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Bosch CO2147B 5/16 in. X 4-1/2 in. Cobalt M42 Drill Bit

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bosch co2147b 516 in x 4-12 in cobalt m42 drill bit

$ 6.99

Last price was updated on: 14th Dec 2025, 12:59 PM

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Pricing Analytics & Buying Assistance

Price Score: Good

Poor Average Good Excellent

Current Price $6.99

$2.99

Lowest

$11.79

Highest

Buying Advice:
Good – Worth buying.

Price History Benchmarks

Lowest Ever

$2.99

10th Aug 2023

Highest Ever

$11.79

10th Apr 2021

Average Price

$7.11

95 data points

Last 3M Low

$6.99

20th Nov 2025

Last 6M Low

$6.99

15th Jul 2025

Last 12M Low

$5.99

13th Mar 2025

Price History Chart

Product Variants

Image of BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

BOSCH CO14B 14-Piece Assorted Set with Included Case - Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

Image of BOSCH CO21B 21-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

BOSCH CO21B 21-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

Image of Bosch CO2141B 7/32 in. X 3-3/4 in. Cobalt M42 Drill Bit

Bosch CO2141B 7/32 in. X 3-3/4 in. Cobalt M42 Drill Bit

Image of Bosch CO2131B 1/16 in. X 1-7/8 in. Cobalt M42 Drill Bit

Bosch CO2131B 1/16 in. X 1-7/8 in. Cobalt M42 Drill Bit

Image of BOSCH CO2151B 1-Piece 3/8 in. x 5 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

BOSCH CO2151B 1-Piece 3/8 in. x 5 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

Image of BOSCH CO2131B 1/16 in. x 1-7/8 in. Cobalt M42 Drill Bit (Pack of 2)

BOSCH CO2131B 1/16 in. x 1-7/8 in. Cobalt M42 Drill Bit (Pack of 2)

Image of BOSCH CO2159B 1-Piece 1/2 in. x 6 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

BOSCH CO2159B 1-Piece 1/2 in. x 6 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

Image of BOSCH CO2135B 1/8 in. x 2-3/4 in. Cobalt M42 Drill Bit (Pack of 2)

BOSCH CO2135B 1/8 in. x 2-3/4 in. Cobalt M42 Drill Bit (Pack of 2)

Image of BOSCH CO2139B 3/16 in. x 3-1/2 in. Cobalt M42 Drill Bit (Pack of 2)

BOSCH CO2139B 3/16 in. x 3-1/2 in. Cobalt M42 Drill Bit (Pack of 2)

Image of BOSCH CO2137B 5/32 in. x 3-1/8 in. Cobalt M42 Drill Bit (Pack of 2)

BOSCH CO2137B 5/32 in. x 3-1/8 in. Cobalt M42 Drill Bit (Pack of 2)

Image of BOSCH CO2138B 11/64 in. x 3-1/4 in. Cobalt M42 Drill Bit (Pack of 2)

BOSCH CO2138B 11/64 in. x 3-1/4 in. Cobalt M42 Drill Bit (Pack of 2)

Image of Bosch CO2134B 7/64 in. X 2-5/8 in. Cobalt M42 Drill Bit

Bosch CO2134B 7/64 in. X 2-5/8 in. Cobalt M42 Drill Bit

Image of Bosch CO2147B 5/16 in. X 4-1/2 in. Cobalt M42 Drill Bit

Bosch CO2147B 5/16 in. X 4-1/2 in. Cobalt M42 Drill Bit

Image of BOSCH CO2141B 7/32 in. x 3-3/4 in. Cobalt M42 Drill Bit (Pack of 2)

BOSCH CO2141B 7/32 in. x 3-3/4 in. Cobalt M42 Drill Bit (Pack of 2)

Image of Bosch CO2131B 1/16 in. X 1-7/8 in. Cobalt M42 Drill Bit

Bosch CO2131B 1/16 in. X 1-7/8 in. Cobalt M42 Drill Bit

Image of BOSCH CO2151B 3/8 in. x 5 in. Cobalt M42 Drill Bit (Pack of 2)

BOSCH CO2151B 3/8 in. x 5 in. Cobalt M42 Drill Bit (Pack of 2)

Image of BOSCH CO2155B 1-Piece 7/16 in. x 5-1/2 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum (Pack of 4)

BOSCH CO2155B 1-Piece 7/16 in. x 5-1/2 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum (Pack of 4)

Image of Bosch CO2131B 1/16 in. X 1-7/8 in. Cobalt M42 Drill Bit

Bosch CO2131B 1/16 in. X 1-7/8 in. Cobalt M42 Drill Bit

Image of Bosch CO2155B 7/16 in. X 5-1/2 in. Cobalt M42 Drill Bit

Bosch CO2155B 7/16 in. X 5-1/2 in. Cobalt M42 Drill Bit

Image of Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit

Bosch CO2135B 1/8 in. X 2-3/4 in. Cobalt M42 Drill Bit

Image of Bosch CO2137B 5/32 in. X 3-1/8 in. Cobalt M42 Drill Bit

Bosch CO2137B 5/32 in. X 3-1/8 in. Cobalt M42 Drill Bit

Image of Bosch CO2139B 3/16 in. X 3-1/2 in. Cobalt M42 Drill Bit

Bosch CO2139B 3/16 in. X 3-1/2 in. Cobalt M42 Drill Bit

Image of BOSCH CO2138B 1-Piece 11/64 in. x 3-1/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

BOSCH CO2138B 1-Piece 11/64 in. x 3-1/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

Image of BOSCH CO2143B 1-Piece 1/4 in. x 4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

BOSCH CO2143B 1-Piece 1/4 in. x 4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

Image of BOSCH CO2133B 1-Piece 3/32 in. x 2-1/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

BOSCH CO2133B 1-Piece 3/32 in. x 2-1/4 in. Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

Image of BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit (Pack of 2)

BOSCH CO2133B 3/32 in. x 2-1/4 in. Cobalt M42 Drill Bit (Pack of 2)

Product Technical Information

Product Code	B07Q64LTF8
Market Place	amazon.com
Market Place Name	Amazon.com
Brand Name	Bosch
Rating	4.7 ( 6727 ratings )
Category	Jobber Drill Bits
Manufacturer	BOSCH
Model Number	CO2147B
Item Color	Black
Item Size	5/16 in

Frequently Asked Questions

What is the lowest price ever for this product? ▶

The lowest price for Bosch CO2147B 516 in X 4-12 in Cobalt M42 Drill Bit was $2.99 on 10th Aug 2023. This is the best recorded deal so far.
What is the highest price ever for this product? ▶

The highest price for Bosch CO2147B 516 in X 4-12 in Cobalt M42 Drill Bit was $11.79 on 10th Apr 2021. Prices have dropped since then.
What is the average price of this product? ▶

The average price for Bosch CO2147B 516 in X 4-12 in Cobalt M42 Drill Bit is $7.11 (95 data points). This helps you compare current deals.
What is the lowest price in the last 3 months? ▶

In the last 3 months, Bosch CO2147B 516 in X 4-12 in Cobalt M42 Drill Bit reached a low of $6.99 on 20th Nov 2025. Recent price trends may help you decide when to buy.
Should I buy this product now? ▶

Worth buying. The price is good, but you may wait for a better deal.