Heavy Duty Grade 8 Split Lock Washer One And Three Eighths Inch Size Made From USA Alloy Steel With Black Oxide Finish Pack Of 150 For Industrial Hardware Fastening And Mechanical Assemblies

Heavy Duty Lock Washer, Grade 8, 1 3/8 inch, USA pack 150
✔️ 1 3/8 in dia, Grade 8 alloy steel, black oxide, pack 150

This heavy split lock washer is a rugged fastening accessory designed for industrial hardware and mechanical assemblies. Made in the USA from alloy steel with a black oxide finish, it helps secure bolts and screws in high-stress, vibrating environments.

✅ Part #: 0000-125627
✅ Fastener Type: Heavy Split Lockwasher - USA
✅ Size Description: 1 3/8" nominal (actual ID is larger)
✅ Diameter/Nominal Size: 1 3/8"
✅ Material: Alloy Steel
✅ Finish: Thermal Black Oxide
✅ Country of Manufacture: United States
✅ Pack Size: 150 per pack

💡 What is a heavy-duty split lock washer used for in industrial fastener assemblies?

The handy answer explains its role in securing fasteners and maintaining clamp load in rugged, vibration-prone setups.

- Prevents loosening under vibration - Distributes load across the threaded area - Works with Grade 8 bolts and alloy screws - Common in US-made industrial assemblies