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Deck Plus Lock Washers

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Deck Plus 
Coated Steel Split Lock Washer

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for pricing and availability

Deck Plus 
Coated Steel Split Lock Washer

Find My Store

for pricing and availability

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Deck Plus 
Coated Steel Split Lock Washer

Find My Store

for pricing and availability

Deck Plus 
Coated Steel Split Lock Washer

Find My Store

for pricing and availability

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Stainless steel Stainless steel Split Lock Washer 12-Count

Hillman   Stainless steel Stainless steel Split Lock Washer 12-Count

Engineered to provide more uniform load distribution, split lock washers are great for any indoor/outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help "lock" into the mating material, thus providing a locking feature when tightened beneath a nut. The stainless steel finish offers good corrosion resistance. Use with treated lumber in applications with like nuts and bolts of similar diameter.

Zinc-plated Steel Split Lock Washer 12-Count

Hillman   Zinc-plated Steel Split Lock Washer 12-Count

Engineered to provide more uniform load distribution, split lock washers are great for any indoor/outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose.

1/2-in Yellow zinc Steel Split Lock Washer 2-Count

Hillman   1/2-in Yellow zinc Steel Split Lock Washer 2-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Zinc-plated Steel Split Lock Washer 25-Count

Project Pak   Zinc-plated Steel Split Lock Washer 25-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Zinc-plated Steel Split Lock Washer 48-Count

Hillman   Zinc-plated Steel Split Lock Washer 48-Count

Engineered to provide more uniform load distribution, split lock washers are great for any indoor/outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help "lock" into the mating material, thus providing a locking feature when tightened beneath a nut. The zinc finish provides moderate corrosion resistance. Use with treated lumber in applications with like nuts and bolts of similar diameter.

Coated Steel Split Lock Washer

Deck Plus   Coated Steel Split Lock Washer

Engineered to provide more uniform load distribution, split lock washers are great for any indoor/outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help "lock" into the mating material, thus providing a locking feature when tightened beneath a nut. The exterior duplex coating offers good corrosion resistance. Use with treated lumber in applications with like nuts and bolts of similar diameter.

3/8-in Yellow zinc Steel Split Lock Washer 4-Count

Hillman   3/8-in Yellow zinc Steel Split Lock Washer 4-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

5/16-in Zinc-plated Steel Split Lock Washer 10-Count

Hillman   5/16-in Zinc-plated Steel Split Lock Washer 10-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

7/16-in Yellow zinc Steel Split Lock Washer 3-Count

Hillman   7/16-in Yellow zinc Steel Split Lock Washer 3-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

5/16-in Zinc-plated Steel Internal tooth Lock Washer 2-Count

Hillman   5/16-in Zinc-plated Steel Internal tooth Lock Washer 2-Count

Lock washer are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Zinc-plated Steel Internal tooth Lock Washer 4-Count

Hillman   Zinc-plated Steel Internal tooth Lock Washer 4-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Zinc-plated Steel External tooth Lock Washer 4-Count

Hillman   Zinc-plated Steel External tooth Lock Washer 4-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Zinc-plated Steel Wave washer Lock Washer 10-Count

Hillman   Zinc-plated Steel Wave washer Lock Washer 10-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Stainless steel Stainless steel Split Lock Washer 5-Count

Hillman   Stainless steel Stainless steel Split Lock Washer 5-Count

Lock washer are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Stainless steel Stainless steel Split Lock Washer 5-Count

Hillman   Stainless steel Stainless steel Split Lock Washer 5-Count

Lock washer are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Stainless steel Stainless steel Split Lock Washer 5-Count

Hillman   Stainless steel Stainless steel Split Lock Washer 5-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

5/8-in Zinc-plated Steel Split Lock Washer 2-Count

Hillman   5/8-in Zinc-plated Steel Split Lock Washer 2-Count

Lock washers are used when keeping a nut and washer securely held together. These fasteners also resist loosing caused by vibration and corrosion.

Keep Things Fastened With Lock Washers

A lock washer keeps nut and bolt fasteners from slipping or shaking loose. They're especially useful for equipment that handles frequent vibrations, such as automobiles or washing machines.


A split lock washer is a type of washer featuring a tiny slit. The two ends are slightly bent away from each other at the split. This creates resistance to movements that would otherwise shake the nut and bolt fastener loose. An external and internal tooth split washer has teeth located on the inside, outside or a combination of both. This provides added slip-proofing support for larger fasteners.


Split washers are made of durable metals such as steel, stainless steel and copper and come in different finishes for different functions. For example, a zinc-plated finish provides corrosion resistance. You can buy lock washers as single units or in multi-packs depending on your demand. For simple at-home hardware maintenance, have a few split washers handy for unexpected repairs that come up.