๐ŸŒ Worldwide shipping ยท 30-day returns ยท Rated Excellent on Trustpilot โ˜…โ˜…โ˜…โ˜…ยฝ
Price
$62.99
BOSCH CO2141B 1-Piece 7/32 in. x 3-3/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum โ€” image 1
Jobber Drill BitsBoschโœ“ In stock

BOSCH CO2141B 1-Piece 7/32 in. x 3-3/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

โ˜…โ˜…โ˜…โ˜…โ˜…
$62.99

Options

2 available
Worldwide shipping
Fast tracked delivery
30-day returns
Hassle-free returns
Secure checkout
Safe & protected
Great service
Thousands of happy customers
About this item
  • Cobalt M42 drill bit โ€“ provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
  • Enhanced M42 alloy material โ€“ contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
  • High-heat resistant bits โ€“ withstand high-temperature applications for extended periods of time
  • Thick web-helix design โ€“ provides additional stability in tough applications
  • Surface-hardened tip โ€“ penetrates tough abrasive materials
Product description

BOSCH Cobalt M42 metal drill bits are engineered with upgraded M42 alloy, containing 8% cobalt. These hard-core Cobalt bits deliver 10x life vs. Standard bits, are jobber length and withstand high-heat applications. The thick web-helix design delivers fast material removal and increased stability. Bits that are 1/8 in. And larger feature a split point; bits 3/16 in. And larger feature a three-flat shank, for better bit grip. These Cobalt drill bits provide superior performance in stainless steel and can be used to drill cast iron, titanium and other hard or abrasive metals.

Product details
Brand
Bosch
Manufacturer
BOSCH
Material
Cobalt
Colour
Black
Size
7/32 x 3-3/4 Inch (Pack of 1)
Model number
CO2141B
Part number
CO2141B
EAN
0000346594539

Customer reviews

What customers say about Bigamart

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

Trustpilot
โ˜…โ˜…โ˜…โ˜…โ˜…
Excellent
4.5 average rating
See all reviews โ†’
S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
โ˜…โ˜…โ˜…โ˜…โ˜…

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
โ˜…โ˜…โ˜…โ˜…โ˜…

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

You might also like

Similar items

View all โ†’