Description
5/16 In. X 4-1/2 In. Cobalt M42 Drill Bit
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.
Features
Cobalt M42 drill bit – 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 – contains 8% cobalt alloy that delivers 10X life vs. standard bits
High-heat resistant bits – withstand high-temperature applications for extended periods of time
Thick web-helix design – provides additional stability in tough applications
Surface-hardened tip – penetrates tough abrasive materials
Split points on bits 1/8 In. and larger – allow for easy starts with no skating, eliminating the need for a center punch
Three-flat shank on bits 3/16 In. and larger – deliver better bit grip
Specifications
Acme Tools Brand Name
BOSCH
Acme Tools Part Number
CO2147B
Assembled Weight (lbs)
0.080000
Bit Diameter
5/16 In.
Bit Material
Cobalt
Bit Type
Twist
California Proposition 65 Warning Required
Yes
Country of Origin
China
Diameter
5/16 in
Flute Length (in)
3.189000
globalTradeItemNumber (GTIN)
00000346594553
Internal Supplier Part #
2610048183
Internet Product Code (IPC)
AA86C251008
Length (in)
4.500000
Manufacturer Warranty
Product Defects Only
Minimum Chuck Size Required
3/8 in
Package Quantity
1
Package Weight
0.08
Package Weight (lbs)
0.08
Recommended Safety Equipment
Eye, ear and dust protection
Set / Individual
Individual
Shank Diameter
0.312500
Shank Diameter (in)
0.312500
Single / Double Ended
Single
Surface Coating
Bright
UPC
000346594553
