4-32mm Spiral Grooved Step Drill Bit Nitrogen Coated Step Drill
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4-32mm Spiral Grooved Step Drill Bit Nitrogen Coated Step Drill

$20.99
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Description: 4-32mm Spiral Grooved Step Drill Bit Nitrogen Coated Step Drill    Specification: 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.;  Type: 4-32mm(4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm);  Shank: 25 x 10mm;  Total Size: 30 x105mm;    Features: 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.    Package Included: 1 x Step Drill

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