Size 12 Regular Split Lock Washer, Medium Carbon Steel, Thermal Black Oxide Finish, Pack Of 5000, Heavy Duty Shop Grade Fastener For Mechanical Assemblies, Automotive, And Home Projects

Regular Split Lock Washer #12 in Carbon Steel - Pack 5000
✔️ Size #12; ID 0.220-0.227; OD 0.377; 0.056 thick; Pack 5000

These regular split lock washers are designed to prevent loosening in threaded assemblies. Made from medium carbon steel and finished with thermal black oxide, they’re ideal for automotive, mechanical, and home projects where a reliable locking capability is needed.

✅ Size #12; ID 0.220-0.227 in; OD 0.377 in; thickness 0.056 in
✅ Material: Medium Carbon Steel
✅ Finish: Thermal Black Oxide
✅ Pack: 5000 washers for bulk shop use

💡 What is a split lock washer used for in mechanical assemblies and automotive repair? This handy fastener accessory helps keep joints tight under vibration. - It distributes load and maintains preload under movement - It resists loosening by adding spring tension to the joint - It pairs with medium carbon steel fasteners in shop and auto work