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$9.08
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Drill Bit SetsCoocnhโœ“ In stock

3PCS HSS Step Bits, High Speed Steel Step Drill Bits Set - (4-12mm, 4-20mm and 4-32 mm) Cone Drill Bits Hole Cutter for DIY Plastic Wood Metal Aluminum Copper

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$9.08
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About this item
  • VERSATILE SET: Three-piece HSS step drill bit set with sizes 4-12mm, 4-20mm, and 4-32mm for precise hole cutting in metal, plastic, aluminium and wood
  • TITANIUM COATING: Premium titanium-coated high-speed steel construction enhances durability and reduces friction during drilling operations
  • STEP DESIGN: Graduated steps with clear size markings allow for drilling multiple hole diameters with a single bit, increasing efficiency
  • HEXAGONAL SHANK: Quick-change hex shank design ensures secure fitting in power drills and prevents slipping during operation
  • STORAGE SOLUTION: Includes a compact storage case with individual slots for each bit, ensuring organisation and protection when not in use
Product description

Warm Tips Pls cool down with water when working because of the high temperature,so that the validity period can last longer. The speed is advised to be 250-400 RPM/Min Cut through wood, sheet metal, steel and other surfaces thickness under 5mm. Length: 5 Step Bit: 4-12mm,Length: Approx. 6.7cm/ 2.64" 9 Step Bit: 4-20mm,Length: Approx. 7.4cm/ 2.91" 15 Step Bit: 4-32mm,Length: Approx. 10.2cm/ 4.02" The 3 Cutters Come in the Following Sizes: 5 Step Bit: 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); 9 Step Bit: 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); 15 Step Bit: 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm). Package included: 1 x Set of 3 pcs Titanium Drill Titanium Hss conical 4-12/20/32 mm (included a nylon carrying bag)

Product details
Brand
Coocnh
Manufacturer
Coocnh
Material
High Speed Steel (HSS)
Part number
Coocnh02

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What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1โ€“2 of 10 reviews

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