Top 4mm Metal Drill Bit

QWORK Multipurpose Drill Bits, 6 Pcs Set Multi-Material Drill for Drilling in Tile, Brick, Glass, Plastic and Wood

  • 1) One drill bit replaces two drill bits (1x glass & tile drill bit + 1x Mansonry drill bit), ideal for drilling fastner holes in bathroom tiles, or wall mirrors. Once it drills through the tile or mirror this drill bit will cope easily with any masonry behind it.
  • 2) Spear pointed design strong tungsten carbide tip can easily penetrate various material(tile, concrete, brick, glass, plastic and wood,etc) and reduces breakout.
  • 3) 6 Pcs drill bit set with 6 different sizes: 1x 3mm (1/8"), 1x 4mm(5/32"), 1x 5mm(3/16"), 1x 6mm (1/4"), 1x 8mm (5/16"), 1x 10mm (3/8").
  • 4) U type slot design with fast drilling dust remove, 3-flats shank allows drill bit to be held tightly and stably in power drill. When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.
  • 5) Heavy duty drill bits made by factory that manufactures products for big international tool brands with guaranteed quality. For genuine multi-material drill bit, please identify QWORK brand drill bits packed in sealed transparent plastic box with two sides of blue color stickers.
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K Kwokker 15Pcs Masonry Drill Bit Set 5/8\ to 1/8\

  • ☺[15 Pcs 16mm to 3mm (5/8" to 1/8") Masonry Drill Bits, More Quantity, More Size] Masonry drill bit set with case. Easy to store and take. 16mm 14mm 12mm 10mm 8mm 6mm 5mm 4mm 3mm (5/8" 9/16" 1/2" 3/8" 5/16" 1/4" 3/16" 5/32" 1/8"). There are multiple 9 sizes that will help in drilling by starting with the smallest bit and continuing to the size needed. To meet your more needs..
  • ☺[Ceramic Drill with Cemented Carbide Tip, Hardness is Higher Than Ordinary Drill, More Wear Resistance] Excellent tile drill bits with nice point, make the drilling much more easier, less effort and work with a minimum of pressure. Like a hot knife thru butter! WATER IS THE KEY TO GETTING DRILL BITS TO LAST. PLEASE COOLING WITH WATER AND CONTROL THE SPEED WHEN DRILLING..
  • ☺[Widely Used Range, a Good Beginning is Half Done, Carbide Drill Bits Perfect For] masonry, title, glass, wood, plastic, ceramic, terracotta, brick, stucco, brick, cinder block, steel, laminate flooring, garden pot, marble, pickguard, mirrors, windows, etc. PLEASE NOTE THAT FOR DIFFERENT SIZES, IT IS RECOMMENDED TO USE DIFFERENT DRILLING SPEEDS TO PREVENT DRILL BIT DAMAGE CAUSED BY WRONG DRILLING SPEEDS..
  • ☺[1 x K Kwokker Ceramic Drill Bit Replaces Two Drill Bits (1 x Glass & Tile Drill bit + 1 x Masonry ....
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MAPRIAL 17 Pieces 4mm-15mm(5/32”-37/64”) Diameter Metric Brad Point Drill Bits Set with 12 inch Extra Long Drill Bit for Drywall, Hardwood, Plywood, Plastic, Woodworking

  • PACKAGE INCLUDED - 17 Pieces brad point drill bits included: 4mm X 2, 5mm X 2, 6mm X 2, 7mm X 2, 8mm X 2, 9mm X 2, 10mm 2, 15mm X 1, 14mm X 1, 12mm X 1, The length of the drill bit set are: 75mm, 85mm, 92mm, 100mm, 115mm, 120mm, 160mm, 200mm, 300mm..
  • WITH EXTRA LONG DRILL BITS - Includes a set of 10 different diameter standard sizes to meet your different needs :4mm(1/8”), 5mm(5/32”), 6mm(1/4”), 7mm(9/32”), 8mm(5/16”), 9mm(11/32”), 10mm(3/8”), 12mm(1/2”), 14mm(9/16”), 15mm(37/64”) , And with the extra long drill bit body provides better stability and balance during quick operation to ensure position is intact..
  • HIGH QUALITY - The brad-point drill bits is made from carbon steel material, which is for fast cutting against tough wood material. High hardness, offer superior cutting power and durable..
  • WIDELY USAGE - Is suitable for hand drill and conventional electric drill and perfect for drilling in drywall, wood, fiberboard, particleboard, rubber, plywood, Composite Materials, plastic, PVC and other different materials..
  • BRAD POINT DRILL BIT - Penetrate surface quickly because of the sharp point on the tip. Better in Centering and no skid. Brad points have a sharp point on the tip, which prevents the bit from "walking" like standard tw....
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3Pcs High-Speed Steel Spiral Step Drill Bit Set with Automatic Spring Loaded Center Punch Power Tools HSS Cone Titanium Coated Metal Hole Cutter 1/4' Hex Shank Drive Quick Change 4-12mm/4-20mm/4-32mm

  • 【Widely Used】Perfect Step Drill Bits suitable for drill holes in various material： within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate).
  • within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc..
  • 【Material】HSS combined with a titanium coating. More capable and durable..
  • 【Easy Drilling】Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake.
  • 【SET INCLUDES】Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm).
  • Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm).
  • Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm).
  • 【Package Included】 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ) + 1 Automatic Center Punch. 1/4" Hex shaft drives are suitable for all kinds of for home DIY power drills..
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HOHXEN 3 Packs Spiral Step Drill Bit Set with 4-12mm/4-20mm/ 4-32mm, Total 32 Sizes, 1/4\ Hex Shank Cone Titanium Coated High Speed Steel, Multi-Functional Industrial DIY Metalworking tools

  • 3 standard SAE Spiral step drill bits can drill 32 different size of holes on different thickness of materials.The 3 Cutters Come in the Following Sizes: 4-12mm: 4mm,6mm,8mm,10mm,12mm.
  • 4-20mm: 4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm.
  • 4-32mm: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm..
  • Made with drop forged heat treated high speed steel (HSS) with titanium nitride coating for longer life time..
  • 4241 high-speed steel, used in hardness under 25 ¡ã workpiece, the plate thickness under 5 mm..
  • 1/4" round shank (6.35mm)can be easily fit into power driver, drill and press drill. Two-flute design provides faster, smoother cutting without walking and a tri-flat shank ensure a firm grip..
  • Comes with 3Pcs 1/4 Inch round Shank HSS Titanium Coated Step Drill Bit Set - 4-12/4-20/4-32mm With Pouch.Suitable for punch holes through sheet metal, iron plate, aluminum plate, brass, wood, plastic, etc..
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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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3 PCS HSS Titanium Coated Cone Step Drill Bit Set Metal Hole Cutter Power Tools kit, Metric 4-12/20/32mm

  • Material: High Speed Steel combined with a titanium coating. More capable, durable and longer service life..
  • Easy Drilling: 3 sided shank prevents slip in drill chuck.
  • Double cutting blades design enables a faster and smoother cutting.
  • X-type openings design to facilitate the removal of cutting waste when drilling.
  • SET INCLUDES: Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm).
  • Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm).
  • Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm).
  • Laser marking makes the size more clear. Suitable for using to cut holes in a variety of materials including thin iron plate, aluminum, insulation board, wood, plastic, PVC board that the thickness is within 5mm..
  • According to the need to process different diameter holes, you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole..
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Luo ke 100 Pieces Wool Felt Polishing Bits, 1/8 Inch Shank Felt Buffing Tips for Rotary Tool

  • ➥Materials: 100 Pcs wool polishing bit sets are made of high-quality Wool and shaft handle,high bond strength,coaxial good.
  • ➥Details: With 50 cylinder shaped grinding heads (diameter: 10mm/8mm/6mm/5mm/4mm).
  • 50 bullet shaped (diameter: 10mm/8mm/6mm/5mm/4mm).
  • ➥Feature: 2 kind of grinding head design meet your different need. 1/8 inch shank fits electric rotary tool, grinder, drill included dremel.
  • ➥Widly usage: Suitable for polishing metal and non-metal. such as metal, jade, various molds, glass, medical equipment, gold silver jewelry,etc.
  • ➥Package includes: 100 pieces compressed wool felt polishing wheel. Note: recommend to use with polishing compound.
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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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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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SNUG Fasteners Five (5) 5/32\ x 5-1/2\ Carbide Tip Masonry Drill Bits for Concrete, Brick, or Block (SNG534)

  • ❶HIGH-QUALITY HARD ALLOY: The cutter head is made of cemented carbide. Hardness up to 45HRC, Triangular cutter head resistance is smaller. And it can improve work efficiency, higher hardness than ordinary drill bit, more wear-resistant..
  • ❷EXQUISITE CRAFTSMANSHIP: The surface of the drill bit is treated by fine polishing, and the new electroplating process can prevent the drill bit from rusting and prolong the life of the drill bit..
  • ❸10 PCS DRILL BIT SET WITH 6 DIFFERENT SIZES: 5/32” (4mm), 3/16” (5mm),1/4” (6mm), 5/16” (8mm) ,3/8” (10mm), 1/2” (12mm) fit your different needs..
  • ❹NEW DESIGN: U-shaped drain groove, spiral handle design, easy to remove chips during work, smoother drilling..
  • ❺WIDELY USAGE: It can be used for drilling walls, bricks, ceramic, wood, glass, tiles, stainless steel, concrete, etc. Remember to add Water or coolant when drilling..
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Step Drill Bit Set for Metal, 1/4inch High Speed Steel Titanium Coated Metric Straight Groove Step Drill Bits Set with Automatic Spring Loaded Center Punch Power Tools, Hex Shank Hss Cone Uni Bit Kit for Hole Wood(size 3-12/4-12/4-20mm)

  • Perfect Step Drill Bits suitable for drill holes in various material： within 3mm/0.12 inch (Iron Plate, Copper Plate, Aluminum Plate).
  • within 5mm/0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc..
  • HSS combined with a titanium coating. More capable and durable..
  • Hex Shank fits into all power tools more easily and securely, especially for locking into quick change chuck. It is better clamped on the pistol drill to prevent slippage and shedding during the rotation..
  • Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm).
  • Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm).
  • Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm).
  • 1 Automatic Spring Loaded Center Punch Power Tools.
  • For customer satisfaction and 1-Year warranty of step drill kit can be guaranteed. If you have any questions, Please Contact Us..
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