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Internal Tooth Lock Washers

Internal Tooth Lock Washers have inward extending teeth made to bite into the nut/screw head and surface it  comes into contact with. They're great for small screws or screws used in electrical grounding.

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3/8
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3/8" Zinc Plated Internal Tooth Lock Washer

37NLITZ

$6.00 /Box of 100
Only $0.06 Each

1/4
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1/4" Zinc Plated Internal Tooth Lock Washer

25NLITZ

$3.50 /Box of 100
Only $0.04 Each

5/16
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5/16" Zinc Plated Internal Tooth Lock Washer

31NLITZ

$4.75 /Box of 100
Only $0.05 Each

1/2
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1/2" Zinc Plated Internal Tooth Lock Washer

50NLITZ

$8.50 /Box of 100
Only $0.08 Each

#12 Zinc Plated Internal Tooth Lock Washer
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#12 Zinc Plated Internal Tooth Lock Washer

12NLITZ

$3.50 /Box of 100
Only $0.04 Each

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Big Timber BTX Exterior Grade Construction Screws