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316 Stainless Steel Split Helical Lock Washer

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316 SS Split Lock Washer

316 Stainless Steel split lock washers are used under bolt heads or nuts to increase the hold of the fastener or to increase the bearing surface. Split lock washers are helical-shaped split rings. When fastened, the two ends exert a spring force on the fastener to create increased friction and resistance to motion. Dimensional specifications are governed by ASME B18.21.1. 316 stainless steel fasteners are commonly used in applications that require general atmospheric corrosion resistance, such as chemical and food processing equipment.

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Governing Standards
Dimensional Specifications

Dimensional Specifications

Dimensional SpecificationsSplit Lock Washer

Per ASME B18.21.1-2009
Size	Nominal	A		B	T	W	BW
		Inside Diameter		Outside Diameter	Mean Section Thickness	Section Width	Bearing Width
		Max	Min	Max	Min	Min	Min
#2	0.0860	0.0940	0.0880	0.1720	0.0200	0.0350	0.0240
#3	0.0990	0.1070	0.1010	0.1950	0.0250	0.0400	0.0280
#4	0.1120	0.1200	0.1140	0.2090	0.0250	0.0400	0.0280
#5	0.1250	0.1330	0.1270	0.2360	0.0310	0.0470	0.0330
#6	0.1380	0.1480	0.1410	0.2500	0.0310	0.0470	0.0330
#8	0.1640	0.1740	0.1670	0.2930	0.0400	0.0550	0.0380
#10	0.1900	0.2000	0.1930	0.3340	0.0470	0.0620	0.0430
#12	0.2160	0.2270	0.2200	0.3770	0.0560	0.0700	0.0490
1/4	0.2500	0.2600	0.2520	0.4870	0.0620	0.1090	0.0760
5/16	0.3125	0.3220	0.3140	0.5830	0.0780	0.1250	0.0870
3/8	0.3750	0.3850	0.3770	0.6800	0.0940	0.1410	0.0990
7/16	0.4375	0.4500	0.4400	0.7760	0.1090	0.1560	0.1090
1/2	0.5000	0.5120	0.5020	0.8690	0.1250	0.1710	0.1200
9/16	0.5625	0.5740	0.5640	0.9650	0.1410	0.1880	0.1320
5/8	0.6250	0.6410	0.6280	1.0730	0.1560	0.2090	0.1420
3/4	0.7500	0.7660	0.7530	1.2650	0.1880	0.2340	0.1640
7/8	0.8750	0.8940	0.8780	1.4590	0.2190	0.2660	0.1860
1	1.0000	1.0240	1.0030	1.6560	0.2500	0.2970	0.2080
1 1/8	1.1250	1.1530	1.1290	1.8470	0.2810	0.3280	0.2300
1 1/4	1.2500	1.2800	1.2540	2.0360	0.3120	0.3590	0.2510
1 3/8	1.3750	1.4080	1.3790	2.2190	0.3440	0.3910	0.2740
1 1/2	1.5000	1.5340	1.5040	2.4190	0.3750	0.4220	0.2950

All dimensions are in inches.

316 SS Split Lock Washer

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

0.1410

0.2500

0.0310

WLS6 6

In Stock

$0.12709/EA

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#6 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.12709/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.12709/ EA
16510	$0.11907/ EA
66010	$0.10603/ EA
264030	$0.07027/ EA

0.1670

0.2930

0.0400

WLS6 8

3-5 Working Days

$0.04434/EA

See Quantity Discounts

#8 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.04434/EA

Qty

3-5 Working Days

Product Detail

Quantity	Price
Quantity	Price
1	$0.04434/ EA
9890	$0.04154/ EA
39530	$0.03699/ EA
158110	$0.02451/ EA

#10

0.1930

0.3340

0.0470

WLS6 10

In Stock

$0.09935/EA

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#10 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.09935/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.09935/ EA
6870	$0.09307/ EA
27480	$0.08288/ EA
109900	$0.05493/ EA

1/4

0.2520

0.4870

0.0620

WLS6025

In Stock

$0.08247/EA

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1/4 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.08247/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.08247/ EA
2110	$0.07726/ EA
8420	$0.0688/ EA
33680	$0.04559/ EA

5/16

0.3140

0.5830

0.0780

WLS6031

In Stock

$0.11674/EA

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5/16 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.11674/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.11674/ EA
1220	$0.10942/ EA
4880	$0.0973/ EA
19490	$0.06484/ EA

3/8

0.3770

0.6800

0.0940

WLS6037

In Stock

$0.1839/EA

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3/8 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.1839/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.1839/ EA
1650	$0.17255/ EA
6600	$0.15311/ EA
29680	$0.1028/ EA

7/16

0.4400

0.7760

0.1090

WLS6043

In Stock

$0.37149/EA

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7/16 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.37149/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.37149/ EA
1060	$0.3493/ EA
4210	$0.30876/ EA
18950	$0.21151/ EA

1/2

0.5020

0.8690

0.1250

WLS6050

In Stock

$0.34094/EA

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1/2 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.34094/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.34094/ EA
770	$0.3208/ EA
3050	$0.28347/ EA
13700	$0.19529/ EA

9/16

0.5640

0.9650

0.1410

WLS6056

In Stock

$0.7896/EA

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9/16 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.7896/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.7896/ EA
540	$0.74297/ EA
2140	$0.65649/ EA
9630	$0.45229/ EA

5/8

0.6280

1.0730

0.1560

WLS6062

In Stock

$0.76107/EA

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5/8 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.76107/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.76107/ EA
420	$0.71685/ EA
1650	$0.63253/ EA
7420	$0.43915/ EA

3/4

0.7530

1.2650

0.1880

WLS6075

In Stock

$0.83887/EA

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3/4 316 STAINLESS STEEL SPLIT LOCK WASHER

$0.83887/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$0.83887/ EA
250	$0.79072/ EA
990	$0.69751/ EA
4460	$0.48805/ EA

7/8

0.8780

1.4590

0.2190

WLS6087

In Stock

$1.25448/EA

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7/8 316 STAINLESS STEEL SPLIT LOCK WASHER

$1.25448/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$1.25448/ EA
170	$1.18352/ EA
660	$1.04308/ EA
2970	$0.73431/ EA

1.0030

1.6560

0.2500

WLS6100

In Stock

$2.63003/EA

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1 316 STAINLESS STEEL SPLIT LOCK WASHER

$2.63003/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.63003/ EA
120	$2.48268/ EA
450	$2.18808/ EA
2030	$1.54876/ EA

1 1/8

1.1290

1.8470

0.2810

WLS6112

In Stock

$1.72304/EA

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1 1/8 316 STAINLESS STEEL SPLIT LOCK WASHER

$1.72304/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$1.72304/ EA
80	$1.62651/ EA
320	$1.4335/ EA
1440	$1.01466/ EA

1 1/4

1.2540

2.0360

0.3120

WLS6125

In Stock

$2.42502/EA

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1 1/4 316 STAINLESS STEEL SPLIT LOCK WASHER

$2.42502/EA

Qty

In Stock

Product Detail

Quantity	Price
Quantity	Price
1	$2.42502/ EA
60	$2.28916/ EA
230	$2.01752/ EA
1000	$1.42803/ EA

316 SS Split Lock Washer

Technical Data

Governing Standards

Governing StandardsSplit Lock Washer

Dimensional Specifications

Dimensional SpecificationsSplit Lock Washer

Diameter

Thickness

Outside Diameter

Inside Diameter

#6 316 STAINLESS STEEL SPLIT LOCK WASHER

#8 316 STAINLESS STEEL SPLIT LOCK WASHER

#10 316 STAINLESS STEEL SPLIT LOCK WASHER

1/4 316 STAINLESS STEEL SPLIT LOCK WASHER

5/16 316 STAINLESS STEEL SPLIT LOCK WASHER

3/8 316 STAINLESS STEEL SPLIT LOCK WASHER

7/16 316 STAINLESS STEEL SPLIT LOCK WASHER

1/2 316 STAINLESS STEEL SPLIT LOCK WASHER

9/16 316 STAINLESS STEEL SPLIT LOCK WASHER

5/8 316 STAINLESS STEEL SPLIT LOCK WASHER

3/4 316 STAINLESS STEEL SPLIT LOCK WASHER

7/8 316 STAINLESS STEEL SPLIT LOCK WASHER

1 316 STAINLESS STEEL SPLIT LOCK WASHER

1 1/8 316 STAINLESS STEEL SPLIT LOCK WASHER

1 1/4 316 STAINLESS STEEL SPLIT LOCK WASHER