15Pcs M4X16MM Flat Head Torx Screws In High Strength 129 Steel With A Snug T15 Driver For CNC Shops And Garage Builds That Lock Tight On Every Job And Deliver Rock Solid Performance Daily
✔️ High Strength 12.9 Steel T15 Torx Bits, 5.7mm Head
This set packs fifteen high strength socket cap screws sized at four mm by sixteen mm long. Garage mechanics and CNC operators trust these black oxide fasteners to lock down tool holders, carbide insert plates, and machine components without slipping under pressure.
✅ Thread Diameter: 4mm / 0.16in, Length: 16mm / 0.63in✅ Head Cap Diameter: 5.7mm / 0.22in, Flat Slot Design
✅ Built From Dense Alloy Steel Graded 12.9 For Heavy Loads
✅ Includes Matching T15 Torx Driver Bit For Quick Installation
✅ Dark Black Oxide Coating Resists Rust And Wear Over Time
💡 What makes grade 12.9 socket head cap screws reliable for CNC machine tooling?
These fasteners deliver rock solid clamping force for workshop assemblies that face constant vibration. Here is why they stay handy on your bench:
- Tight torque retention keeps carbide inserts and cutter discs locked under heavy cutting loads
- Smooth pitch threads slide into aluminum and steel bases without galling or cross threading
- Flat head geometry seats flush against mounting plates to prevent snagging on moving spindles
- Heat resistant finish holds up to shop oils and daily coolant exposure without peeling.