9th May 2026, 03:17 PM
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
Price may vary by location, shipping cost, and availability.
$72.79
Highest: $93.63
Average: $60.38
Lowest: $44.89
Price History Graph
Offer Price Prices
Lowest: -
Average: -
Highest: -
Price History Information
You can check the price history 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 here. This product's current Price in USA is $72.79. The average and highest prices are $60.38 and $93.63 respectively.
| Lowest Ever Price | $44.89 |
|---|---|
| 9th Dec 2024 | |
| Average Price | $60.38 |
| Based on 2474 days price tracking | |
| Highest Price | $93.63 |
| 20th Jun 2020 | |
Price History of All Variants of BOSCH CO21B 21-Piece Assorted Set with Included...
Current Price in USA
| Price | $72.79 |
|---|
Recent Price Drops on 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
Price Drop 1st Dec 2025
$89.48 → $47.69
46.7% drop
Price Drop 30th Oct 2025
$72.79 → $47.99
34.07% drop
Price Drop 3rd Sep 2025
$83.99 → $75.59
10% drop
Price Drop 11th Feb 2025
$50.79 → $47.99
5.51% drop
Price Drop 6th Feb 2025
$62.79 → $50.79
19.11% drop
Price Drop 13th Jan 2025
$69.78 → $62.79
10.02% drop
Price Drop 28th Dec 2024
$91.45 → $47.69
47.85% drop
Price Drop 21st Dec 2024
$91.36 → $47.69
47.8% drop
Price Drop 8th Dec 2024
$47.69 → $44.89
5.87% drop
Price Drop 31st Oct 2024
$60.55 → $47.69
21.24% drop
Price Drop 15th Nov 2023
$59.22 → $50.34
14.99% drop
Price Drop 4th Dec 2022
$64.99 → $60.33
7.17% drop
Price Drop 23rd Nov 2022
$59.22 → $46.81
20.96% drop
Price Drop 20th Jul 2022
$59.99 → $56.91
5.13% drop
Price Drop 6th Jul 2022
$59.99 → $56.91
5.13% drop
Price Drop 14th Jun 2022
$59.99 → $56.91
5.13% drop
Price Drop 10th Jun 2022
$59.99 → $56.91
5.13% drop
Price Drop 1st Jun 2022
$59.99 → $56.91
5.13% drop
Price Drop 22nd May 2022
$59.99 → $56.91
5.13% drop
Price Drop 26th Apr 2022
$59.99 → $56.91
5.13% drop
Price Drop 17th Feb 2022
$59.99 → $56.91
5.13% drop
Price Drop 10th Feb 2022
$59.99 → $56.91
5.13% drop
Price Drop 26th Jan 2022
$59.99 → $56.12
6.45% drop
Price Drop 27th Aug 2021
$59.99 → $54.99
8.33% drop
Price Drop 8th Jun 2021
$59.99 → $54.99
8.33% drop
Price Drop 12th Apr 2021
$57.99 → $54.99
5.17% drop
Price Drop 25th Jun 2020
$89.99 → $62.79
30.23% drop
Price Drop 8th Jun 2020
$81.63 → $62.79
23.08% drop
Price Drop 15th Apr 2020
$69.49 → $49.89
28.21% drop
Price Drop 28th Mar 2020
$69.49 → $49.89
28.21% drop
Price Drop 9th Feb 2020
$61.11 → $56.79
7.07% drop
Product Information
Details
| Product Name | 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 |
|---|---|
| Store Product Code | B07Q64LTFB |
| Store Name | amazon.com |
| Rating | 9.2 / 10 |
| Category | Jobber Drill Bits |
| Product Manufacturer | BOSCH |
| Model Number | CO21B |
| Color | Multi |
| Size | 21-Piece Drill Bit Set |
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.Case Type:Plastic
- 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
Images
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Rating and Reviews
9.2 Based on 6997 reviews
BOSCH CO21B 21-Piece Assorted Set with Included has 9.2 rating out of 10. This average rating is consist of 6997 individual ratings. You can rate this product at product review page.
* Predictions is created on based of past prices and trends, it does not guarantee that it will happen. These are just prediction for theoretical information only.