Made of high quality HSS steel, hard and wear-resistant. Suitable for a variety of materials, can easily punch holes in wood, aluminum, plastic boards, insulating boards and other materials. Face shank design to prevent slippage when chucking.
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Specification: Type: Step Drill Bit Material: High speed steel (HSS) Coated: Blue Coated Sizes: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) Package Including: HSS Step Drill Bit Set.
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Area of application: Hand Drill, Lithium Drill, Impact Drill. Premium M35 6% Cobalt Steel ,66-69 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
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Your understanding is highly appreciated.
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New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter. Made from high quality HSS steel. Single Step Drill Size With the Titanium coated to reduce friction and heat. Note: NOT For brass,copper, fibreglass and Steel etc.
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Neilsen Step Drill HSS Cobalt Cone Bit Hole Metal Cutter Tool 4 - 30mm Step drill bit, with deburring tool, HSS-E Cobalt 5%, 4-30 mm 5% Cobalt alloy for maximum tool life and cutting ability Size: 4,6,8,10,12,14,16,18,20,22,24,26,28,30mm for materials up to 4mm thickness integrated edge breaker for simultaneous and double-sided deburring of sheets up to 1mm thickness.
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Material: High-speed Steel (HSS 4241). Shape of Shank : Triangular. Type: Drill Bit. 1 x Step Drill Bit 4-12mm. 1 x Step Drill Bit 4-20mm. 1 x Step Drill Bit 4-32mm. Shape: Straight. Color: Gold.
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Material: HSS Steel. 4-12 mm (4, 5, 6, 7, 8, 9, 10,11,12mm) 4-20 mm (4, 6, 8, 10, 12, 14, 16, 18, 20mm) 4-32 mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm). 1 Pcs x 4-32mm Step Cone Drill.
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