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Step Drill Bits
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KnKut 13 Piece Mechanics Length Step Point Drill Bit Set 1/16"-1/4" by 64ths B09VYDXN5R
Made In USA Great for hard steel, brass, sheet metal and acrylics Split point step design starts on contact, self-centers and eliminates the need for a center punch Can be used to enlarge existing holes without damaging the point Mechanics length provides a shorter sturdier construction
£72.06
Shipping: £6.74
Amazon Marketplace - Amazon US

3PCS M35 Cobalt Step Drill Bits, 4-20mm 9-Step Cone Cutter BECZAZDAZ
Product Sizes: 9-step design (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm); flute length: 52.3mm; shank diameter: 6.30mm; material: HSS M35 (HSS-Co5) cobalt steel. Features 1/4" hex shank, with 1/2" square to 1/4" hex adapter included; black spiral flute Reliable Design & Efficient Drilling: 118° X-type split point for precise positioning and anti-slip; hex shank ensures tight clamping. Black spiral flute enables smoothly chip removal, reducing resistance and clogging. M35 cobalt steel offers durability; cone structure meets multi-hole size needs, saving time Package: Includes 3PCS HSS M35 step drill bits (black spiral flute), 3 hex shank adapters, and 3 sets of retaining ring & pin (rubber O-ring + lock pin). The free retaining ring & pin set prevents sockets from falling off the adapter. The adapter converts 1/2" square drive (for impact wrenches) to 1/4" hex shank – essential for impact wrenches, optional for other electric drills. Versatile Uses: Suitable for drilling aluminum, iron, steel (≤5mm thick), and 304 stainless steel (≤1mm with hand drill, ≤2.5mm with bench drill). Ideal for metalworking, electrical, plumbing, DIY, and construction. Compatible with impact wrench, bench drill, hand drill, and cordless drill. Notes: Keep water cooling during operation to extend bit life. Do not use on concrete, tiles, glass, or other hard materials. Check device compatibility before ordering.
£63.06
Shipping: Free
Amazon Marketplace - QINWUHOME

1/8"–1/2" Titanium Step Drill Bit Set BPVYPYPAA-5PCS
Set covers incremental sizes from 1/8" to 1/2" in a single step drill bit for versatile hole drilling. Spiral flute design enables fast chip removal and smoother cutting performance. Titanium coating enhances surface hardness and improves resistance to wear and heat. Features a quick-release shank for rapid tool changes and secure fit in compatible drills. Suitable for clean, burr-free drilling in metal, wood, plastic, and other common workshop materials.
£94.89
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

M35 TiAlN Spiral Step Drill Bit Tool MNACMMCCN-OR04
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
£115.56
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

WEN DB149X 3-Piece Impact-Duty Titanium Step Drill Bit Set with #1, 4, and #9 Step Drill Bits B09BDDTCD5
Titanium aluminum nitride (TiAIN) coating maximizes protection for a longer lifespan Impact-rated heavy-duty construction perfect for impact drivers, drill presses, and more Includes a #1 drill bit with 13 steps ranging from 1/8 to 1/2 inch in diameter, a #4 drill bit with 12 steps ranging from 3/16 to 7/8 inches, and one #9 drill bit with 20 steps ranging from 3/16 to 1-1/8 inches Features 1/4-inch hex shanks, dual-spiral flutes, laser-engraved measurement information, and reinforced drill tips Hard-shelled carrying case with protective foam padding provides the perfect solution for storage and transportation
£51.06
Shipping: £7.43
Amazon Marketplace - Amazon US

PFERD 25201040 step drill bit 6-37mm for thin sheets with triangular shank
PFERD 25201040 step drill bit 6-37mm for thin sheets with triangular shank, Home, Furniture & DIY > DIY Tools & Workshop Equipment > Power Tool & Air Tool Accessories > Drill Bits
£119.19
Shipping: Free
eBay - rapidwarehouse-office

Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch KLEIN TOOLS KTSB15 SREX-LINDA-APC-B0171X0S0A
Two flutes cut faster and keep bit cooler Fast-starting, non-walking drill tip High-visibility silver targets for primary hole sizes Thick 3/8-inch Hex Shank won't round out in the drill chuck for a more positive grip 3 hole sizes, Weight: 0.4625 Pounds, Manufacturer: Klein Tools
£64.04
Shipping: Free
Amazon Marketplace - LINDA'S SECRET

Step Drill Bit #15 Double Fluted 7/8 to 1-3/8-Inch KLEIN TOOLS KTSB15 SREX-LINDA-APC-B0171X0S0A
Two flutes cut faster and keep bit cooler Fast-starting, non-walking drill tip High-visibility silver targets for primary hole sizes Thick 3/8-inch Hex Shank won't round out in the drill chuck for a more positive grip 3 hole sizes, Weight: 0.4625 Pounds, Manufacturer: Klein Tools
£68.80
Shipping: Free
Amazon

KS Tools 330.2356 HSS-TiN Step Drill Bit, ø 5-28 mm
Hand-operated HSS-TiN Step Drill BitDiameter from 5-28 mm, 7 stepsPoint ground according to DIN 1412 CRight-cutting, spiral-fluted118° point angle, 90° step angleHigh cutting performance, absolute smooth runningHigh-performance steel with TiN-coated surfaceTaper facilitates retraction when drilling through sheets, low cutting load allows higher feed rates in non-ferrous metals
£64.49
Shipping: Free
Amazon

KnKut 21 Piece Mechanics Length Step Point Drill Bit Set 1/16"-3/8" by 64ths HARDWB09VYH4S9V
Made In USA Great for hard steel, brass, sheet metal and acrylics Split point step design starts on contact, self-centers and eliminates the need for a center punch Can be used to enlarge existing holes without damaging the point Mechanics length provides a shorter sturdier construction
£202.82
Shipping: Free
Amazon Marketplace - Fast Media Ships From USA

LENOX Step Drill Bit, 1/2-Inch to 1-Inch with 3/8-Inch Shank (30882VB2) B0002438LM
Drill bits feature a 2-flute design that cuts fast, clean, round holes Enhanced flute design allows drill bits to remove chips rapidly Each drill bit has a steam-oxide treatment that adds durability Split-point design starts on contact for fast penetration and less walking Drills 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16" and 1" holes, Weight: 0.01 pounds, Manufacturer: Lenox
£51.25
Shipping: Free
Amazon

5Pcs 4241 Cobalt Cone Step Drill Bit for Drilling MNACMMCEJ-5PCSSETWITHBOX
Crafted from premium 4241 cobalt steel for stable cutting on hard metal sheets Feature layered cone structures to produce clean round holes during expansion work Handle drilling tasks on iron, aluminum, copper, steel and solid wood boards Boast smooth cutting flutes to clear metal debris quickly without drill jamming Serve as practical drilling accessories for workshop production and home repairs
£52.33
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

4241 Cobalt Step Drill Bit Set 50 Sizes BPVYPYLDB
4241 cobalt step drill bit set featuring 50 sizes for versatile drilling applications Efficient multiple hole cone bit design allows drilling various diameters with one tool Durable construction effectively cuts through metal, wood, and plastic materials Comes with a sturdy aluminum case for organized storage and easy portability Ideal tool for electricians, plumbers, and general home or industrial maintenance projects
£71.46
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

Drill America 7 Piece Cobalt Stepped Point Drill Bit Set with Quick Change Hex Shank B0FXNPTKP5
Stepped Point Cobalt Drill Bits start easier, drill faster, increase lifespan and reduce heat compared to standard drill bits They can be used to enlarge existing holes or to create new, smoother holes in a wide range of materials such as acrylics, steel, metal, brass and other hard metals Cobalt drill bits are effective in drilling tough, high tensile strength materials and have a 135° split point tip for fast penetration and accurate drilling Quick Change Drill Bits are designed for use in hand held and impact drills 7 Piece Kit includes 1/8, 3/16, 1/4, 5/16. 3/8, 7/16 and 1/2
£82.03
Shipping: £6.05
Amazon Marketplace - Amazon US

Step Drill Bit Set 5PCS, 50 Sizes HSS Titanium Coated Step Bits for Metal Stainless Steel Aluminum Iron Wood Plastic, with Aluminum Case
ãÂÂ50 Sizes in 5 Bits for VersatilityãÂÂOne set does it all. Get 50 most-needed hole sizes from just 5 step bits, eliminating the need for a bulky...
£63.95
Shipping: Free
OnBuy

KS Tools 330.2319 HSS Step Drill Bit, ø 7-40.5 mm
Point geometry according to DIN 1412 CRight-hand cutting, spiral fluted118° tip angle, 90° step angleAbsolute smooth running, high cutting performancePolished surface, high-performance steelCone facilitates retraction in through-drilled sheetsHigher feed rate with non-ferrous metals due to low cutting load
£89.23
Shipping: Free
Amazon

KnKut 29 Piece Drill Buddy Mechanics Length Step Point Drill Bit Set 1/16"-1/2" by 64ths B0C46RHQZG
Made In USA; Great for hard steel, brass, sheet metal and acrylics; Split point step design starts on contact, self-centers and eliminates the need for a center punch; Can be used to enlarge existing holes without damaging the point; Mechanics length provides a shorter sturdier construction; Sizes: 1/16 - 1/2 by 64ths
£280.76
Shipping: £11.23
Amazon Marketplace - Amazon US

M35 Cobalt HSS Step Drill Bit – 3/16" to 7/8" BPVYPYPGY
Step drill bit made from M35 cobalt high-speed steel for enhanced durability in demanding applications. Graduated sizes from 3/16" to 7/8" allow multiple hole diameters with a single tool. Features four spiral flutes for efficient chip removal and smoother drilling performance. Coated with TiAlN (titanium aluminum nitride) for improved wear and heat resistance. Suitable for clean, precise drilling in metal, stainless steel, aluminum, wood, and plastic.
£62.29
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.
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