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External Tooth Lock Washer, Plated

Low carbon external tooth lock washers are used under bolt heads or nuts to increase the hold of the fastener. External tooth lock washers have teeth on the outer dimension of the washer creating a ratchet action by biting into the nut or screw head and the surface it contacts. Dimensional specifications are governed by ASME B18.21.1. Available in zinc plated finish. Zinc plating sacrifices itself, corroding before the base material, offering added corrosion resistance.

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Governing Standards
Dimensional Specifications

Dimensional Specifications

Dimensional SpecificationsExternal Tooth Lock Washer

Per ASME B18.21.1-2009
Size	Nominal	A		B		C
		Inside Diameter		Outside Diameter		Mean Section Thickness
		Max	Min	Max	Min	Max	Min
#3	0.0990	0.1090	0.1020	0.2350	0.2200	0.0160	0.0100
#4	0.1120	0.1230	0.1150	0.2600	0.2450	0.0180	0.0120
#5	0.1250	0.1360	0.1290	0.2850	0.2700	0.0200	0.0140
#6	0.1380	0.1500	0.1410	0.3200	0.3050	0.0220	0.0160
#8	0.1640	0.1760	0.1680	0.3810	0.3650	0.0230	0.0180
#10	0.1900	0.2040	0.1950	0.4100	0.3950	0.0240	0.0180
#12	0.2160	0.2310	0.2210	0.4750	0.4600	0.0270	0.0200
1/4	0.2500	0.2670	0.2560	0.5100	0.4940	0.0280	0.0230
5/16	0.3125	0.3320	0.3200	0.6100	0.5880	0.0340	0.0280
3/8	0.3750	0.3980	0.3840	0.6940	0.6700	0.0400	0.0320
7/16	0.4375	0.4640	0.4480	0.7600	0.7400	0.0400	0.0320
1/2	0.5000	0.5300	0.5130	0.9000	0.8800	0.0450	0.0370
9/16	0.5625	0.5960	0.5760	0.9850	0.9600	0.0450	0.0370
5/8	0.6250	0.6630	0.6410	1.0700	1.0450	0.0500	0.0420
3/4	0.7500	0.7950	0.7680	1.2600	1.2200	0.0550	0.0470
7/8	0.8750	0.9270	0.8970	1.4100	1.3800	0.0600	0.0520
1	1.0000	1.0600	1.0250	1.6200	1.5900	0.0670	0.0590

All dimensions are in inches.

External Tooth Lock Washer, Plated

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Diameter Inside Diameter Outside Diameter Thickness Item # Availability Price Quantity UOM

0.1410

0.3125

0.0160

WLEP 6

150 In Stock

$0.04318/EA

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#6 External Tooth Lock Washer, Plated

$0.04318/EA

Qty

150 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.04318/EA
29420	$0.04039/EA
117650	$0.0361/EA
470590	$0.0236/EA

0.1680

0.3750

0.0180

WLEP 8

226 In Stock

$0.15933/EA

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#8 External Tooth Lock Washer, Plated

$0.15933/EA

Qty

226 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.15933/EA
17250	$0.14903/EA
68970	$0.13321/EA
275870	$0.08707/EA

#10

0.1950

0.4062

0.0180

WLEP 10

506 In Stock

$0.02483/EA

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#10 External Tooth Lock Washer, Plated

$0.02483/EA

Qty

506 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.02483/EA
14290	$0.02322/EA
57150	$0.02076/EA
228580	$0.01357/EA

#12

0.2210

0.4688

0.0200

WLEP 12

3-5 Working Days

$0.35233/EA

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#12 External Tooth Lock Washer, Plated

$0.35233/EA

Qty

3-5 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$0.35233/EA
7940	$0.32956/EA
31750	$0.29458/EA
126990	$0.19254/EA

1/4

0.2560

0.5000

0.0230

WLEP025

2405 In Stock

$0.02997/EA

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1/4 External Tooth Lock Washer, Plated

$0.02997/EA

Qty

2405 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.02997/EA
7360	$0.02807/EA
29420	$0.02503/EA
117650	$0.01649/EA

5/16

0.3200

0.5938

0.0280

WLEP031

54 In Stock

$0.03253/EA

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5/16 External Tooth Lock Washer, Plated

$0.03253/EA

Qty

54 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.03253/EA
5160	$0.03047/EA
20620	$0.02714/EA
82480	$0.01798/EA

3/8

0.3840

0.6875

0.0320

WLEP037

940 In Stock

$0.0844/EA

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3/8 External Tooth Lock Washer, Plated

$0.0844/EA

Qty

940 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.0844/EA
3290	$0.07925/EA
13160	$0.07086/EA
52640	$0.04692/EA

7/16

0.4480

0.7500

0.0320

WLEP043

275 In Stock

$0.1348/EA

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7/16 External Tooth Lock Washer, Plated

$0.1348/EA

Qty

275 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.1348/EA
2980	$0.12646/EA
11910	$0.11223/EA
47620	$0.0753/EA

1/2

0.5130

0.8750

0.0370

WLEP050

2840 In Stock

$0.10373/EA

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1/2 External Tooth Lock Washer, Plated

$0.10373/EA

Qty

2840 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.10373/EA
1540	$0.09737/EA
6140	$0.08632/EA
24540	$0.05816/EA

9/16

0.5760

0.9688

0.0370

WLEP056

4580 In Stock

$0.08629/EA

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9/16 External Tooth Lock Washer, Plated

$0.08629/EA

Qty

4580 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.08629/EA
1440	$0.081/EA
5750	$0.07181/EA
22990	$0.04839/EA

5/8

0.6410

1.0625

0.0420

WLEP062

330 In Stock

$0.31758/EA

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5/8 External Tooth Lock Washer, Plated

$0.31758/EA

Qty

330 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.31758/EA
1200	$0.29836/EA
4780	$0.26408/EA
19100	$0.1794/EA

3/4

0.7690

1.2500

0.0470

WLEP075

396 In Stock

$0.45823/EA

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3/4 External Tooth Lock Washer, Plated

$0.45823/EA

Qty

396 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.45823/EA
1520	$0.43078/EA
6060	$0.38096/EA
27240	$0.2603/EA

7/8

0.8970

1.3750

0.0520

WLEP087

520 In Stock

$0.34346/EA

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7/8 External Tooth Lock Washer, Plated

$0.34346/EA

Qty

520 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.34346/EA
1070	$0.32309/EA
4270	$0.28543/EA
19220	$0.19647/EA

1.0250

1.5938

0.0590

WLEP100

690 In Stock

$0.92733/EA

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1 External Tooth Lock Washer, Plated

$0.92733/EA

Qty

690 In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.92733/EA
710	$0.873/EA
2840	$0.77059/EA
12760	$0.53308/EA

External Tooth Lock Washer, Plated

Technical Data

Governing Standards

Governing StandardsExternal Tooth Lock Washer

Dimensional Specifications

Dimensional SpecificationsExternal Tooth Lock Washer

Grade

Diameter

Thickness

Outside Diameter

Inside Diameter

#6 External Tooth Lock Washer, Plated

#8 External Tooth Lock Washer, Plated

#10 External Tooth Lock Washer, Plated

#12 External Tooth Lock Washer, Plated

1/4 External Tooth Lock Washer, Plated

5/16 External Tooth Lock Washer, Plated

3/8 External Tooth Lock Washer, Plated

7/16 External Tooth Lock Washer, Plated

1/2 External Tooth Lock Washer, Plated

9/16 External Tooth Lock Washer, Plated

5/8 External Tooth Lock Washer, Plated

3/4 External Tooth Lock Washer, Plated

7/8 External Tooth Lock Washer, Plated

1 External Tooth Lock Washer, Plated