Flexloc® light hex thin height lock nuts

**FlexLoc® Light Hex Thin Height Lock Nuts - SPS**
Nominal Size or Basic Major Thread Diameter	F	B	G	H	P	I	Tensile Strength (psi)
Width Across Flats	Bearing Surface O.D.	Width Across Corners	Thickness	Bearing Surface I.D.	Side Height	Course Thread	Fine Thread
Max	Min	Min	Min	Max	Max	Min	Min	Min
6	.138	.313	.305	.305	.347	.141	.181	.036	1,270	1,420
8	.164	.345	.336	.336	.383	.188	.208	.070	1,960	2,060
10	.190	.376	.367	.367	.419	.188	.230	.065	2,340	2,800
1/4	.250	.439	.430	.430	.491	.219	.293	.075	4,450	5,090
5/16	.3125	.502	.492	.492	.561	.266	.356	.097	4,980	5,510
3/8	.375	.564	.553	.553	.631	.282	.418	.108	7,360	8,340
7/16	.4375	.627	.616	.616	.703	.328	.487	.138	10,100	11,300
7/16	.4375	.690	.679	.679	.775	.328	.487	.120	-	11,300
1/2	.500	.752	.741	.741	.846	.328	.551	.121	11,400	12,800
5/8	.625	.940	.928	.928	1.059	.399	.676	.147	18,100	20,500
3/4	.750	1.064	1.052	1.052	1.200	.415	.807	.155	26,800	29,800
7/8	.875	1.252	1.239	1.239	1.414	.477	.938	.166	36,940	40,800
1	1.000	1.440	1.427	1.427	1.628	.571	1.064	.218	48,500	53,000
FlexLoc® is a registered trademark of SPS Technologies, Inc. Our stop nuts are not manufactured by or connected with the producers of FlexLoc® nuts.

FlexLoc® Light Hex Thin Height Lock Nuts - SPS

Nominal Size or
Basic Major
Thread Diameter

Tensile Strength
(psi)

Width
Across Flats

Bearing
Surface
O.D.

Width
Across
Corners

Thickness

Bearing
Surface
I.D.

Side
Height

Course
Thread

Fine
Thread

Max

Min

Max

Min

.138

.313

.305

.347

.141

.181

.036

1,270

1,420

.164

.345

.336

.383

.188

.208

.070

1,960

2,060

.190

.376

.367

.419

.188

.230

.065

2,340

2,800

1/4

.250

.439

.430

.491

.219

.293

.075

4,450

5,090

5/16

.3125

.502

.492

.561

.266

.356

.097

4,980

5,510

3/8

.375

.564

.553

.631

.282

.418

.108

7,360

8,340

7/16

.4375

.627

.616

.703

.328

.487

.138

10,100

11,300

7/16

.4375

.690

.679

.775

.328

.487

.120

11,300

1/2

.500

.752

.741

.846

.328

.551

.121

11,400

12,800

5/8

.625

.940

.928

1.059

.399

.676

.147

18,100

20,500

3/4

.750

1.064

1.052

1.200

.415

.807

.155

26,800

29,800

7/8

.875

1.252

1.239

1.414

.477

.938

.166

36,940

40,800

1.000

1.440

1.427

1.628

.571

1.064

.218

48,500

53,000

FlexLoc® is a registered trademark of SPS Technologies, Inc.
Our stop nuts are not manufactured by or connected with the producers of FlexLoc® nuts.

**FlexLoc® Light Hex Thin Height Lock Nuts Properties**
Description	An all metal, one piece, hex shaped lock nut with a round collar at it back end. The collar is segmented with opposed slots cut into it above each corner of the nut. When the screw or bolt reaches the collar, the slotted portion expands creating the torque locking action. The thin height variety is approximately 30% shorter than the full height nut.
Applications & Advantages	The thin height light hex lock nut is used when an insufficient number of projectin threads are present to use a full height nut. FlexLoc® nuts maintain their locking strength through 15 removals and re-applications, and at temperatures up to 550°F (450°F if zinc or cadmium plated). They have superior resistance to vibration compared to all the other lock nut varieties and do not gall threads.
Material	Carbon steel
Plating	Plain unless specified. Usually supplied as zinc, zinc yellow, or cadmium finish. See plating page for more information.

FlexLoc® Light Hex Thin Height Lock Nuts Properties

Description

An all metal, one piece, hex shaped lock nut with a round collar at it back end. The collar is segmented with opposed slots cut into it above each corner of the nut. When the screw or bolt reaches the collar, the slotted portion expands creating the torque locking action. The thin height variety is approximately 30% shorter than the full height nut.

Applications
& Advantages

The thin height light hex lock nut is used when an insufficient number of projectin threads are present to use a full height nut. FlexLoc® nuts maintain their locking strength through 15 removals and re-applications, and at temperatures up to 550°F (450°F if zinc or cadmium plated). They have superior resistance to vibration compared to all the other lock nut varieties and do not gall threads.

Material

Carbon steel

Plating

Plain unless specified. Usually supplied as zinc, zinc yellow, or cadmium finish.
See plating page for more information.

For a more comprehensive list of lock nuts check out our Nuts List

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Smith Fastener Company, A California Corporation - 3613 East Florence Avenue, Bell, California, 90201 - Phone: ( 323 ) 587-0382 and ( 800 ) 764-8488 - FAX: ( 323 ) 587-8712 - E-mail: sales@smithfast.com - Copyright © 2004 by Smith Fastener Company - Please report website problems to: WebMaster - Last updated: November 9th, 2004
http://www.smithfast.com/flexlocLHTHlocknuts.html

See also:
FlexLoc® Light Hex Full Height	FlexLoc® Heavy Hex Full Height	FlexLoc® Heavy Hex Thin Height