Contact Information

Stampings
2550 S 27th Avenue
Broadview, IL 60155 
920-261-2652 
sales@shakeproof.com

Pins
W6331 Bee Rd 
Watertown, WI 53098 
920-261-2652 
sales@shakeproof.com

Lock Washers
3704 N Palmer Rd 
Milwaukee, WI 53212 
920-261-2652 
sales@shakeproof.com

Threaded
W6331 Bee Rd 
Watertown, WI 53098 
920-261-2652 
sales@shakeproof.com

Stampings

ITW Shakeproof Group is the largest, most diverse and uniquely tooled producer of stampings products in the world.

Since its 1923 invention of the Twisted Tooth Lock Washer, Shakeproof has continued to invent products that revolutionized the stampings industry. Such product inventions as the Square Cones, Spring Washers, Internal/External Lock Washers and Shaft Retainers are the finest anti-vibration, anti-loosening, mechanical fastening devices available today.

SEMS External Tooth Internal Tooth
SEMS External Tooth Internal Tooth
Countersunk Type External-Internal Type Pyramidal Type
external 3 ext int pyramidal 1
Dome Type Dished Type Alternate Twisted
Tooth Type
dome plain cropped dish toothed per alt int
Narrow Rim Type Pipe Type Wide Rim Type
narrow rim intInternal
narrrow rim extExternal
pipe intInternal
pipe extExternal
wide rimInternal
wide rim intExternal
Light Duty Stamped Nuts Internal Tooth Retainer External Tooth Solid I.D. Retainer
Light Duty Stamped Nuts Internal Tooth Retainer External Tooth Solid I.D. Retainer
Bends Curved Bends Flat Base Shape Rectangle
bends curved flat base shape rectangle
Shape Round Twin Prong Impressions Diamond Impressions
shape round Twin Prong Impressions Diamond Impressions
Spira Cone Impressions Hardened Stud Retainers Impressions Ends Turned Up
Spira Cone Impressions Hardened Stud Retainers Impressions Ends Turned Up
Ends Turned Down Ends Notched  
Ends Turned Down Ends Notched  
Lower Leg Leads Upper Leg Leads Both Leg Leads
Lower Leg Leads Upper Leg Leads Both Leg Leads
Side Relief Notches Center Relief Notches Upper Leg Barbs
Side Relief Notches Center Relief Notches Upper Leg Barbs
Lower Leg Barbs Both Leg Barbs Wide Range Nuts & Panel Nuts
Lower Leg Barbs Both Leg Barbs Wide Range Nuts and Panel Nuts
Style 1 "V" Wave Style 3 Single Wave Style 4 Single Wave Flat Rim
Style 1 Style 3 Single Wave Style 4 Single Wave Flat Rim
Style 6 Three Wave Four Wave Finger Washers
Style 6 Three Wave Four Wave Finger Washers
Style 8 Plain Periphery Style 8 Tooth Periphery Ramp Conical Plain Periphery
Style 8 Plain Periphery Style 8 Tooth Periphery Ramp Conical Plain Periphery
Ramp Conical Tooth Periphery Style 10 Special Spring Washers Style 12
rRamp Conical Tooth Periphery Style 10 Special Spring Washers Style 12
Style 14 Custom Thrust & Bearing Washers  
Style 14 Custom Thrust and Bearing Washers