Heavy Duty M5x17mm Torx T20 Screws Rock Solid Build For Lathe Tool Holders And Carbide Insert Mounts Top Shelf Fasteners Precision Machined Steel Gray Ten Pack
✔️ M5x17mm T20 drive screws Grade 12.9 steel anti seize
This pack of ten precision fasteners is built for heavy duty machining jobs like securing lathe tool holders and mounting carbide inserts. These socket head cap bolts handle high vibration environments and deliver consistent clamping force across CNC setups. They fit standard T20 drivers and resist seizing after repeated heating cycles.
✅ Thread Size = M5 (0.197")✅ Total Length = 17mm (0.669")
✅ Pitch = 0.8mm (0.032")
✅ Drive Type = TORX T20
✅ Recess Depth = 1.8~2.0mm (0.071"~0.079")
✅ Grade = 12.9 SCM435 Alloy Steel
💡 What grade of heat treated steel delivers optimal torque retention for lathe bolt assemblies?
Picking the proper alloy keeps your setup handy under heavy cutting stress.
- High tensile fastener threads prevent shearing during index plate swaps
- Cold weld resisting coatings stop seizure after long milling sessions
- Precision chamfered heads seat flush against carbide pocket bases securely
- Machine shop approved grading standards guarantee repeatable clamp accuracy