Home » Washers and Related Stampings » Standard Flat Washers » Extra Thick Mil-Carb (MC^x®) Grade 8 Washers

Extra Thick Mil-Carb (MC^x®) Grade 8 Washers

For use with high strength ASTM A325 and A490, as well as Grade 8 bolts.

Fabricated from prime quality medium carbon steel. Through hardened (quenched and tempered) R/C 38-45, and electro zinc-plated.

MC^x washers are available in 1/4" through 1" bolt sizes in U.S. Standard and SAE dimensions.

U.S Standard Dimensions

Bolt Size	Outside Diameter	Inside Diameter	Thickness	Approx Lbs per M Pcs	Approx pcs per Carton	Add to Cart

1/4	.750	.313	.090/.110	10.2	3,700	Request Quote
5/16	.875	.375	.090/.110	13.7	2,800	Request Quote
3/8	1.000	.438	.110/.126	21.3	1,900	Request Quote
7/16	1.250	.500	.100/.126	34	1,100	Request Quote
1/2	1.375	.563	.156/.188	61	600	Request Quote
9/16	1.500	.625	.156/.188	72	500	Request Quote
5/8	1.750	.688	.170/.195	107	350	Request Quote
3/4	2.000	.813	.170/.195	138	250	Request Quote
7/8	2.250	.938	.235/.265	233	150	Request Quote
1	2.500	1.063	.235/.265	285	130	Request Quote

Bolt Size	Outside Diameter	Inside Diameter	Thickness	Approx Lbs per M Pcs	Approx pcs per Carton	Add to Cart

5/16	.063	.344	.090/.110	7.9	5,000	Request Quote
1/4	.625	.281	.090/.110	7	5,700	Request Quote
3/8	.813	.406	.110/.126	12.8	3,100	Request Quote
7/16	.922	.469	.110/.126	16.3	2,400	Request Quote
1/2	1.063	.531	.156/.188	33	1,000	Request Quote
9/16	1.188	.594	.156/.188	41	900	Request Quote
5/8	1.313	.656	.170/.195	54	700	Request Quote
3/4	1.469	.813	.170/.195	62	600	Request Quote
7/8	1.750	.938	.235/.265	122	300	Request Quote
1	2.000	1.063	.235/.265	166	200	Request Quote