15pcs Torx Screw M4x9mm 12.9 Grade Round Flat Head for Replaces Carbide Insert Cutters CNC Lathe Tool Black

Description: The torx screws are made of alloy steel grade 12.9 resistant to torsion strong and durable with smooth threads without burrs and even pitch. Torx Head Cap Screws are used for various types of CNC lathe tool holders/ turning tool handles/cutter discs/CNC machine etc. playing a super fastening role for replaces carbide insert. The socket cap has a small cylindrical head with a high vertical edge; a hex socket Screw is a six-sided groove for use with a Torx Wrench. Note: Due to manual measurement the actual item size may be slightly different from the listing image please allow 0.5-1mm difference. Thank you for your understanding.