M4 Flat Head Hex Socket Cap Screws Set Includes 8Mm 12Mm 16Mm 20Mm 25Mm Lengths, Built Tough 100Pcs, 10.9 Grade Alloy Steel, Black Oxide Finish, Fully Threaded, Metric Allen Hex Drive, Countersunk Bolts Assortment Kit

M4 Hex Socket Cap Screws Set, 100Pcs, 8-25mm lengths
✔️ M4 hex cap screws, 8-25 mm, 100 pcs, black oxide finish

These M4 flat head hex socket cap screws deliver strong securing power for metal frames, panels, and enclosures. Ideal for automotive, electronics housings, and DIY projects requiring flush, countersunk fasteners.

✅ Material: 10.9 grade alloy steel with black oxide finish
✅ Thread diameter: M4 (4 mm), pitch 0.7 mm
✅ Head diameter: 7.8 mm; head height 3.4 mm
✅ Drive type: Allen hex socket 2.5 mm
✅ Lengths included: 8, 12, 16, 20, 25 mm (20 pcs each)
✅ Pack total: 100 pcs

💡 What is an M4 hex socket cap screw set used for in metal projects and equipment assemblies?

These handy fasteners provide secure, flush mounting in multiple applications. - High-strength 10.9 grade alloy steel with black oxide finish - Includes 5 lengths (8-25 mm) totaling 100 pieces - Fully threaded countersunk bolts for clean appearance and strong grip