Best M4 Lock Washers in 2026

Use with like nuts and bolts of similar diameter

For use with any indoor or outdoor project with treated lumber

Product 1: Includes Quality Simpson Accessories: Monster 5/16-inch x 25-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and Soap; 16-inch steel wand/lance; Professional spray gun with safety lock-out

Product 2: Perfect for Commercial or Residential Cleaning: On the highest setting you can clean hard surfaces such as driveway, brick, and concrete; Twist to the medium setting to clean fences, decks, and wood siding; Twist to the lowest setting to clean surfaces of boats, vehicles, and house windows

Product 2: Easy to Use: The Dial-N-Wash Adjustable Pressure Regulator attachment for power washing connects to your spray gun and extension wand with industry standard M22 connections; you can easily adjust from Min to Medium to Max pressure with a simple twist

Product 2: Works with Most Accessories: Use the pressure regulator with any pressure washer attachments to apply the optimal pressure for your project; Do not use with soap

Product 2: Compatible with Most Pressure Washers: This accessory is compatible with any gas or electric pressure washer rated up to 4500 PSI; it's a great addition to the toolbox for any DIY-er or professional power washing business

Includes Quality Simpson Accessories: Morflex 5/16-inch x 35-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and Soap; 16-inch steel wand/lance; Professional spray gun with safety lock-out

Important Notes: Keep max fuel level 1/2 Inch below bottom of filler neck to avoid spillage; All pressure washers are 100% functionally tested in factory and may contain minimum residual fuel/oil or fuel odor; Pump/Hose Connection: Threaded M22 connection

Nord-Lock washers utilize tension instead of friction in order to secure bolted joints exposed to severe vibration and dynamic loads. Nord-Lock steel washers promise the highest corrosion resistance on the market.

Nord-Lock multifunctional wedge-locking washers are used in industries such as: energy, robotics, medical, transportation, offshore, mining and quarrying, construction and bridge building, manufacturing and processing, ship building, forestry and agriculture, heavy vehicles, and military.

Nord-Lock washers utilize tension instead of friction in order to secure bolted joints exposed to severe vibration and dynamic loads. Nord-Lock steel washers promise the highest corrosion resistance on the market.

Nord-Lock wedge-locking washers are used in industries such as: energy, robotics, medical, transportation, offshore, mining and quarrying, construction and bridge building, manufacturing and processing, ship building, forestry and agriculture, heavy vehicles, and military.

Tensile - 100,000 psi to 125,000 psi, Hardness - 85 Rockwell B.

Quantity: 50pcs

Including: Contains 50 pcs M6x25mm(OD) 304 Stainless steel flat washers

Material: Made of high quality 304 stainless steel,no magnetic. Smooth polished surface, no sharp edges. rust and corrosion resistance, sturdy and durable.

Nord-Lock washers utilize tension instead of friction in order to secure bolted joints exposed to severe vibration and dynamic loads. Nord-Lock steel washers promise the highest corrosion resistance on the market.

Nord-Lock wedge-locking washers are used in industries such as: energy, robotics, medical, transportation, offshore, mining and quarrying, construction and bridge building, manufacturing and processing, ship building, forestry and agriculture, heavy vehicles, and military.

Metric A2-70 / Inch 18-8 (304)

Nord-Lock washers utilize tension instead of friction in order to secure bolted joints exposed to severe vibration and dynamic loads. Nord-Lock stainless steel washers promise the highest corrosion resistance on the market.

Nord-Lock wedge-locking washers are used in industries such as: energy, robotics, medical, transportation, offshore, mining and quarrying, construction and bridge building, manufacturing and processing, ship building, forestry and agriculture, heavy vehicles, and military.

Nord-Lock washers utilize tension instead of friction in order to secure bolted joints exposed to severe vibration and dynamic loads. Nord-Lock steel washers promise the highest corrosion resistance on the market.

Nord-Lock wedge-locking washers are used in industries such as: energy, robotics, medical, transportation, offshore, mining and quarrying, construction and bridge building, manufacturing and processing, ship building, forestry and agriculture, heavy vehicles, and military.

Full assortment includes both internal and external variants

Stainless steel finish for best-in-class corrosion resistance

These stainless steel internal toothed lock washers feature a 1/2" screw size

25 pieces per retail package

Nord-Lock washers utilize tension instead of friction in order to secure bolted joints exposed to severe vibration and dynamic loads. Nord-Lock steel washers promise the highest corrosion resistance on the market.

Nord-Lock wedge-locking washers are used in industries such as: energy, robotics, medical, transportation, offshore, mining and quarrying, construction and bridge building, manufacturing and processing, ship building, forestry and agriculture, heavy vehicles, and military.

This vintage lock is shaped like a fish, with a flat key, well crafted and fine workmanship. It can be treated as a collectible object, and serving as a nice gift for relatives and friends is recommended as well.

Use scene: can be used to lock box dressing box, small cabinet, password box, bag, etc.