Color: Black (as picture shown)
Material: High Speed Steel
Surface: Nitrogen treatment (increasing the hardness and abrasion resistance)
Shank: Triangle round handle
Scop: Thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.
Shank: 25 x 10mm
Total Size: 30 x105mm
No need for a pilot hole.
Nitrogen 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.
1 x Step Drill
Material:High Speed Steel 4241
Shank:Triangle round handle
Surface Treatment:nitrogen treatment
Shank:10mm,stepped:(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm (increasing the hardness and abrasion resistance)
Nitriding gold spiral groove drilling ladder 4-32MM