USS Flat Washers

38 results

KM-USA Class 10 Flat Washers

Grade 8 (USS) Flat Washers - Yellow Zinc Plated

KM-USA Class 10 Flat Washers

KM-USA Class 10 flat washers are carbon steel, yellow zinc plated to resist corrosion and meet ISO 7089/DIN 125 standards. Designed for metric 10.9 fastening systems, they provide consistent bearing area and load distribution, helping protect assemblies during installation. Made in the U.S.A.

Bolt Size	Inside Diameter	Outside Diameter	Thickness	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
M6	6.4 mm	11.5 mm	1.5 mm	100	453606	Log in to view price
M6 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 100 Pack Item #: 453606 Package Weight: 0.3 lbs View Product Details Log in to Order
M8	8.4 mm	15.5 mm	1.5 mm	50	453608	Log in to view price
M8 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 50 Pack Item #: 453608 Package Weight: 0.2 lbs View Product Details Log in to Order
M10	10.5 mm	19.4 mm	2 mm	50	453610	Log in to view price
M10 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 50 Pack Item #: 453610 Package Weight: 0.4 lbs View Product Details Log in to Order
M12	13 mm	23.4 mm	2.5 mm	50	453612	Log in to view price
M12 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 50 Pack Item #: 453612 Package Weight: 0.7 lbs View Product Details Log in to Order
M14	15 mm	27.4 mm	2.5 mm	25	453614	Log in to view price
M14 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 25 Pack Item #: 453614 Package Weight: 0.5 lbs View Product Details Log in to Order
M16	17 mm	29.4 mm	3.1 mm	25	453616	Log in to view price
M16 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 25 Pack Item #: 453616 Package Weight: 0.6 lbs View Product Details Log in to Order
M18	19 mm	33.3 mm	3.1 mm	25	453618	Log in to view price
M18 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 25 Pack Item #: 453618 Package Weight: 0.8 lbs View Product Details Log in to Order
M20	21 mm	36.3 mm	3.1 mm	25	453620	Log in to view price
M20 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 25 Pack Item #: 453620 Package Weight: 0.9 lbs View Product Details Log in to Order
M22	23 mm	38.3 mm	3.1 mm	10	453622	Log in to view price
M22 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 10 Pack Item #: 453622 Package Weight: 0.4 lbs View Product Details Log in to Order
M24	25 mm	43.3 mm	3.8 mm	10	453624	Log in to view price
M24 KM-USA Class 10 Yellow Zinc Plated Flat Washer - 10 Pack Item #: 453624 Package Weight: 0.7 lbs View Product Details Log in to Order

Grade 8 (USS) Flat Washers - Yellow Zinc Plated

Grade 8 USS flat washers made from alloy steel finished in zinc yellow with hexavalent chromate plating. Close-fitting ID and enhanced thickness reduce dishing and improve load bearing, providing more uniform clamp load and a smoother bearing surface for assemblies.

Bolt Size	Inside Diameter	Outside Diameter	Thickness	Material	Finish	Package Qty	Item #	Price Want to view pricing for this product? Log In or Create Login Not a Kimball Midwest Customer? Register
1/4"	9/32"	3/4"	5/64"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	100	373804	Log in to view price
1/4" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 100 Pack Item #: 373804 Package Weight: 0.9 lbs View Product Details Log in to Order
1/4"	9/32"	3/4"	5/64"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	200	3738041	Log in to view price
1/4" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 200 Pack Item #: 3738041 Package Weight: 1.7 lbs View Product Details Log in to Order
1/4"	9/32"	3/4"	5/64"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	500	3738042	Log in to view price
1/4" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 500 Pack Item #: 3738042 Package Weight: 4 lbs View Product Details Log in to Order
5/16"	11/32"	7/8"	3/32"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	100	373805	Log in to view price
5/16" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 100 Pack Item #: 373805 Package Weight: 1.3 lbs View Product Details Log in to Order
5/16"	11/32"	7/8"	3/32"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	200	3738051	Log in to view price
5/16" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 200 Pack Item #: 3738051 Package Weight: 2.3 lbs View Product Details Log in to Order
5/16"	11/32"	7/8"	3/32"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	500	3738052	Log in to view price
5/16" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 500 Pack Item #: 3738052 Package Weight: 6.1 lbs View Product Details Log in to Order
3/8"	13/32"	1"	3/32"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	100	373806	Log in to view price
3/8" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 100 Pack Item #: 373806 Package Weight: 1.6 lbs View Product Details Log in to Order
3/8"	13/32"	1"	3/32"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	200	3738061	Log in to view price
3/8" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 200 Pack Item #: 3738061 Package Weight: 3.2 lbs View Product Details Log in to Order
7/16"	15/32"	1-1/4"	3/32"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	50	373807	Log in to view price
7/16" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 50 Pack Item #: 373807 Package Weight: 1.4 lbs View Product Details Log in to Order
7/16"	15/32"	1-1/4"	3/32"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	100	3738071	Log in to view price
7/16" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 100 Pack Item #: 3738071 Package Weight: 2 lbs View Product Details Log in to Order
1/2"	17/32"	1-3/8"	1/8"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	50	373808	Log in to view price
1/2" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 50 Pack Item #: 373808 Package Weight: 2.2 lbs View Product Details Log in to Order
1/2"	17/32"	1-3/8"	1/8"	Alloy Steel	Zinc Yellow with Hexavalent Chromate	100	3738081	Log in to view price
1/2" Grade 8 (USS) Yellow Zinc Plated Alloy Steel Flat Washer - 100 Pack Item #: 3738081 Package Weight: 4.5 lbs View Product Details Log in to Order