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
316 SS Split Lock Washer Diameter #6 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.1410 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.2500 Quantity Discounts	316 SS Split Lock Washer Thickness 0.0310 Quantity Discounts	316 SS Split Lock Washer Item # WLS6 6 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $0.12709/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
#6 316 STAINLESS STEEL SPLIT LOCK WASHER $0.12709/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter #8 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.1670 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.2930 Quantity Discounts	316 SS Split Lock Washer Thickness 0.0400 Quantity Discounts	316 SS Split Lock Washer Item # WLS6 8 Quantity Discounts	316 SS Split Lock Washer Availability 3-5 Working Days Quantity Discounts	316 SS Split Lock Washer Price $0.04434/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
#8 316 STAINLESS STEEL SPLIT LOCK WASHER $0.04434/EA Qty 3-5 Working Days Product Detail
316 SS Split Lock Washer Diameter #10 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.1930 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.3340 Quantity Discounts	316 SS Split Lock Washer Thickness 0.0470 Quantity Discounts	316 SS Split Lock Washer Item # WLS6 10 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $0.10008/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
#10 316 STAINLESS STEEL SPLIT LOCK WASHER $0.10008/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 1/4 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.2520 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.4870 Quantity Discounts	316 SS Split Lock Washer Thickness 0.0620 Quantity Discounts	316 SS Split Lock Washer Item # WLS6025 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $0.08116/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
1/4 316 STAINLESS STEEL SPLIT LOCK WASHER $0.08116/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 5/16 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.3140 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.5830 Quantity Discounts	316 SS Split Lock Washer Thickness 0.0780 Quantity Discounts	316 SS Split Lock Washer Item # WLS6031 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $0.1322/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
5/16 316 STAINLESS STEEL SPLIT LOCK WASHER $0.1322/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 3/8 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.3770 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.6800 Quantity Discounts	316 SS Split Lock Washer Thickness 0.0940 Quantity Discounts	316 SS Split Lock Washer Item # WLS6037 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $0.20599/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
3/8 316 STAINLESS STEEL SPLIT LOCK WASHER $0.20599/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 7/16 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.4400 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.7760 Quantity Discounts	316 SS Split Lock Washer Thickness 0.1090 Quantity Discounts	316 SS Split Lock Washer Item # WLS6043 Quantity Discounts	316 SS Split Lock Washer Availability 3-5 Working Days Quantity Discounts	316 SS Split Lock Washer Price $0.37149/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
7/16 316 STAINLESS STEEL SPLIT LOCK WASHER $0.37149/EA Qty 3-5 Working Days Product Detail
316 SS Split Lock Washer Diameter 1/2 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.5020 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.8690 Quantity Discounts	316 SS Split Lock Washer Thickness 0.1250 Quantity Discounts	316 SS Split Lock Washer Item # WLS6050 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $0.34122/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
1/2 316 STAINLESS STEEL SPLIT LOCK WASHER $0.34122/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 9/16 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.5640 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 0.9650 Quantity Discounts	316 SS Split Lock Washer Thickness 0.1410 Quantity Discounts	316 SS Split Lock Washer Item # WLS6056 Quantity Discounts	316 SS Split Lock Washer Availability 3-5 Working Days Quantity Discounts	316 SS Split Lock Washer Price $1.1926/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
9/16 316 STAINLESS STEEL SPLIT LOCK WASHER $1.1926/EA Qty 3-5 Working Days Product Detail
316 SS Split Lock Washer Diameter 5/8 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.6280 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 1.0730 Quantity Discounts	316 SS Split Lock Washer Thickness 0.1560 Quantity Discounts	316 SS Split Lock Washer Item # WLS6062 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $0.7611/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
5/8 316 STAINLESS STEEL SPLIT LOCK WASHER $0.7611/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 3/4 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.7530 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 1.2650 Quantity Discounts	316 SS Split Lock Washer Thickness 0.1880 Quantity Discounts	316 SS Split Lock Washer Item # WLS6075 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $0.85421/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
3/4 316 STAINLESS STEEL SPLIT LOCK WASHER $0.85421/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 7/8 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 0.8780 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 1.4590 Quantity Discounts	316 SS Split Lock Washer Thickness 0.2190 Quantity Discounts	316 SS Split Lock Washer Item # WLS6087 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $1.01919/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
7/8 316 STAINLESS STEEL SPLIT LOCK WASHER $1.01919/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 1 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 1.0030 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 1.6560 Quantity Discounts	316 SS Split Lock Washer Thickness 0.2500 Quantity Discounts	316 SS Split Lock Washer Item # WLS6100 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $2.60064/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
1 316 STAINLESS STEEL SPLIT LOCK WASHER $2.60064/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 1 1/8 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 1.1290 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 1.8470 Quantity Discounts	316 SS Split Lock Washer Thickness 0.2810 Quantity Discounts	316 SS Split Lock Washer Item # WLS6112 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $1.72304/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
1 1/8 316 STAINLESS STEEL SPLIT LOCK WASHER $1.72304/EA Qty In Stock Product Detail
316 SS Split Lock Washer Diameter 1 1/4 Quantity Discounts	316 SS Split Lock Washer Inside Diameter 1.2540 Quantity Discounts	316 SS Split Lock Washer Outside Diameter 2.0360 Quantity Discounts	316 SS Split Lock Washer Thickness 0.3120 Quantity Discounts	316 SS Split Lock Washer Item # WLS6125 Quantity Discounts	316 SS Split Lock Washer Availability In Stock Quantity Discounts	316 SS Split Lock Washer Price $2.42502/EA Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts	See Quantity Discounts	316 SS Split Lock Washer Unit of Measure EA Quantity Discounts
1 1/4 316 STAINLESS STEEL SPLIT LOCK WASHER $2.42502/EA Qty In Stock Product Detail

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