Single Coil, Spring Lock

Single Coil, Spring Lock Washers are made of high grade spring steel to keep a bolt nut in tension, insuring a tight assembly under all temperatures.

Improved corrosion resistant options are available!

Better: TDG coated items

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Spring Lockwashers

Catalog Number Size (Inches) Bolt Diameter (Inches) Weight/100 (lbs)
J140 .234 x .188 3/4 4.5
J138 .171 x .125 1/2 2.0
J139 .203 x .156 5/8 2.7
J134 .141 x .094 3/8 .8

Table below are items protected with zinc applied by the Thermal Diffusion Galvanizing (TDG) process (reference ASTM A 1059). Corrosion protection and service life for TDG items is greater than that provided by standard hot dip galvanizing.

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TDG Spring Lockwashers

Catalog Number Size (Inches) Bolt Diameter (Inches) Weight/100 (lbs)
J140T .234 x .188 3/4 4.5
J139T .203 x .156 5/8 2.7
J138T .171 x .125 1/2 2

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