Grey Torx Screw 4mm 8/10/12/14 Mm Long Pack Of 100 Size:4X12 as a small-diameter shank can

as a small-diameter shank can be held in a standard collet chuck

SPMG090408 U drill mostly range from 28mm

Shank Size : Morse Taper 1 Overall length : 5 15/16" ( 150mm )

Shank Size : Morse Taper 3

Flute Length of Ballnose is double of diameter if diameter is 1 mm flute length will be 2 mm same for other sizes

Grey Torx Screw 4mm 8/10/12/14 Mm Long Pack Of 100 Size:4X12 as a small-diameter shank canGrey Torx Screw are also of normal screw quality; it's just a grey coating. Hardened Star Torx Screw for Milling Cutters are designed with precision and constructed to standards. These torx screw are hardened up to 50 55 HRC for wear resistance. These Torx screw are mainly used in indexable tools, such as boring bars, insert cutters, and milling cutters. They are precise screw for a better grip of carbide inserts with pockets.