M4 Hex Socket Head Cap Screws Kit With Nuts, Washers And Black Oxide Finish, 200 Pcs, Sizes 30mm, 35mm, 40mm, 45mm, 50mm, Fully Threaded Bolts In 12.9 Grade Alloy Steel, Includes Lock Washers And Flat Washers HELIFOUNER

M4 Hex Socket Cap Screw Kit with Nuts and Washers
✔️ 200 pcs in 5 lengths (30-50mm) with nuts and washers

This M4 hex socket cap screw set includes five lengths with matching nuts, lock washers, and flat washers, all neatly stored in a labeled transparent box. Made from 12.9 grade alloy steel with a black oxide finish, it delivers high hardness, wear resistance, and corrosion protection, perfect for precision work such as electronics enclosures, automotive assemblies, and linear slide unit setups, plus other precision machinery and household projects.

✅ Size: M4 x 30mm, 35mm, 40mm, 45mm, 50mm with nuts and washers
✅ Material: 12.9 grade alloy steel with black oxide finish
✅ Includes lock washers and flat washers to distribute load
✅ Pack quantity: 200 pieces in labeled box
✅ Drive type: internal hex (Allen) drive

💡 What is a hex socket head cap screw used for in precision assemblies? Hex socket cap screws are handy fasteners for flush-drive, strong mounting in many projects.
- handy for electronics, automotive, and machinery assemblies
- keeps a low profile to avoid protrusions
- works with nuts and washers for secure joints