DB-S1 HSS Spiral Step Drill Bit Set - 3Pcs 4-12mm, 4-20mm, 4-32mm

Product Description

Description: DB-S1 3Pcs 4-12/4-20/4-32 HSS Spiral Grooved Step Drill Bit Specification: Model: DB-S1 Color : Golden (as picture shown) Material: High speed steel Surface: Titanium Plated Scop: Thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber. 4 - 12 mm 9 Steps (4mm,5mm,6mm,7mm,8mm,9mm,10mm,11mm,12mm),7cm(L) 4 - 20 mm 9 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm),7cm(L) 4 - 32 mm 15 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm),10cm(L) Features: - No need for a pilot hole. - Titanium coated to reduce friction and run cooler. - Large bit has 3 sided shank. - 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 Pc x 4-12mm Spiral Grooved Drill 1 Pc x 4-20mm Spiral Grooved Drill 1 Pc x 4-32mm Spiral Grooved Drill More Details: