goldstarkitchen 
Best results for drill bits for high carbon steel
COMOWARE Cobalt Drill Bit Set- 15Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16"-3/8"
$19.99
$24.19
Amazon.com
Last update was on: July 25, 2024 1:01 am
- HIGH QUALITY MATERIAL: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits. Durable and strong
- TWIST DESIGN & PERFORMANCE: PRECISE 135°SPLIT POINT, gold oxide finish and round straight shanks. Prevent walking, clear chips and particles faster.Produced by precision fully ground which ensures chips move smoothly.
- PROFESSIONAL & WIDELY USE: M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.
MAGBIT 786.24.0816 MAG786 1/2-Inch by 24-Inch High Carbon Steel Bellhanger Drill Bit
$23.47
$33.56
Amazon.com
Last update was on: July 25, 2024 1:01 am
- 82 degree point for faster starts
- 2 recesses provided to allow for extension set screws - bits 5/8-Inch and over
- Fish eye hole provided near tip of flutes to aid in pulling wire
- Fish eye hole provided near tip of flutes to aid in pulling wire
MAGBIT 786.24.0416 MAG786 1/4-Inch by 24-Inch High Carbon Steel Bellhanger Drill Bit
$20.52
$28.52
Amazon.com
Last update was on: July 25, 2024 1:01 am
- 82 degree point for faster starts
- 2 recesses provided to allow for extension set screws - bits 5/8-Inch and over
- Fish eye hole provided near tip of flutes to aid in pulling wire
- Fish eye hole provided near tip of flutes to aid in pulling wire
WORKPRO 10-piece Pro Spade Drill Bit Set- Black Coating, Premium Carbon Steel, Paddle Flat Bits for Woodworking, Assorted Bits 1/4" to 1-1/2" with Storage Case
$18.99
$25.07
Amazon.com
Last update was on: July 25, 2024 1:01 am
- ✅ PATENT PENDING DESIGN- The patent pending groove is designed for efficient and smooth chip removal. And these spade drill bits feature cutting edge with double side cutting spurs of high quality, which scribe the outside of the hole reducing breakout, so you can drill effortlessly and quickly
- ✅ HIGH QUALITY - These spade drill bits are constructed from carbon steel with fully heat treated and black coating,which provides maximum durability against breaking, the head with polished surface is made to ensure longevity and high wear resistance. These are designed for people who want a strong, reliable and efficient way to cut holes for different applications
Migiwata 1/4 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs – Jobber Length and Straight Shank – Extremely Heat Resistant – Suitable for Drilling in Stainless Steel and Iron
$18.99
$23.74
Amazon.com
Last update was on: July 25, 2024 1:01 am
- Cobalt Steel - Manufactured from M35 grade cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- For Stainless Steel - Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too. Not for hardened steel / high carbon steel. Try to adjust the RPM when it fails to penetrate.
IVY Classic 10750 1 x 16-Inch Swift Bore Wood Spade Bit, High-Carbon Steel, 1/Card
$16.20
$23.33
Amazon.com
Last update was on: July 25, 2024 1:01 am
- Drop-forged high-carbon steel for fast, smooth cutting of plywood, hard and soft woods, Swift Bore (Registered Trademark)
- Double-fluted chip removers with sharp spurs ensure faster cutting with a smooth finish
- Electronically heat treated and tempered to Rockwell Hardness 47-52
- Precision ground and polished
- Diameter: 1-inch, Length: 16-inch, Shank: 1/4-inch hex
Drill America 29 Piece Heavy Duty High Speed Steel Drill Bit Set with Black and Gold Finish in Round Case (1/16" – 1/2" x 64ths), KFD Series
$49.99
$64.99
Amazon.com
Last update was on: July 25, 2024 1:01 am
- Assortment of 29 jobber length drill bits includes inch sizes 1/16" to 1/2" in 1/64" increments
- High-speed steel (HSS) provides hardness for wear resistance
- Black and gold oxide finish resists corrosion and increases the hardness of the drill bit
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Comes in a plastic storage case
Bosch DSB5013P 13-Piece Daredevil Spade Bit Set in Pouch
$23.99
$34.31
Amazon.com
Last update was on: July 25, 2024 1:01 am
- Features a full-cone threaded tip for fast and effortless drilling
- Contoured paddle for fast chip removal
- Hex shank power groove to reduce slippage
- Spur and reamer tips for cleaner holes
- Provides a cleaner hole quality with reduced breakout
- Features a full cone-threaded tip for fast and effortless drilling
