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Best Drill Bit For Hardened Steel Bolt

MACXCOIP Cobalt Drill Bit Set, 115Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box

  • ...ient] The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal..
  • [HSS Drill Bit Set] HSS cobalt drill bit set for hardened steel with excellent cutting performance. 115 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling..
  • [Easy Storage] The drill set includes drill holders with size indexes and is packaged in a small, strong package for easy storage and sorting. If you have any questions, please feel free to contact us and we will be happy to help you..
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NEIKO 10194A Titanium Step Drill Bit High-Speed Alloy-Steel Bit Hole Expander for Wood and Metal 10 Step Sizes from 1/4 Inch to 1 3/8 Inches

  • HIGH-QUALITY DRILL BIT: Our Titanium Drill Bit is made with #4241 high-speed alloy steel and has a titanium nitride coating for extra durability. The 2-flute design makes this bit a fast and long-lasting metal cutting tool..
  • VERSATILE DRILL BIT: This multifunctional spiral drill bit fits securely in most pistol drills, drill presses, and other hand power tools. Use this versatile small cone-shaped drill bit for metal and wood projects at work or home..
  • DRILL BIT FOR HARDENED STEEL: Use this steel drill bit for drilling steel, wood, and other thick metal. It has a 135-degree split-point tip and features a 2-fluted spiral design that automatically deburrs and expands holes for a cleaner drilling process..
  • MULTISIZE DRILL BIT: This hole drill bit has 10 different sizes engraved on the bit itself for easy readability. It can drill holes in the following sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4", and 1 3/8"..
  • HEAVY-DUTY DRILL BIT: Our multifunction drill bit is created to work with any project, large or small. You can use it to drill new holes or enlarge existing ones without having to change drill bits. Get your work done with confidence and speed!.
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MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16"-1/2"

  • [Various Sizes] 29 sets of drill bits include 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 17/64", 9/32", 19/64", 5/16", 21/64", 11/32", 23/64“, 3/8", 25/64", 13/32", 27/64", 7/16, 29/64, 15/32", 31/64", 1/2", can meet more needs..
  • [M35 Cobalt Drill Bit] The M35 cobalt drill bit is a durable, sharp and robust drill bit suitable for cutting stainless steel, iron castings, copper, aluminum and other soft metals as well as plastics, wood etc..
  • [Quick and Efficient] The cobalt drill bit set can be used effectively on most soft and hard objects, with a 135 degree point tip and twist design for faster cutting, self-centering to prevent walk-off and faster chip and particle removal..
  • [HSS Drill Bit Set] HSS cobalt drill bit set for hardened steel with excellent cutting performance. 29 sets of drill bits for long term use. The inserts are hardened and polished for improved sharpness and precise cutting without wobbling..
  • [Easy Storage] The drill set includes drill holders with size indexes and is packaged in a small, strong package for easy storage and sorting. If you have any questions, please feel free to contact us and we will be happy to help you..
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Multi-function 7mm-19mm Ratchet Universal Sockets Metric Wrench Power Drill Adapter Set and 105 Degree Right Angle Extension Power Screwdriver Drill Attachment 1/4\ Drive 6mm Hex Magnetic Bit

  • ...nique design automatically adjusts to any size or shape, compact and easy to carry.UNIVERSAL: A universal socket can be adjusted immediately to grasp the hex nut, screw eye, hook, tension screw and bolt head. Works on a power drill (adapter not included)..
  • MULTILATERAL:Stainless steel construction with 54 individual hardened steel spring pins that retract to the shape of most objects.PROFESSIONAL: Professional grade universal socket wrench 7mm to 19mm, self adjusting universal repair tools.Can be used in automotive industry, household maintenance, manufacturing industry, construction..
  • 105°Angle Extension 1/4inch 6mm Hex Drill Bit Screwdriver Socket Holder Adaptor, 1/4 inch hex drive shaft is quick change compatible and fits most power drill, rechargeable drill, manual wrench and driver chucks,Magnetic 1/4 inch hex socket accepts and holds standard drill and driver bits..
  • The gears are mounted in a die cast with 3 durable ball bearings. Strong bulid-in magnetic socket holds standard hex drilling and drive bits, avoid falling.105° designs for tight spaces, extends the power of a cordless screwdriver, max torque: 10n/m.105 degree right angle head, designs for tight spaces, extends the power of a cordless screwdriver.Extends power of cordless screwdriver....
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ACROTOL 26 Pieces Bolt Extractor Set, Spiral Screw Extractor Set and Drill Bits, Extraction Socket Set for Removing Damaged, Rusted, Rounded Bolts, Nuts and Screws

  • [Specifications] 26 PCS Screw&Bolt Extractors/Drill Bit Set includes 6 easy out style spiral flute extractors, 13 PCS bolt&nut extractors, 1 PC 1/4" hex adapter and 6 PCS drill bits..
  • [Size] Nut&Bolt Extractor Size: 1/4inch, 5/16inch (8mm), 3/8 inch, 10mm, 7/16 inch (11mm), 12mm, 1/2inch, 13mm, 9/16inch (14mm), 5/8 inch (16mm), 17mm, 11/16 inch, 3/4 inch (19mm), included 3/8"-1/4" hex adapter. Spiral Flute Extractors Size: 1#, 2#, 3#, 4#, 5#, 6#. Drill Bits Size: 3/32", 1/8", 5/32", 1/4", 9/32", 3/8"..
  • [Material] Every screw & bolt extractor is made from high hardness chrome-molybdenum steel, the cobalt drill bit is made from HHS..
  • [Note] Cobalt drill bits should not used for stainless steel. The bolt extractor with unique plum-shaped internal thread design provides excellent torque and can be used to rotate fasteners with deep bolts..
  • [Function] Spiral flute extractors are perfect for common fasteners, the bolt extractors are for freeing partly-exposed fasteners. The kit also includes right hand cobalt drill bits for fasteners, which can be used to help drill these fasteners..
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M35，5% Cobalt Drill bit Set 1.5mm-6.5mmMetric Drill bits Set Metal Drill bits for Steel（13pcs）

  • COPOUIXR High speed steel with cobalt drill bit set for hardened steel 13pcs.
  • High speed steel cobalt drill bits for metal 5% cobalt drill bit set steel drill bits for hard metal diamonds are ideal for stainless steel and hard metals.
  • 135% self-sharpening impact drill set Drill point with built-in positioning function that requires no additional positioning Easy penetration of hard metals Long torsion bar cutting edge with different drilling depth option.
  • metric drill bit set for metal1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm drill bit for metal A total of 13 round bar drills of different diameters, suitable for home manual scenes and professional work.
  • Compact storage box Easy to carry and store drill bits Box size identification for easy selection and storage.
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POWERTEC 71497 Dowel Drilling Jig with Cobalt M-35 Drill Bit and Split Ring Stop Collar, 3/8-Inch

  • Allows for fast, easy and ultra-precise dowel joint assembly.
  • Drill guide ensures impeccably placed and centered 3/8" dowel holes in 3/4” thick stock (like 3/4" face frames).
  • with minor adjustments, it can be used with thicker stock.
  • Drill guide is constructed of rugged, hardened steel.
  • features two guide holes located 3/4" on center.
  • clear-view guide plate is constructed of 3/16” clear hardened acrylic.
  • Premium M35 drill bit is precision machined of high-speed steel.
  • designed with a 135-degree split point for precise, clean drilling action.
  • Durable and long lasting through many a successful projects.
  • handy storing with pre-cut hanging hole. Set includes one drill guide, 3/8" drill bit, stop collar and tightening wrench.
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2 pcs Deburring External Chamfer Tool, Deburring Tool Hard High Speed Stainless Steel Remove Burr Quickly Repairs Tools for Drill Bit Triangle Shank and Hexagon Shank External Chamfer

  • 【Durable Hard Steel】 Made of extremely hard stainless steel with high strength and hardness for durability, anti-rust and anti-corrosion. It can accompany you for a long time..
  • 【Safe and Efficient】The high strength and hardness deburring external chamfer tool easily shave down the outer edges of a bolt, pipe or rod, remove the burr. Quickly repairs damaged bolts and tightens the nuts in place without hurting your hand, no sparks, and no burns.
  • 【Repair Damaged Threads】Hardened steel external deburring tool quickly repairs damaged threads on steel bolts including stainless steel and hardened steel, threaded rod, copper, brass, aluminum, plastics, and wood..
  • 【Simple Operation】Attaching the deburring external chamfer tool to the end of your power drill, Use the lowest speed on the drill bit, and then slightly applying pressure to remove the burr. The tool simplifies the repair process, can reduce repair time and eliminates the need to replace expensive or hard-to-find hardware. Great helper for industry and household..
  • 【Widely Used】Compact size, you can carry the eliminate damaged extractor in your tool pouch and make hot forming tool. Fits size(approx.): 5/16″ - 3/4″ (8mm -19mm)..
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1 pcs Deburring External Chamfer Tool Deburring Tool Hard High Speed Stainless Steel Remove Burr Quickly Repairs Tools for Drill Bit External Chamfer Hexagon Shank

  • 【Durable Hard Steel】 Made of extremely hard stainless steel with high strength and hardness for durability, anti-rust and anti-corrosion. It can....
  • 【Safe and Efficient】The high strength and hardness deburring external chamfer tool easily shave down the outer edges of a bolt, pipe or rod,....
  • 【Repair Damaged Threads】Hardened steel external deburring tool quickly repairs damaged threads on steel bolts including stainless steel and....
  • 【Simple Operation】 Attaching the deburring external chamfer tool to the end of your power drill, Use the lowest speed on the drill bit, and then....
  • 【Widely Used】Compact size, you can carry the eliminate damaged extractor in your tool pouch and make hot forming tool. Fits size(approx.): 5/16″....
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ORX PLUS TOOLS Deburring External Chamfer Tool with HSS Blade Deburring Drill Bit Remove Burr Tools Quick Release Shank Fits for 1/8 -3/4 3mm-19mm

  • Easy to work- Attaching the deburring external chamfer tool to the end of your power drill, Use the lowest speed on the drill bit, and then slightly applying pressure to remove the burr..
  • Cost-Effective- These deburring external chamfer tool can be used for repairing damaged bolt and tightening the nuts in place. You do not need to spend time and money to find hard-to-find or expensive replacement bolts..
  • Safety Design- Quickly repairs damaged bolts and tightens the nuts in place without hurting your hand, no sparks, and no burns.
  • Using proper speeds and feeds-Drill use 0-400 RPMs. Fit 1/8' (3mm) to 3/4' (19mm).
  • Widely Application-Effectively used in Stainless Steel, Hardened Steel, Mild Steel, Copper, Brass, Aluminum, Fiberglass, Wood, Plastic.
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NEIKO 10180A Steel Spiral Quick-Change Step Drill Bit for Metal with 4-Flute Spiral Grooved Design, Nitride-Coated High-Speed Steel Multitool with 12 Sizes in 1 Step Bit, Unibit, Hole Drill Bit

  • HIGH-QUALITY DRILL BIT: Our individual NEIKO 10180A step drill bit is made with #4241 high-speed steel and has a titanium nitride coating for extra durability. The 4-flute spiral grooved design makes this a fast and long-lasting metal cutting tool..
  • QUICK-CHANGE DRILL BIT: With a 1/4-inch quick-change hex shank, this step drill bit fits securely in most pistol drills or drill presses. Use this cone-shaped, versatile, and small drill bit for metal projects at work or home..
  • DRILL BIT FOR HARDENED STEEL: This stepper drill bit for metal is perfect to create the exact hole size you need. The fluted spiral drill-bit design automatically deburrs and expands holes for a cleaner drilling process every time without heating up..
  • MULTISIZE DRILL BIT: This metal step drill bit can drill holes in 12 different sizes to meet any job requirements. Our 12-step drill bit for metal drills holes in 1/16-inch increments ranging from 3/16″ to 7/8″ to create the perfect-sized holes..
  • HEAVY-DUTY DRILL BITS: Our drill bits are created to work with any project, large or small. Our multifunction drill bits are designed with you in mind, so you can get your work done with confidence and speed using our quality tools!.
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IRWIN Drill Bit, 3-Cutter, Self Feed, 2-Inch (3046010)

  • Drill bits have 3 cutting edges that are hardened for durability and long life in tough materials.
  • Replaceable screw-point tip pulls the drill bit fast for clean, true holes.
  • 7/16-inch hex quick-change impact shank reduces slipping in standard chucks.
  • IRWIN drill bits are compatible with most 7/16-inch impact drills.
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XLCMSY Cobalt Drill Bit Set, M35 HSS Metric Straight Shank Twist Drill Heat Resistant Metal Drill Bits for Hard Metal, Stainless Steel, Hardened Steel, Cast Iron and Wood, 1.5-6.5mm (13 Pcs)

  • 【Heat Resistant】 This metric straight shank twist drill set is made of 5% cobalt high speed steel, adding molybdenum and cobalt to form a hardened alloy with a Rockwell hardness of 67, It is super heat resistant and wear resistance can cut hard metals quickly, suitable for drilling high hardness materials, up to 10 times life than ordinary HSS drill bits..
  • 【Safe & Eco-friendly】 High speed steel with 5% cobalt, durable, safe and eco-friendly, providing longer tool life and reducing environmental pollution, It is a very practical and user-friendly drill bit for cutting through hardened material, golden surface treatment holds up lubricant better for smoother drilling..
  • 【Lightweight & Durable】 Designed with a 135 degree split point, these metric drill bits are very lightweight, eliminating the need for a center punch, making cutting faster and less powerful, preventing walking and cutting stainless steel more precisely, thanks to its precision grinding inclined blade design, each bit ensures fast drilling with excellent chip removal..
  • 【Multiple Sizes & Widely Used】The metal drill bits set for steel ....
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