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Hss Step Drill Bits
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Drill America #4 HSS Black & Gold Step Drill Bit (3/16" - 7/8" by 1/16") 1-4145-B09B813S3B-887861305648
Black and gold surface treated Single bit can be used for drilling a wide range of hole sizes in metal, plastic and wood Single radial concave flute crates perfectly round holes in metal, plastic wood and other thin materials without center punching Contructed of industrial grade high-speed molybdenum steel, heat-treated and temperature for long life No center punching needed, automatically deburrs top side of hole. Ideal for steel, copper, aluminum and other thin materials
£54.80
Shipping: £7.56
Amazon Marketplace - DINAN

TIVOLY 11448520420 HSS Conical Step Drill Bit, Steel B07P58343H
Ideal for precision drilling or enlarging from 4 to 20 mm Precise centering thanks to self-centering sharpening No pre-drilled holes required Special drilling sheet metal and plastic (max 3 mm) Helical stud for better chip removal, Weight: 0.13668660244 pounds, Manufacturer: TIVOLY
£31.21
Shipping: Free
Amazon

source: Amazon
Ruko Step drill bit HSS-G (101050-9)
Step drill bit with drilling range from 4 to 12 mmHSS material with spiral flute design9 steps for precise drillingTip angle of 118 degrees and step angle of 90 degrees2 cutting edges with double cross grinding for high cutting performanceTaper facilitates withdrawal in pierced sheetsOverall length of 65 mm and shank diameter of 6 mm
£22.22

KS Tools 330.2337 HSS Co 5-step drill bit, ø 6-30.5 mm
Spiral-fluted drill bit with cross-cutRight-hand cutting for absolute running smoothnessWeight: 0.15 kgDiameter: 6 30.5 mmOverall length: 80 mm, shank diameter: 10 mmMaterial: cobalt-alloyed high-performance steel, surface: brightApplication area: sheets / non-ferrous metals
£49.19
Shipping: Free
Amazon

5Pcs HSS Cobalt Titanium Step Drill Bit Set MNACMMCEL
This set includes five HSS cobalt titanium conical step drill bits for processing Offers fifty different hole sizes to match various hole expansion construction tasks Integrated conical cutting structure helps form smooth round holes on plates Composite cobalt titanium material improves cutting performance on hard metals Universal perforator tool suitable for daily maintenance and workshop machining
£54.92
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

Typecat HSS Step Drill Bit Set of 30,4-12mm 4-20mm 4-32mm Cone Titanium Wood Metal Hole Cutter Hex Shank Drive Quick Change Tool
[Widely Used]Perfect Step Drill Bits suitable for drill holes in various material: within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate);...
£55.60
Shipping: Free
OnBuy

Semoic HSS Step Drill Bit Set of 30,4-12mm 4-20mm 4-32mm Cone Titanium Wood Metal Hole Cutter Hex Shank Drive Quick Change Tool
[Widely Used]Perfect Step Drill Bits suitable for drill holes in various material: within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate);...
£52.37
Shipping: Free
OnBuy

HSS4341 Spiral Cone Step Drill Bit Set MNACMMCCM-6-60MM
Manufactured from premium HSS4341 high speed steel for stable metal cutting performance Adopt spiral flute design to discharge steel chips smoothly without drill blockage Offer three common aperture ranges 6-55mm, 6-60mm, 6-65mm for various steel machining Feature layered cone structure to form neat burr-free holes on thick steel plates Support long-time continuous drilling operation for industrial steel processing work
£83.59
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

3Pcs M35 HSS Titanium Spiral Step Drill Bit Set MNACMMCEE
Adopt premium M35 cobalt high speed steel for tough long-term metal cutting tasks Equip four spiral flutes to accelerate chip evacuation and avoid drill bit blockage Apply uniform titanium coating to reduce abrasion and cutting resistance effectively Support hole sizes ranging from 1/8 inch to 7/8 inch for multiple expansion needs Match most impact drills to process iron, aluminum sheets and solid wooden boards
£76.76
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

5Pcs HSS 4241 Cobalt Step Drill Bit Set MNACMMCGE
Made of HSS 4241 cobalt material for stable drilling performance Offers up to 50 different hole sizes to meet various machining demands Equipped with an aluminum case to organize all drill bits tidily Cone bit structure creates clean round holes on metal and wood Widely used as daily drilling tools for workshop and home projects
£62.53
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

TIVOLY 11448520637 HSS Conical Step Drill Bit, Steel B07P5DR3DM
Ideal for precision drilling or enlarging from 6 to 37 mm Precise centering thanks to self-centering sharpening No pre-drilled holes required Special drilling sheet metal and plastic (max 3 mm) Helical stud for better chip removal, Weight: 0.5291094288 pounds, Manufacturer: TIVOLY
£68.97
Shipping: Free
Amazon
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