4Pce HSS Coablt Spot Weld Drill Set 6.5mm 8mm 10mm Bits Bit Titanium M35
M35 to HRC65-67. High speed steel with Cobalt bit, Titanium coated, prevents bit dulling from over heating. Sizes: 1pcs 6.5mm, 8mm, 10mm (Length:45mm). Special centre nib design to avoid slipping.