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Step Drill Bits
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3/5PCS Titanium HSS Spiral Flute Step Drill Bit Set MNACMMASL-5PCS
Titanium coating covers the drill surface to improve wear resistance for metal processing Four spiral flute design quickly removes metal scraps and avoids drill bit blockage Standard 1/4 inch hex shank connects tightly with most handheld electric drill machines 50 different available sizes satisfy all kinds of daily metal hole machining demands Optional 3pcs or 5pcs sets to match light and heavy workshop processing needs
£75.24
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

Tivoly 11448620412 HSS Conical Step Drill Bit Straight Grooves Steel B07ZG97627
Ideal for precision drilling or enlarging from 4 to 12 mm Precise centering thanks to self-centering sharpening No pre-drilled holes required Special drilling sheet metal (max 3 mm) and plastic, Manufacturer: TIVOLY
£19.14
Shipping: £4.49
Amazon

Tivoly 11438720430 HSS TiAlN Conical Step Drill Bit, Black B009ZCXD4E
Ideal for precision drilling or enlarging from 4 to 30 mm Precise centering thanks to self-centering sharpening No pre-drilled holes required Special drilling for sheet metal, tubes and heavy duty steels Hss+ TIALN coating for longer life, Weight: 0.220462262 pounds, Manufacturer: TIVOLY
£61.36
Shipping: Free
Amazon

1/3PCS HSS Cobalt Step Drill Bit Set BPVYPYPAG-3PCSWITHBOX
Available as a single piece or 3-piece set, covering sizes from 4mm to 32mm for multiple hole diameters. Made from high-speed steel (HSS) with cobalt and nitrogen surface treatment for improved durability. Spiral flute design ensures efficient chip removal and smoother cutting in demanding applications. Triangle shank provides better grip and reduces slippage in standard drill chucks. Optimized for clean, precise drilling in metal, stainless steel, aluminum, and other hard materials.
£83.03
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

IRWIN Step Drill Bit 5-35Mm (13 Holes) in Black M0038548111056
The Irwin Step Drill Bits are designed for precise drilling in thin materials and have a single flute for maximum drilling control into sheet metal. Their unique flute design ensures perfect round holes in sheet metal. A fluted shank also prevents the drill bit from slipping in the chuck, along with a self centring point that will not walk and eliminates centre punching. Made from industrial grade M7 high-speed steel. Irwin Step Drill Bit. Number of hole sizes: 13.Hole diameters: 5, 7.5, 10, 13, 16, 19, 21, 23, 26, 29, 31, 33, and 35. | IRWIN Step Drill Bit 5-35Mm (13 Holes) in Black
£71.37
Shipping: Free
Debenhams UK

M2 Cobalt HSS Titanium Step Drill Bit Hex Shank Tool MNACMMCEG
Constructed with M2 cobalt HSS base to deliver outstanding wear resistance performance Covered with uniform titanium coating to lower friction during continuous cutting Feature standard 1/4 inch shank for quick mounting on most impact drill devices Cover aperture range from 7/8 inch to 1-3/8 inch to meet diverse expansion demands Fit various metal processing projects with stable cutting and long service lifespan
£68.94
Shipping: Free
Amazon Marketplace - Dongyuan County Hanwei E-Commerce Co., Ltd.

Loops 3 Piece HSS 4341 Spiral Flute Step Drill Bit - 3 Sizes - Precision Hole Drilling Clog-Free-Swarf-Double-Spiral-Flute-Drill-Bit
3 Piece HSS 4341 Spiral Flute Step Drill Bit - 3 Sizes - Precision Hole Drilling Overview: Three high-speed HSS 4341 double spiral flute step...
£82.49
Shipping: Free
OnBuy

NEIKO 10181A Step Drill Bit Set, 3 Piece, Spiral Grooved for Faster Drilling, Step Bits for Stainless Steel, Metal, Wood, Plastic, Unibit Cone Drill Bits with 31 Step Sizes Total B07B4LCWC4
PREMIUM STEP BIT: Each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength to punch and drill clean holes in materials like plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal. STEP DRILL BIT FOR METAL: With a split point tip that accelerates cutting speed while preventing angled walking away from center line of bore, drilling holes in metal is fast, efficient, and clean. SPIRAL DESIGN: The two-flute spiral grooved design deburrs chip, dust and debris for clearance and smooth cutting. With 31 step sizes, each hole made with these step bits will be precise. QUICK-CHANGE: The 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools. INCLUDES: Each bit set comes with 3 drill bits of a combined 31 sizes to add to your drilling arsenal: 13 step drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch) 6 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 step drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)., Weight: 6.25E-4 pounds, Manufacturer: Neiko
£23.92
Shipping: Free
Amazon

Timco Step Drill Bit 4-39mm - HSS Deburring Drill Metal & Alloy Hole Enlarger
Timco Step Drill Bit 4-39mm - HSS Deburring Drill Metal & Alloy Hole Enlarger, Home, Furniture & DIY > DIY Tools & Workshop Equipment > Power Tool & Air Tool Accessories > Drill Bits
£107.13
Shipping: Free
Base price: £107.13 / Unit
eBay - tanddsupplies

TIVOLY 11448620637 HSS Conical Step Drill Bit Straight Grooves Steel B07ZG96DDB
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 (max 3 mm) and plastic, Manufacturer: TIVOLY
£53.36
Shipping: Free
Amazon
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