EXTSW BEVELED 5/16" ID x 1.115" OD x .158” Thick 316 Stainless washer - Fits #612 ARP Bolts

EXTSW BEVELED 5/16”(.323") ID x 1 1/8" (1.115") OD x .158” Thick 316 Stainless Washer 

Actual size .323" ID x 1.115" OD x .158 Thick 
(Fits 5/16" #612 ARP 12 Point Bolts) 
(Recessed .042 x .630) Beveled 
(+/- .003 on all dimensions)

.030 inch Radius OD / slightly countersunk ID (no sharp edges)

Made in USA. 316 Stainless has the ULTIMATE corrosion resistance.

Same-day shipping — cutoff times (12 PM for Next Day Air, 2 PM for 2nd Day Air) with color-coded badges

Shipping methods — all USPS flat rates and UPS variable options in a clean card grid

Order tracking — email notification and 24hr update window

Delivery & locations — US-only, business-day estimates, carrier delay disclaimer

Lost or damaged — clickable email and phone contact links

Business Name: EXTSW
Owner/Operator: Thomas Hoffman

Business Address:
19506 Industrial Drive, Ste F
Sonora, CA 95370
United States

Customer Service Contact:
Email: contact@extsw.com
Phone: +1 (209) 517-3150

Customer Support Hours:
Monday – Friday: 9:00 AM – 5:00 PM