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Plastic Drill Bits
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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.

M35 Stainless Steel Step Drill Bits Pagoda Drill Bits High Speed Steel Cobalt Reaming Drill Bits Titanium Plated Drill Bits 3Pcs Assembly
1??Titanium Coating - Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance. 2??118?? Split Point Tip...
£58.04
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OnBuy

Step Drill Bit – 1PC, 4–32mm M35 BPVYPYLDY
Single-piece step drill bit with 15 graduated steps from 4mm to 32mm for multiple hole sizes. Made from M35 cobalt high-speed steel for enhanced strength and heat resistance. Spiral flute design improves chip removal and delivers smoother cutting performance. AlTiN (aluminum titanium nitride) coating increases surface hardness and wear resistance. Suitable for clean, precise drilling in stainless steel, aluminum, and other hard materials.
£62.29
Shipping: Free
Amazon Marketplace - Shenzhen Aoxikang E-commerce Co., Ltd.

Blue Spot 3 Piece SDS Drill Bits B000LP8EZW
Manufactured from high quality heat treated steel Sandblasted finish and carbide tip for increased durability For use on concrete, mortar, brick and stone 12, 16 & 24mm 3 piece SDS Plus masonry drill bit set. Manufactured to a consistently high standard with a sandblasted finish and carbide tipped. For use on concrete, masonry, lightweight block and stone., Weight: 7.7199989680697225 pounds, Manufacturer: BLAT4
£24.49
Shipping: Free
Amazon

Bahco Step Drill bits for Metal Sheets 6-37 mm – 10 mm Shank B00TT5AM96
Extended lifespan titanium nitride coating lasts 4‑5 times longer than standard step bits Self‑lubricating surface reduces friction and heat for efficient dry drilling Precision keyhole drilling perfect for thin metal sheets with 12 sizes 6‑37mm Positive automatic centering point for accurate hole placement, Manufacturer: Bahco
£93.27
Shipping: Free
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
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