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Best results for drill bit types for hardened steel bolts
Drill Hog USA 5 Pc Left Handed Drill Bit Set Niobium Nb41
COMOWARE Cobalt Drill Bit Set- 115Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16" – 1/2"
$179.99
$248.39
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- 115 PIECES INCLUDED: 29pcs Fractional Size:1/16” to 1/2” in 1/64th increments
- 26pcs Letter Size: A To Z
- 60pcs Numbered Size: #1 To #60.
- HSS WITH 5% COBALT: Durable, Higher Heat & Abrasion Resistance.
- PRECISE 135° SPLIT POINT & TWIST DESIGN: Prevent walking, clear chips and particles faster.
- 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.
21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG USA
DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240)
Migiwata Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 13pcs to Cut Through Hard Metals Such as Stainless Steel and Cast Iron
$14.99
$16.64
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- COBALT STEEL - Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant
- for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- NO CENTER PUNCH NEEDED - The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not "walk" or "wander". Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks. Must be used and operated at proper RPMs for maximum efficiency
Baker and Bolt Allen Wrench Drill Bit Set (12pc COMPLETE SAE SET) Hex Shank Magnetic Bit Set – THE GIFD COLLECTION – Fortified S2 Steel – Long 2in Heads for Handheld and Electric Drills
$12.99
$15.98
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- GIFD - Our mission is simple: To help enthusiasts, homeowners, hobbyists, tradesmen, Shadetree Mechanics and perfectionists get the job f*#king done.
- We Dominate IKEA and KD Furniture - So you just bought the biggest and baddest desk from Ikea
- i like the vision. But now you need to assemble it. With our hex bit set that job is a joke. From 4 hours into 20 mins tops. Throw it in the chuck and go.
- From AC Kits to RC Cars - It doesn't matter the job, our hex drill bits will help you get it done. AC Kits, RC Cars, Gunsmithing, Furniture, Garbage Disposals, Dirt Bikes, Plumbing, Construction etc. I'm blown away every day when i see what our users can do.
Hymnorq 7/32 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 10pcs, Jobber Length and Straight Shank, Extremely Heat Resistant, for Drilling in Stainless Steel and Iron
$16.56
$20.53
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- 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.
Bosch CO2143 1/4 In. x 4 In. Cobalt Drill Bit
$3.52
$4.82
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
- Rigid, thick web design adds stability to bit in tough applications
- Surface hardened to penetrate tough abrasive materials
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Bosch CO2147 5/16 In. x 4-1/2 In. Cobalt Drill Bit
$5.42
$7.48
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
- Rigid, thick web design adds stability to bit in tough applications
- Surface hardened to penetrate tough abrasive materials
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Inch, 29-piece, 1/16" – 1/2" in 1/64" increments
IRWIN Industrial Tools 316015 Cobalt Drill Bit Set, 15-Piece
$27.54
$34.98
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- Cobalt steel extends cutting edge life and maintains cutting life after resharpening
- Extra hard drill for greater wear
- 135-Degree split point tip starts on contact, cuts with less force
- Reduced shank above 3/8-Inch allows the use of larger drill bits in a 3/8-Inch chuck
- Similar cobalt sets available for almost every drilling application
- Cobalt steel extends cutting edge life and maintains cutting life after resharpening
DEWALT Titanium Drill Bit Set, 10-Piece Impact Ready (DD5160)
$37.09
$48.22
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- Ground from solid 1-piece design is up to 5 times more durable than the current 2-piece conventional product
- Patented web taper increases the rigidity of the bit to decrease the potential for bit breakage
- Patented pilot point tip allows users to drill holes faster and offers clean burr free holes
- Common users include electricians, HVAC, mechanics, glaziers and GC's
Norseman by Viking Drill and Tool 66820 Ultra Dex SPM-29 Type 250-UB 135 Degree Split Point Magnum Sup Premium Mechanical Set (29 Piece)
$92.99
$131.12
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- 29 pc. Ultra Dex 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
Deburring External Chamfer Tool Deburring Drill Bit High Speed Steel Hex Shank Burr Removal Tool for Steel metal Aluminum Brass Wood Plastic Fit 8-32 bolts 4 mm-19 mm (1 Pack)
$7.99
$9.83
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- Burr removal tool:Great for repairs damaged bolts and tightens the nuts in place, eliminate the need to replace expensive or hard-to-find hardware
- High-quality materials: Made of High Speed Steel, high strength and hardness and it has a cutter ability.
- Easy to Use:Simply apply the chamfer tool to your drill, and then slightly apply pressure to remove the burr with the lowest speed on the brill, no cut hands, no sparks, and no burns.
Damaged Screw Extractor Set – Remover Set by Easy Out, Easily Remove Stripped or Damaged Screws. Made From H.S.S. 4341#, the Hardness Is 62-63hrc,Set of 4 Stripped Screw Remover
$10.99
$15.83
Amazon.com
Last update was on: June 18, 2024 1:03 pm
- APPLY TO ALL DRILLS : 4 pieces screw extractors work with any drill and all the screw size or bolt (3-12mm), These extractor tools are used to reverse the damaged screw counterclockwise until it is released
- POWERFUL : Striped screw extractor removes even the most stubborn stripped, damaged, embedded, rusted and painted-over screws and bolts
- EASY TO USE : Just two simple steps will get the job done - Use a suitable size screw remover to drill a hole with cutting size and it’s easy to extract the screw or bolt using extractor tool
