Lock Washers

Off the shelf in 18-8, 316, Grade 5 & 8, brass, bronze and other materials.

External Tooth Lock Washers

Sems screw in all types and all materials are also available!


Inch Sizes

Available in 410 Stainless, Silicone Bronze & Carbon Steel

Metric Sizes

Available in A2 (18-8), A4 (316) and Carbon Steel

High Collar

Sems screw in all types and all materials are also available!


Inch Sizes

Available in 18-8, 318, Brass, Bronze, Carbon Steel

Metric Sizes

Available in A2 (18-8), A4 (316) and Carbon Steel

Internal Tooth Lock Washers

Sems screw in all types and all materials are also available! We are unable to list all of our stock items. If you don't see what you are looking for please contact us!


Inch Sizes

Available in 410 Stainless, Silicone Bronze & Carbon Steel

Metric Sizes

Available in A2 (18-8), A4 (316) and Carbon Steel

Split Lock

Sems screw in all types and all materials are also available!


Inch Sizes

Available in 18-8, 318, Brass, Bronze, Carbon Steel

Metric Sizes

Available in A2 (18-8), A4 (316) and Carbon Steel

AN, MS, NAS, NASM Lock Washers

NASM parts are available when the AN/MS/NAS number has been cancelled or superseded.

DFAR compliant and full certifications are available.

Retaining Rings, Groove Pins, Spring Pins, we are much more than threaded product!

© 2005-2020 Ocean State Stainless, Inc. All rights reserved.