Industrial Drill Bits HSS Step Drill Bit Set 4-12mm 4-20mm 4-32mm TiCN Coated Core Drill Bit Wood Metal Hole Drilling(3pcs Set)
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Industrial Drill Bits HSS Step Drill Bit Set 4-12mm 4-20mm 4-32mm TiCN Coated Core Drill Bit Wood Metal Hole Drilling(3pcs Set)
Material: High Speed Steel (HSS)
This is HSS High Speed Steel Step Drill, which is made from high quality HSS steel, and with the TiCN coated to reduce friction and heat
It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc.(Thickness under 0.4mm )
Usually used to mark the center of a point, the small dimple guide the tip of the drill and avoids slip or deviation which result in damaging
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