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Best results for drill bits for hardened bolts
Drill Hog USA 5 Pc Left Handed Drill Bit Set Niobium Nb41
IRWIN Tools 5 Piece Left Hand Cobalt 5/64-Inch to 19/64-Inch Cobalt Twist Drill Bit Assortment (30520)
$24.65
$33.77
Amazon.com
Last update was on: December 6, 2023 4:05 am
- Drill bits made of M-42 8% cobalt high-speed steel for super abrasive resistance in tough metals
- 135° split point reduces feed pressure for easier penetration without work hardening
- Each drill bit has a heavy-duty spiral flute design that produces fast chip ejection
- Shorter cutting lips reduce torque for drilling in high-tensile-strength materials
- IRWIN drill bits are great for use with screw extractors
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
$28.59
Amazon.com
Last update was on: December 6, 2023 4:05 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.
Drill Hog USA 13 Pc COBALT Drill Bit Set Index M42 Drill Bits
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
$14.29
Amazon.com
Last update was on: December 6, 2023 4:05 am
- 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.
DEWALT Cobalt Drill Bit Set with Pilot Point, 14-Piece (DWA1240)
21 Pc Cobalt M42 Drill Bit Set 1/16" to 1/2" by 32nds DRILL HOG USA
ORXPLUS TOOLS Deburring External Chamfer Tool, Deburring Drill Bit, Remove Burr Tools for Fit 1/8"-3/4"(3mm-19mm)
$33.29
$37.62
Amazon.com
Last update was on: December 6, 2023 4:05 am
- Feature- Great for repairing damaged bolts and fasteners Hard steel could use lubricating oil to improve tool performance
- Easy to use- This external deburring chamfer works by a way of shearing metal layer by layer. Using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. Safety conscientious design means no cut hands, no sparks, and no burns.
- Wide Application- Effective applied to hardened steel, mild steel, copper, brass, wood, fiberglass and hard plastic.
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
$16.94
Amazon.com
Last update was on: December 6, 2023 4:05 am
- 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
HSS Deburring External Chamfer Tool,High Speed Steel Hex Shank Remove Burr Tools for Drill Bit Fits for Bolts，2 Pack（Black)
$19.99
$29.19
Amazon.com
Last update was on: December 6, 2023 4:05 am
- Fitment Bolt Tube Size：1/8” bolts (.164) up to 5/8” (.750) / (4mm -17mm). Effective on Stainless Steel, Hardened Steel, Mild Steel, Copper, Brass, Aluminum, Fiberglass, Wood, Plastic, no matter it is with or without screw thread.
- Exotic Super Hard Steel：made of high speed steel with three shaving teeth,has the feature of high strength and hardness for durability.
- The operation is simple, using the lowest speed on the drill bit, and then slightly applying pressure to remove the burr.
Twist Drill Bit Set(12PCS), Werkzeug Titanium Drill Bit Set General Purpose High-Speed Steel, Metal Drill Bits Set for Wood, Plastic, Metal, Aluminum Alloy etc (1/8" – 25/64")
$11.99
$16.91
Amazon.com
Last update was on: December 6, 2023 4:05 am
- 【Twist Drill Bit】Werkzeug twist bit is made of high-speed steel and quenching treatment designed. High hardness, durable and offer superior cutting power
- 【135° Inclined Blade Drill Bit】New upgrade Precision grinding 135° inclined blade design make drilling more fast, enhanced cutting power and chip removal
- 【Spiral Grooves Design】Effectively prevent chippings accumulation. Fast discharge chips from the hole on both sides automatically
Lag Bolt Kit for Mounting A TV Into Wood Or Concrete – Includes Heavy Duty Bolts, Fischer Concrete Anchors and 2 Drill Bits
$14.99
$17.39
Amazon.com
Last update was on: December 6, 2023 4:05 am
- Re-mounting, but lost your old hardware? Don't buy another mount! This kit includes everything you'll need for wood or concrete installs.
- We don't screw around: Our lag bolts are custom-hardened to prevent snapping or breaking.
- You trust us? We trust Fischer. Included in this kit: 4 of their concrete-rated anchors (UX10 x 60R)
- Which size drill bit you need for mounting to wood or concrete? Trick question: They're both included.
Bosch 9-Piece Impact Tough Titanium Drill Bit Set, TI9IM
$13.99
$17.21
Amazon.com
Last update was on: December 6, 2023 4:05 am
- IMPACT RATED: Featuring the Bosch Impact Tough bit design so the screwdriving bits are impact rated and provide 2X longer bit life than standard impact drill bits
- ACCURACY: These impact bits feature engineered no-skate tips for more accurate starts
- VERSATILE: The Bosch TI9IM drill bit set is designed for heavy-gauge, light gauge metal and hardwood applications, and high-carbon steel
- PRECISION: The impact bits provide effective material removal thanks to the long flute design
Bosch CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit
$1.65
$2.03
Amazon.com
Last update was on: December 6, 2023 4:05 am
- 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
Migiwata 5/16 Inch Fractional Size M35 Cobalt Steel Twist Drill Bit Set of 5pcs – Jobber Length and Straight Shank – Extremely Heat Resistant – Suitable for Repeated Drilling in Stainless Steel
$18.99
$22.41
Amazon.com
Last update was on: December 6, 2023 4:05 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.
IRWIN HANSON Master Extraction Set, 48 Piece, 3101010
$212.01
$252.29
Amazon.com
Last update was on: December 6, 2023 4:05 am
- Includes spiral flute extractors, multi-spline extractors, bolt extractors, and left-hand cobalt drill bits for extracting all kinds of fasteners
- Easy out style spiral flute extractors for use on common fasteners and lower torque
- Multi-spline extractors for higher torque or lower profile tools
- Bolt extractors for freeing partly-exposed fasteners
- Left-hand cobalt drill bits for drilling out interiors of fasteners
