99pcs HSS twist drill

Order No.
 Size
10010099 roll forged
10110099 fully ground 
10210099 fully ground TiN coated
10510099 fully ground cobalt

size: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5，6, 6.5, 8, 10mm