Welcome to this week’s DIY tool matchup, where we will dive into Our pick black oxide vs cobalt drill bits
The best black oxide vs cobalt drill bits
6 Pcs, #21 Cobalt Black Oxide Long Threaded Shank Drill Bit, Tsd21L, Number Of Flutes: 2; Cutting Direction: Right Hand, Overall Length: 2-1/8" Shank Size: 1/4"-28
$16.64
in stock
2 new from $16.64
Amazon.com
as of October 31, 2024 6:19 am
Features
- Size: #21; Material: Cobalt; Finish: Black Oxide;
- Overall Length: 2-1/8"; Shank Size: 1/4"-28;
- Shank Type: Threaded; Style: Threaded Shank;
- Cutting Angle: 135; Point Type: Split Point;
- Number of Flutes: 2; Cutting Direction: Right Hand
Drill America 1/8" High Speed Steel Black Oxide Drill Bit (Pack of 12), D/an Series
$9.65
in stock
Amazon.com
as of October 31, 2024 6:19 am
Features
- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
- Round shanks allow use with a wide variety of toolholding systems
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Ideal for production, maintenance or portable drilling jobs
Milwaukee Elec Tool 48-89-2305 Thunderbolt Cobalt Drill Bit, 1/8-In. - Quantity 5
$24.76
in stock
Amazon.com
as of October 31, 2024 6:19 am
Features
- Milwaukee Red Helix 1/8 In. Cobalt Drill Bit
- Milwaukee Cobalt RED HELIX Drill Bits are engineered for extreme durability and long life in hard metal applications. Designed with a Variable Helix that includes an aggressive 35 degree Helix Angle which ends at 15 degree
- the Cobalt bits with RED HELIX provide Rapid Chip Removal limiting heat buildup to Stay Sharper Longer.
- The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Ideal for tough applications and provide up to 10X life vs. Black Oxide Drill Bits but can be used in all twist drilling applications.
- Pack of 5
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Price Drops Alerts
6 Pcs, #21 Cobalt Black Oxide Long Threaded Shank Drill Bit, Tsd21L, Number Of Flutes: 2; Cutting Direction: Right Hand, Overall Length: 2-1/8" Shank Size: 1/4"-28, Drill America
Price: $16.64
as of October 31, 2024 6:19 am
as of October 31, 2024 6:19 am
BUY NOW
Amazon.com
Price History
Drill America 1/8" High Speed Steel Black Oxide Drill Bit (Pack of 12), D/an Series, Drill America
Price: $9.65
as of October 31, 2024 6:19 am
as of October 31, 2024 6:19 am
BUY NOW
Amazon.com
Wait For A Price Drop
Price History
Statistics
| Current Price | $9.65 | October 31, 2024 |
| Highest Price | $14.19 | July 22, 2024 |
| Lowest Price | $9.65 | October 31, 2024 |
Since July 22, 2024
Last price changes
| $10.21 | December 26, 2024 |
| $9.65 | October 31, 2024 |
| $11.30 | August 7, 2024 |
| $11.65 | August 1, 2024 |
| $13.20 | July 29, 2024 |
Milwaukee Elec Tool 48-89-2305 Thunderbolt Cobalt Drill Bit, 1/8-In. - Quantity 5, Milwaukee Tool
Price: $24.76
as of October 31, 2024 6:19 am
as of October 31, 2024 6:19 am
BUY NOW
Amazon.com
Wait For A Price Drop
Price History
Statistics
| Current Price | $24.76 | October 31, 2024 |
| Highest Price | $24.76 | October 31, 2024 |
| Lowest Price | $21.32 | August 30, 2024 |
Since July 22, 2024
Last price changes
| $24.76 | October 31, 2024 |
| $21.32 | August 30, 2024 |
| $21.34 | August 27, 2024 |
| $22.46 | August 1, 2024 |
| $22.48 | July 29, 2024 |