.6	9/16-12	682
6-40	12.1	9/16-18	752
8-32	19.8	5/8-11	1110
8-36	22.0	5/8-18	1244
10-24	22.8	3/4-10	1530
10-32	31.7	3/4-16	1490
1/4-20	75.2	7/8-9	2328
1/4-28	94.0	7/8-14	2318

About APM's Sealing Boots Division:
The Electronics Division of APM HEXSEAL develops and manufactures environmental protection sealing components for controls that are mounted on switches, potentiometers, encoders, and circuit breakers. Using advanced elastomer molding technology, a broad range of sealing boots are produced to match most controls manufactures’ standard part numbers. Most are IP66/68 ingress protection rated and UL recognized.

About APM's Self-Sealing Fastener Division:
The APM line of high-pressure, reusable, self-sealing fasteners includes self-sealing screws, self-sealing locking nuts, self-sealing locking bolts, self-sealing rivets, and self-sealing washers all designed to seal in/out air, water, lubricants and other liquid or gaseous contaminants.

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HEXSEAL®, SEELSKREW®. SEELBOLT®, SEELNUT®, SEELRIVET®, SEELOC® are registered trademarks of APM Corp.

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