420mm Titanium Coated Spiral Grooved Step Drill Shank HSS Step Drill Bit

HSSSpiralGroovedStepDrill4-20mm

Features:
Noneedforapil0thole
Titaniumcoatedtoreducefrictionandruncooler
Highspeedsteel,durable.
HSS Drill Bit Set For Wood, Plastic and Aluminum, Copper, Steel
Ideal For DIY, Home and General Building/Engineering Using

Specification:
:Gold (aspictureshown)
Material:HighSpeedSteel
Surface: Nitrogen treatment (increasing the hardness and abrasion resistance)
Shank:Triangle round handle
Scop:thinironplate,aluminum,insulationpanels,PVCpanels4mmthicknesswithinthetimber.
Model: 4-20mm(4,6,8,10,12,14,16,18,20mm),Shank:25 x 7mm

Packageincluded:
1x4-20mmHSSDrill【Buy 1 Get 1 Free】








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