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$26.99
Home/DIY & Tools/Power, Garden & Hand Tools/Power Tool Accessories/Drill Bit Sets
Dophee 10PCS HSS Double Ended Drill Bits, 4.2mm Cobalt Drill Bit Set Electrical Drilling Tool for Metal Carbon Steel Aluminum Working Rotary Tool โ€” image 1
Drill Bit SetsDopheeโœ“ In stock

Dophee 10PCS HSS Double Ended Drill Bits, 4.2mm Cobalt Drill Bit Set Electrical Drilling Tool for Metal Carbon Steel Aluminum Working Rotary Tool

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$26.99
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About this item
  • MATERIAL ๏ผšThe HSS double ended drill bits are made of 6542 high-speed steel, which is durable, high precision, very sharp and has a long service life. And the twist drill bit has accurate cutting operation and no need to worry about shaking.
  • SIZE : You will receive 10 pieces of cobalt drill bits, enough quantity to meet your daily use needs. HSS drill bits length : 52mm. Shank Diameter : 4.2mm.
  • DOUBLE END TWIST DESIGN : Each drill bit has 2 cutting points. When one cutting point is used bored and the other cutting end can be used, as another new drill bit. The double end twist design can improve drilling efficiency.
  • SPLIT POINT 135 DEG. ANGLE : No center punch is needed-- the aggrevsive 135 Deg. the 135ยฐ Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander".
  • WIDE APPLICATION : The cobalt drill bit set can be used for industrial drilling stainless steel, hard plastics, wood, spring steel pond, high carbon steel, aluminum metal all kinds of high-hard steel strength metal. And the twist drill bits set included the majority of power drill currently on the market.
Product details
Brand
Dophee
Manufacturer
Dophee
Size
4.2mm

Customer reviews

What customers say about Bigamart

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

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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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Dophee 10PCS HSS Double Ended Drill Bits, 4.2mm Cobalt Drill Bit Set Electrical Drilling Tool for Metal Carbon Steel Aluminum Working Rotary Tool | Bigamart