Dead On Tight M4x10mm TORX T15 Machine Screws For Carbide Inserts And Lathe Tool Holders With Knockout Grip And No Slip Precision Drive In Sleek Grey Pack Of Ten
High-Torque M4 Machine Screws With TORX Drive For Lathe Tools
✔️ M4 x 10mm TORX T15 Steel Screw Pack of 10 Grey Anti-Seize
You need these M4 machine screws to hold your carbide inserts and lathe tool holders tight during heavy cuts. This set gives you ten grey bolts with a T15 TORX drive that locks in good so you won't strip heads when working on the CNC mill or lathe.
✅ M4 (0.157 in) threaded bolt at 10mm (0.394 in) long with 6.5mm (0.256 in) thread for secure clamp hold✅ Grade 12.9 SCM435 alloy steel construction offers solid hardness and resists breaking on tough metal jobs
✅ Anti cold-welding coating keeps threads sliding smooth after heat exposure to prevent seizing in tool holders
✅ Grey finish with 60° head angle fits standard indexable insert grooves and flat seat mounting surfaces neatly
✅ Pack includes 10 pieces so you always keep spares handy for your workshop inventory and quick changes
💡 What makes TORX threaded fasteners such a handy choice for keeping carbide insert tooling locked down during vibration.
- Standard hex sockets tend to strip under heavy load while the six-point TORX cavity grips the driver firmly to eliminate slipping risk.
- Proper torque application on M4 screw studs maintains consistent pressure across ceramic and carbide insert edges to maximize surface finish quality.
- Grade 12.9 alloy builds provide superior shear resistance compared to lower grades so your machine tool holder stays rigid during aggressive passes.
- Surface treatments help block corrosion and seizure so maintenance crew can rotate worn inserts quickly without damaging the mounting hole threads.