8pcs M2 HSS Silver Deming 12 Inch Reduced Shank Twist Drill Bit
Material: M35, M42, M2, 4241, 4341
Diameter: 2.5mm, 3mm, 4mm, 5mm
Size Include: 9/16" - 5/8" - 11/16" - 3/4" - 13/16" - 7/8" - 15/16" - 1" x 8 pcs with 1/2" Shank
Standars: DIN338, DIN1897, DIN340, DIN1869, DIN345, DIN333
Process: roll forged, rolled polished(half fully ground) , fully ground , milled