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Step Drill Bits
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KS Tools 330.2351 HSS-TiN Step Drill Bit, ø 6-20 mm
Point sharpening according to DIN 1412 CCross grinding as point sharpeningRight-cut spiral fluted118° tip angle, 90° step angleTiN-coated surfaceHigh-performance steelCone facilitates retraction in through-drilled sheetsHigher feed rates with non-ferrous metals due to low cutting load
£31.73
Shipping: Free
Amazon

6–60mm Step Drill Bit BPVYPYLDC
Single step drill bit with size range from 6mm to 60mm for multiple hole diameters in one tool. Spiral groove and pagoda-style cone design enable smooth cutting and efficient chip removal. Triangular shank reduces slippage and improves torque transfer in standard drill chucks. Functions as both a hole opener and reamer for clean, precise holes in thin metal sheets. Suitable for use on steel, aluminum, plastic, and other common fabrication materials.
£147.17
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

M35 TiAlN Spiral Step Drill Bit Tool MNACMMCCN-OR05
Utilize M35 cobalt HSS blank to strengthen hardness against hard metal abrasion Design four spiral flutes to boost chip removal speed and eliminate drill jamming Apply uniform TiAlN coating to resist high temperature during continuous cutting work Adopt standard 1/4 inch hex shank for fast installation on all common impact drills Cover 1/8 inch to 1/2 inch aperture range to finish different size hole expansion
£67.78
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

C.K T3010 1 HSS Step Drill Bit 6
Drill hole sizes: 4, 6, 8, 10, 12, 14, 16, 18, and 20 mm ØHSS, precision ground for accurate drilling3 smooth flutes ensure a secure grip in the chuckCapacities: 4, 6, 8, 10, 12, 14, 16, 18, and 20 mm ØCenters, drills, and deburrs sheet metal in one stepMaterial: HSS
£16.95

M35 TiAlN Hex Shank Step Drill Bit MNACMMCEC-5-27MM
Reach HRC89 hardness with M35 cobalt substrate to resist abrasion on hard stainless steel Feature durable TiAlN coating to lower heat buildup during continuous metal cutting Equip standard 1/4 inch hex shank for quick lock on various impact drill equipment Adopt layered cone structure to generate clean burr-free holes on steel panels Handle long-cycle stainless steel processing without frequent tool replacement
£52.80
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

M35 TiAlN Spiral Step Drill Bit Tool MNACMMCCN-OR02
Utilize M35 cobalt HSS blank to strengthen hardness against hard metal abrasion Design four spiral flutes to boost chip removal speed and eliminate drill jamming Apply uniform TiAlN coating to resist high temperature during continuous cutting work Adopt standard 1/4 inch hex shank for fast installation on all common impact drills Cover 1/8 inch to 1/2 inch aperture range to finish different size hole expansion
£58.20
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

M35 TiAlN Hex Shank Step Drill Bit MNACMMCEC-6-35MM
Reach HRC89 hardness with M35 cobalt substrate to resist abrasion on hard stainless steel Feature durable TiAlN coating to lower heat buildup during continuous metal cutting Equip standard 1/4 inch hex shank for quick lock on various impact drill equipment Adopt layered cone structure to generate clean burr-free holes on steel panels Handle long-cycle stainless steel processing without frequent tool replacement
£70.04
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

M35 HSS-Co Titanium Straight Groove Step Drill Bit Set MNACMMCAJ
M35 HSS-Co material improves hardness and cutting performance on hard metal materials Uniform titanium coating effectively boosts surface wear resistance for long service life Straight chip removal groove discharges metal scraps smoothly during drilling operation Three complete size ranges satisfy various hole expansion demands of different workpieces Fit metal sheets and wood panels for household maintenance and light machining projects
£75.15
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

M35 TiAlN Spiral Step Drill Bit Tool MNACMMCCN-OR01
Utilize M35 cobalt HSS blank to strengthen hardness against hard metal abrasion Design four spiral flutes to boost chip removal speed and eliminate drill jamming Apply uniform TiAlN coating to resist high temperature during continuous cutting work Adopt standard 1/4 inch hex shank for fast installation on all common impact drills Cover 1/8 inch to 1/2 inch aperture range to finish different size hole expansion
£103.78
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.
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