Grey Torx Screw 3.5 mm 8/9/10/12 Mm Long Pack Of 100 ER NUT FOR COLLET Knurling pressure is absorbed between

Knurling pressure is absorbed between two knurls

They are precise screw for a better grip of the carbide insert with pockets

35 Degree Helix Angel

000 rpmsConcentricity is less than

Mazak SK40 Pull stud used in CNC machines for BT40 holders

Grey Torx Screw 3.5 mm 8/9/10/12 Mm Long Pack Of 100 ER NUT FOR COLLET Knurling pressure is absorbed betweenGrey Torx Screw are also of normal screw quality, it's just a grey coating. Hardened Star Torx Screw for Milling Cutters offered are screws that come with precision design and constructed standards. These torx screw are hardened up to 50 55 HRC for wear resistance. These Torx screw are mainly used in indexable tools as Boring bar, Insert cutter , milling cutter. They are precise screw for a better grip of the carbide insert with a pocket.