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Internal/External Tooth Lock Washers

Vibration loosening your connections? Internal/external tooth lock washers bite into the fastener and base metal to keep assemblies tight and maintain electrical contact for grounding. Dual-tooth grip boosts holding power where equipment shakes. Zinc plating helps fight corrosion outdoors and in washdown areas. Kimball Midwest keeps them on hand so you cut comebacks.

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Internal/External Combination Tooth Lock Washers
Internal/External Combination Tooth Lock Washers
Internal/external combination tooth lock washers made from alloy steel with zinc plating. Dual internal and external teeth provide extra bite for grounding and resist loosening in vibration-prone assemblies. Zinc finish helps resist corrosion for general fastening applications.
Item # Bolt Size Material Finish Package Qty
#6 Internal/External Combination Tooth Lock Washers - 100 Pack
#6
Alloy Steel
Zinc Plated
100
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#8 Internal/External Combination Tooth Lock Washers - 100 Pack
#8
Alloy Steel
Zinc Plated
100
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#10 Internal/External Combination Tooth Lock Washers - 100 Pack
#10
Alloy Steel
Zinc Plated
100
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1/4" Internal/External Combination Tooth Lock Washers - 100 Pack
1/4"
Alloy Steel
Zinc Plated
100
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5/16" Internal/External Combination Tooth Lock Washers - 50 Pack
5/16"
Alloy Steel
Zinc Plated
50
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3/8" Internal/External Combination Tooth Lock Washers - 50 Pack
3/8"
Alloy Steel
Zinc Plated
50
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7/16" Internal/External Combination Tooth Lock Washers - 50 Pack
7/16"
Alloy Steel
Zinc Plated
50
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1/2" Internal/External Combination Tooth Lock Washers - 25 Pack
1/2"
Alloy Steel
Zinc Plated
25
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9/16" Internal/External Combination Tooth Lock Washers - 25 Pack
9/16"
Alloy Steel
Zinc Plated
25
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5/8" Internal/External Grade 5 Combination Tooth Lock Washers - 25 Pack
5/8"
Alloy Steel
Zinc Plated
25
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Combination Tooth Lock Washers
Combination Tooth Lock Washers
Combination tooth lock washer for 1/4" bolts specified for SAE applications. Steel construction with serrated internal teeth provides secure grip and resists loosening under vibration. Outside diameter 23/32"; suited for automotive fastening.
Item # Bolt Size Outside Diameter Package Qty
1/4" Combination Tooth Lock Washer - 100 Pack
1/4"
23/32"
100
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10 options | Item #: 374400
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1 option | Item #: 131201
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