4mm X 16mm Flat Head Hex Socket Cap Screws Pro Grade 0.7mm Pitch 10.9 Alloy Steel Black Oxide Countersunk Machine Screws Fully Threaded Metric Allen Drive 2.5mm 100 Pieces

Premium 4mm Metric Flat Head Hex Socket Screws for Tough Builds
✔️ 4mm thread diameter, 16mm length, 0.7mm pitch, 10.9 alloy steel with black oxide for 100-piece pack durability

Flat head hex socket cap screws are handy fasteners that hold parts together securely in precision machinery, automotive assembly, and construction projects, making them a go-to choice for reliable connections.

✅ Thread diameter: 4mm
✅ Head diameter: 8mm
✅ Head height: 3.4mm
✅ Screw length: 16mm
✅ Allen hex drive: 2.5mm
✅ Material: 10.9 grade alloy steel with black oxide finish
✅ Package: 100 pieces for bulk use

💡 Why use alloy steel hex socket screws in engineering setups?
The answer is: These screws deliver solid performance for tough jobs.
- Boost strength and longevity in high-pressure environments
- Offer great resistance to wear and corrosion
- Fit precisely for accurate and stable assemblies
- Work well in automotive and machinery applications