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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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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12 Step Drill Bit (6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm 45mm, 50mm, 55mm, 60mm). - Double flute design for faster cutting and deburring.
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6 Pcs Drill Bit Set: Including 3 pcs step drill bits (one 5-Step Drill Bit from 4mm to 12mm, one 9-Step Drill Bit from 4mm to 20mm and one 15-Step Drill Bit from 4mm to 32mm), 3 pcs twist drill bits (3mm, 6mm, 8mm).
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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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6 Pcs Drill Bit Set: Including 3 pcs step drill bits (one 5-Step Drill Bit from 4mm to 12mm, one 9-Step Drill Bit from 4mm to 20mm and one 15-Step Drill Bit from 4mm to 32mm), 3 pcs twist drill bits (3mm, 6mm, 8mm).
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New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter. Made from high quality HSS steel. 3Pcs 4-32mm Drill Bits + Storage Pouch. With the Titanium coated to reduce friction and heat. Heat treated and highly polished.
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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. US - Wire Connectors. UK - Wire Connectors.
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