Bosch
⏳Price
$20.99
2Pcs M35 HSS Cobalt Jobber Drill Bits, Metal Twist Drill Bit for Drilling Stainless Steel Copper Wood Plastic Aluminum (7mm)
★★★★★
$20.99
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About this item
- Material: Our cobalt drill bits are made of high-speed steel M35, which is a superhard cobalt high-speed tool steel containing 5% cobalt. It is quenched at high temperatures and has a cutting speed faster than ordinary drill bits. It usually provides three times the heat resistance, wear resistance, and chip resistance.
- Precision Engineering: The precision 135 ° self centering drill bit ensures precise positioning from the beginning, preventing "walking" or "drifting" and achieving faster penetration. After precision grinding production, it ensures smooth chip movement.
- Application: Our cobalt drill bits are designed for high-performance drilling tasks and are suitable for various materials, including hard metals, steel, aluminum, cast iron, wood, and plastic. PLEASE NOTE that this drill bit is not suitable for tiles, ceramics, concrete, walls, or stones.
- Fully ground: Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.
- Note: Place the Fried Dough Twists drill at 90 ° to the workpiece. For thick materials, multiple drilling should be carried out to prevent overheating or fracture. Using lubricants such as cutting oil or coolant, especially when drilling metal, can reduce friction, heat, and extend the life of the drill bit.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
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
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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