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Best results for which drill bit to use
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IRWIN Tools 5 Piece Left Hand Cobalt 5/64-Inch to 19/64-Inch Cobalt Twist Drill Bit Assortment (30520)
Amazon.com
Last update was on: June 3, 2025 4:50 pm
- 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
Greenlee DTAPKIT 6-32 to 1/4-20 6-Piece Combination Drill and Tap Set
Amazon.com
Last update was on: June 3, 2025 4:50 pm
- Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor and time
- Back tapered beyond tap to prevent thread damage from over-drilling
- Deburr/countersink also provided on bit beyond back taper
- Made from hardened high-speed steel vs carbon steel for longer life
- Designed to tap up to 10-gauge metal
Drill Doctor DD350X 350X Drill Bit Sharpener
Amazon.com
Last update was on: June 3, 2025 4:50 pm
- SHARPENS STANDARD DRILL BITS – from 3/32" to 1/2" standard twist bits. Ideal for shops that use the most common bit styles & is compatible for use with wood and light metals
- PROFESSIONAL DESIGN & CONSTRUCTED FOR DURABILITY - industrial-strength diamond sharpening wheel that won't change shape over time, & a cool design so bits don't heat up and lose their tempering as you sharpen them
- TWO EASY STEPS - eliminates the need for alignment port & simplifies the sharpening process, making the 350X a perfect choice for home workshops. Simply secure the bit & turn the chuck an even number of half turns to achieve a perfect 118° angle. V-block jaws hold the bit precisely in place & ensure that you don't have to worry about jaw twisting, even when working with small bits
DEWALT DW1354 14-Piece Titanium Drill Bit Set
DEWALT DW1587 6 Bit 3/8-Inch to 1-Inch Spade Drill Bit Assortment
EnerTwist Titanium Drill Bit Kit Set for Metal and Wood 230-Piece – Coated HSS Conventional 118° Tip from 3/64" up to 1/2 Inch, ET-DBA-230A
Amazon.com
Last update was on: June 3, 2025 4:50 pm
- ▲FULL SIZE SET - Kits includes from 3/64-inch to 1/2-inch in tough plastic case
- ▲TITANIUM COATING - Reduces heat buildup for longer life, Lasts X 6 more than conventional bits
- ▲MULTIPURPOSE USE - Ideal for drilling in metal, wood, fiber glass and plastics, Not for use on Concrete or Masonry
- ▲WELL ORGANIZED - All sizes are indexed on tray to keep all components organized, with sponge cushion between the upper and lower halves to avoid bits straggling and mixing
Drill Doctor 750X Drill Bit Sharpener for High-Speed Steel, Masonry, Carbide, Cobalt, TiN-coated Drill Bits, with Adjustable Angles from 115° to 140°, Sharpens 3/32in – 3/4in Drill Bits
Amazon.com
Last update was on: June 3, 2025 4:50 pm
- SHARPEN MULTIPLE TYPES OF DRILL BITS – high-speed steel, masonry, cobalt, & TiN-coated drill bits. Designed for the serious tool user, this professional, easy-to-use system makes it simple to keep a sharp, perfectly angled cutting edge on bits you use often
- CUSTOM POINT ANGLE SHARPENING – set any angle from 115° to 140° with cast aluminum point angle shuttle for added durability, a unique BACK-CUT split-point bit an extra-narrow chisel point, making it faster to penetrate and less likely to wander on the material you are drilling in to
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
Amazon.com
Last update was on: June 3, 2025 4:50 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
COMOWARE Step Drill Bit – Titanium Coated, Double Cutting Blades, High Speed Steel, Short Length Drill Bit, Total 10 Sizes
Amazon.com
Last update was on: June 3, 2025 4:50 pm
- HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
- Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
5 Piece Concrete Drill Bit Set, German Material Carbide Masonry Drill Bits for Concrete/Ceramic Tile/Brick/Wall/Plastic/Wood/Glass, Twist Tip Bit Tool by Eaninno (6 6 8 10 12mm)
Amazon.com
Last update was on: June 3, 2025 4:50 pm
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SIZE & REMINDING -- Masonry drill bits set includes 2* 6mm (1/4"), 1* 8mm (5/16"), 1* 10mm (3/8"), 1* 12mm (1/2"). Please cooling with water and control the speed when drilling, then dry the water or apply the oil to prevent rusting after used. - UPGRADED TIP -- This Eaninno concrete drill bit set made of hard and durable Cemented Carbide (German Material, assembled in China) with the Thickened Tip, the hardness is higher than the ordinary drill bit.
