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Step Drill Bit Sets
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IRWIN Step Drill Bit Set, 3-Piece (10502CB) B00126KYV6
Drill bit is engineered with M-35-grade cobalt steel for maximum life when drilling in tough steel SpeedPoint tip for fast starts Drill bits feature a radial concave flute IRWIN drill bits have laser-marked sizes for simple identification Includes #1C, #2C and #3C bits, Weight: 0.2 pounds, Manufacturer: IRWIN
£108.04
Shipping: Free
Amazon

6-Piece Stepped Drill Bit Set – Hexagon Shank BPVYPYLDD-6PCSFABRICBAG
Set includes 6 stepped drill bits in common metric sizes: 20mm, 25mm, 32mm, 40mm, 50mm, and 63mm. Designed for reaming and enlarging holes, especially suited for water pipe installation and plumbing tasks. Hexagon shank ensures secure grip and minimal slippage in standard power drills or drivers. Ideal for use on plastic, PVC, and thin metal pipes commonly used in residential and commercial systems. Durable construction supports repeated use in professional and DIY pipe fitting applications.
£181.92
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

DEWALT Step Drill Bit Set, 7/8-Inch to 1-1/8-Inch (DWA1789IR) B0090IHBQE
Titanium Nitride Coated two flute spiral design provides longer life and better chip removal Split point tip increases speed Laser engraved numbers increases step visibility Optimized for impact driver usage, Weight: 0.01 pounds, Manufacturer: DeWalt
£64.92
Shipping: Free
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6-Piece Stepped Drill Bit Set – Hexagon Shank BPVYPYLDD-6PCSNOPACKAGING
Set includes 6 stepped drill bits in common metric sizes: 20mm, 25mm, 32mm, 40mm, 50mm, and 63mm. Designed for reaming and enlarging holes, especially suited for water pipe installation and plumbing tasks. Hexagon shank ensures secure grip and minimal slippage in standard power drills or drivers. Ideal for use on plastic, PVC, and thin metal pipes commonly used in residential and commercial systems. Durable construction supports repeated use in professional and DIY pipe fitting applications.
£156.67
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

Ribitech 06101 Set of 3 Step Drill Bits B00DZNJ8SO
Titanium Plated, Multi holes and Chamfer grinding your holes a precise and professional Progressive drilling in the wood, sheet metal, steel, brass, PVC, Aluminum, thermoplastic or steel. "bit the edge eliminates paper jams and vibration. 1 x Drill Bit Ø 4 mm to 12 mm Ø 4 to 20 mm Ø 4 to 32 mm drill Drill Set with 3 drill., Manufacturer: Ribitech
£15.14
Shipping: £4.49
Amazon

3PCS M35 Cobalt Step Drill Bits Set, Cone Cutter BECZQYECL
Product Sizes: Available in 4-12mm (5-step), 4-20mm (9-step), 4-32mm (15-step); total flute length: 44mm, 52.3mm, 78mm; shank diameter: 6.30mm; material: HSS-Co5. Shank: 1/4" hex shank (1/2" square to 1/4" hex adapter included). Flute: Spiral flute Reliable Design & Efficient Drilling: 118° X-type split point ensures precise positioning and reduces slipping. Hex shank provides anti-slip grip for tighter clamping. Straight flute enables rapid chip removal and prevents clogging. Made of HSS-Co5 for hardness and wear resistance. Cone structure allows multiple hole sizes with a bit, saving time and tool changes Package: Includes 3PCS HSS-Co5 step drill bits (4-12mm 5-step, 4-20mm 9-step, 4-32mm 15-step) with spiral flute design, plus 1 hex shank adapter and 1 ring pin. The free retaining ring & pin set prevents sockets from falling off the adapter. The adapter converts 1/2" square drive (common on impact wrenches) to 1/4" hex shank – essential for impact wrench use, optional for standard drills Versatile Uses: Ideal for drilling iron plate (up to 5mm thick), aluminum plate (up to 5mm thick), steel plate (up to 5mm thick), 304 stainless steel (up to 2mm thick), and other sheet materials. Ideal for metalworking, electrical installations, plumbing, DIY projects and general construction. Compatible with impact wrenches, bench drills, hand drills, cordless drills and lithium drills Notes: Important: Water cooling is required during operation – continuously apply water to cool the bit and extend service life. Verify device compatibility prior to ordering
£64.02
Shipping: Free
Amazon Marketplace - QINWUHOME

HSS4341 Spiral Cone Step Drill Bit Set MNACMMCCM-6-55MM
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.
![BRILLIANT TOOLS BT101925 Step Drill Bit Set 3-Piece Diameter 4-32 mm [Powered by KS Tools] B08TMWZSKY BRILLIANT TOOLS BT101925 Step Drill Bit Set 3-Piece Diameter 4-32 mm [Powered by KS Tools] B08TMWZSKY](https://imgcdn.pricemachine.co.uk/prx/M6373037/22471d7cbc721666cd0ef915e152dfc8/eyJ1cmwiOiJodHRwczovL20ubWVkaWEtYW1hem9uLmNvbS9pbWFnZXMvSS8zMUpOTTM1aHpmTC5fU0w1MDBfLmpwZyIsImRhdGUiOiIyMDI2MDcyMiIsInNpemUiOiIxODB4MTgwIiwiYmFzZTY0aW1hZ2UiOnRydWV9/obj.jpg)
BRILLIANT TOOLS BT101925 Step Drill Bit Set 3-Piece Diameter 4-32 mm [Powered by KS Tools] B08TMWZSKY
3-piece set for drilling, drilling and deburring in one operation with triangular shank for a firm hold and high loads made of durable HSS steel with high wear resistance for sheet metal, non-ferrous metals, plastic plates For materials up to 5 mm. In plastic case, Manufacturer: BRILLIANT TOOLS
£26.95
Shipping: Free
Amazon

4–52mm Step Drill Bit Set BPVYPYPAB
Includes step drill bits ranging from 4mm to 52mm for multiple hole sizes in a single tool. Straight flute design provides clean, precise cutting in wood, aluminum, and thin metal sheets. Titanium coating enhances surface hardness and improves resistance to wear and heat. Functions as both a drill bit and core hole opener for versatile workshop applications. Suitable for use in standard power drills—ideal for woodworking, metal fabrication, and DIY projects.
£91.57
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

IRWIN Step Drill Bit Set, General Purpose, 4-Piece (10225) B00004THZ1
Single-flute cutting edges for greater control through steps 3-flatted shanks prevents slipping in drill chuck Non-skid self-starting tips eliminate skidding and the need for center punching Sizes clearly laser-etched to make precise drilling easy Set includes HSS , 2, 4, and 21 size step drills 4 most popular Unibit sizes cover a wide range of applications SpeedPoint tip prevents "walking," gets fast starts, and eliminates the need for pilot/starting hole Single-flute cutting edge drills true, round holes with smooth, clean finish Hex shank provides secure grip in the drill chuck, Weight: 6.25E-4 pounds, Manufacturer: IRWIN
£240.31
Shipping: Free
Amazon

HSS4341 Spiral Cone Step Drill Bit Set MNACMMCCM-6-65MM
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
£95.03
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

5Pcs Stainless Steel Perforated Step Drill Bit Set BPVYPYPGV-BLUE
Includes 5 stainless steel step drill bits with perforated design and four spiral flutes for efficient chip removal. Each bit features multiple graduated diameters, offering a total of 43 common hole sizes in one set. Made from high-speed steel (HSS) and coated with titanium for increased hardness and wear resistance. Designed for clean, burr-free drilling in sheet metal, aluminum, copper, plastic, and wood. Compatible with standard power drills—ideal for HVAC, automotive, electrical, and DIY projects.
£70.85
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.
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