bestreviewtech 
Best results for drill bits made in america
Drill America 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16" – 1/2" X 64ths), DWDCO Series
$52.01
$64.49
Amazon.com
Last update was on: February 23, 2025 8:29 pm
- 15 pc. Set Premium Mechanic 3-Flats on Shank 135-Degree Split Point
- 135-Degree split point for accurate centering and fast penetration
- Precision ground point, flutes, body, clearance and drill diameter for ultimate accuracy and performance
- Special Hi-Molybdenum tool steel/Gold Oxide
- Mechanics Length 3-flats on shank 3/16 and larger
Norseman Drill and Tool 66470 SPM-15 135 Degree Split Point Magnum Sup Premium Mechanical Drill Bit Set (15 Piece)
21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG USA
$7.35
$10.66
Amazon.com
Last update was on: February 23, 2025 8:29 pm
- Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
- 135° split point tip prevents drill from walking
- Round shanks allow use with a wide variety of tool holding systems
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools
- performance is similar to uncoated tools
- 12" overall length for drilling where extra length for reach is required
Drill America 1/16" x 12" Cobalt Aircraft Extension Drill Bit, GLBCO Series
$8.00
$10.56
Amazon.com
Last update was on: February 23, 2025 8:29 pm
- 1/16" Steel Shank - Hole Size Approximately 2.0mm
- Great for cutting 2.0mm holes in stone, glass, wood, tile, and more.
- Coated in 100% Natural Diamond (not synthetic)
- U.S. Made - High Quality - Concentricity Guaranteed
- Works best on a drill press
1/16" Diamond Coated Core Drill (2.0mm) – Made In USA
$59.68
$73.41
Amazon.com
Last update was on: February 23, 2025 8:29 pm
- 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
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
$84.99
$126.64
Amazon.com
Last update was on: February 23, 2025 8:29 pm
- Drill 3x Longer (than competitors drills), Drill 2x Faster (than cobalt), Drill Accurate (135 deg split point, tapered web geometry)
- Better than cobalt-XL5 is able to flex when cobalt drills chip or snap
- Premium high speed steel and NOMO surface treatment for longer tool life, fast penetration, and flexibility
- Self centering 135 degree split point prevents drill from walking
- Ultimate workhorse for drilling steel, stainless steel, titanium alloys and other hard to drill materials
Champion Cutting Tool Brute Platinum Twister-XL5 29 Piece 1/16"-1/2" x 64ths HSS Jobber Drill Bit Set-135 Deg Split Point, Water Resistant Index-MADE IN USA
Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits
$29.10
$39.87
Amazon.com
Last update was on: February 23, 2025 8:29 pm
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools
- performance is similar to uncoated tools
- 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
Drill America R Cobalt Drill Bit (Pack of 6), DWDCO Series
$28.98
$33.62
Amazon.com
Last update was on: February 23, 2025 8:29 pm
- Heavy Duty BlackGold Silver & Deming drills have superior strength and durability than standard S&D Drills
- BlackGold surface treatment holds lubricant for smoother, longer drilling. Drill faster and penetrate more accurately due to 118* split point.
- 1/2" Flatted Reduced Shank for use in portable drills or drill presses where max chuck capacity is 1/2"
- Ideal for drilling steel, steel plate, stainless steel, cast iron, titanium, nimonic alloys, manganese, and other tough materials
Champion Cutting Tool BlackGold XG12-7/8 Silver & Deming1/2" Shank Drill: MADE IN USA
$12.53
$16.92
Amazon.com
Last update was on: February 23, 2025 8:29 pm
- Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
- Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools
- performance is similar to uncoated tools
- 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
