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Plastic Drill Bits
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Step Drill Stepped Drill Bits Industrial Grade Speed Steel Spiral Cutting Tools Drilling Holes for Aluminum Stainless Steel Pp Wood Black
1.Enhanced Wear Resistance: The speed steel step drill features wear and fatigue resistance, offering extended durability. Its solid structure...
£73.72
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OnBuy

Bosch MP500T Drill Bit Set, 5 Piece B00XNFDK6U
Upgraded multi-grind heads – deliver up to 85% faster drilling in metal than standard bits Hex shanks and impact rated – allows use in impact drivers and hammer drill/drivers for added versatility Sharp ground cutting edges – designed for advanced performance Steep flutes with ribs – deliver fast material removal in multiple materials Multi-application design – offers drilling in masonry, brick, block, tile, metal, wood and plastic.Long-life construction – provides up to 9x life in multi-material applications than standard bits, Weight: 0.12 Pounds, Manufacturer: Bosch
£24.52
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Amazon

3PCS Step Drill Bit for Metal – 1/8" to 7/8" BPVYPYPAZ
Set of 3 step drill bits covering sizes from 1/8" to 7/8" for versatile hole drilling in one tool per bit. Spiral flute design ensures efficient chip removal and smoother cutting performance. Coated with AlTiN (aluminum titanium nitride) for enhanced wear resistance and extended tool life. Optimized for use on stainless steel, mild steel, aluminum, and other metals without cracking or burring. Suitable for HVAC, automotive, electrical, and general metalworking applications.
£91.57
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

3PCS M35 Cobalt Step Drill Bits, 4-20mm 9-Step Cone Cutter BDCPCQZYL
Product Sizes: 9-step design (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); flute length: 55mm; 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 straight 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 straight 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 standard 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.
£59.69
Shipping: Free
Amazon Marketplace - QINWUHOME

5Pcs Stainless Steel Perforated Step Drill Bit Set BPVYPYPGV-BLACK
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.
£70.07
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

Step Drill Bit – 1PC, 4–12mm M35 BPVYPYPAP
Single-piece step drill bit with graduated sizes from 4mm to 12mm for multiple hole diameters. Made from M35 cobalt high-speed steel for enhanced durability and heat resistance. Features spiral flutes for efficient chip removal and smoother cutting action. AlTiN (aluminum titanium nitride) coating provides excellent wear and corrosion resistance. 1/4" hex shank fits securely in standard power drills and impact drivers.
£96.47
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.
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