HSS Step Drill Bits 4mm-20mm Spiral Groove Power Tools Triangular Handle Wholesale Price High Quality Metal Drilling Titanium |

HSS Step Drill Bits 4mm-20mm Spiral Groove Power Tools Triangular Handle Wholesale Price High Quality Metal Drilling Titanium

Features :

100% brand new and high quality.
HSS Spiral grooved Step Drill Bits Cut Tool Set.
Titanium coated to reduce friction and run cooler
Automatically deburr holes as you drill
High speed steel,durable.
Widely used to cut holes in a variety of material like steel, wood, thin iron,
aluminum alloy, insulation boards, PVC sheet,ect

Specification :
Color : as picture show
Material :High speed steel(Suitable for use in the hardness below 25 degrees of
workpiece, such as carbon steel, aluminum parts)
Surface treatment : Titanium
Scop : thin iron plate,aluminum,insulation panels,PVC panels 5mm thickness within the timber.

Tyep:9steps(4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm)

shank:Triangular handle

Package included :

1*4-20mm Hex Shank Step Drill Bit

(packed safely bubble bag)