Reviews4mm Metal Drill Bit

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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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)

【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..
【Hexagonal Design 】: 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..
【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).
1 Automatic Spring Loaded Center Punch Power Tools.
【One-Year Warranty】: 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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Hakkin 99pcs Heavy Duty HSS 4341 Twist Drill Bit Set, 1.5-10mm Drill Bits with Titanium and Black Nitride Coated, Anti-Walking 135 Boring Drill Bits for Steel, Wood, Plastic, Metal with Storage Case

High-quality Storage BoxDrill Bits come neatly organized in a sturdy storage tray case keeps bits in their relevant compartments protecting them from knocks and drops. Sizes are printed on the case lid underside helps you discover the one you wish quicker Metric Sizes 1.5mm-10mm. A metal steel catch prevents the tray case from popping open during transit..
Professional & DIY UseGood choice For DIY, Home, and General Building / Engineering Using.With good toughness of materials, wear-resistance, drilling ability, this drill bit set apply for wood, plastic, soft metal, steel within 10mm thickness, aluminum alloy and other soft metals. NOT for glass, ceramic or concrete drilling. Suitable for a bench drill, conventional electric drill and hand drill..

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13pcs/Set Drill Bits Key Cutting Machine Cutter Vertical Machine Cutting Parts

Fitment: Applicable for vertical machine and key machine..
Package includes: Full Set of 13pcs( 6x Drill Bits + 2x Hollow + 1x Partial Needle + 4x PINS)..
Size: Drill Bit* 6 (1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm).
High performance material: Made of HSS-AL material,high hardness,not easy to deformation,easily cutting metal, well made and a decent value for the price..
Fast shipping: High quality products with competitive price,fast delivery and good service,free shipping and shipped from USA warehouse..

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HOMEIDOL 6pcs Masonry Drill Bits Titanium Coated Glass Drill Bits Set 4 Cutting Edges Cross Spear Head Drill for Ceramic Tile Marble Mirror and Glass 4mm 5mm 6mm 8mm 10mm 12mm

[Quality Material] Masonry drill bits, concrete drill bit set made of high quality cemented carbide. Alloy with anti-rust treatment and a reinforced....
[Superior performance] Concrete Drill Bit, small incision resistance,feature drilling stably, fast speed, not breaking the border. Opening neat,....
[Wide Application] Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, china, mirrors and glass.....
[Widely Fit] Professional Drill Bit Set, can be installed in the general electric hand drill, bench drill, impact drill and so on. The machine drill....
[Package Includes] 6pcs of masonry drill bits with the following tip diameters: 5/32” (4mm), 3/16” (5mm), 1/4” (6mm), 5/16” (8mm), 3/8”....

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CheeMuii Powerful Speedy Hand Drill 1/4 Inch Manual Drill with 13Pcs Drill Bit Set Chuck and Key for Wood Plastic Soft Metal

【Content】1pcs hand drill+13pcs drill+1pcs chuck+1pcs key,holes of different diameters can be drilled.The bits radius are 1.5mm,2mm,2.5mm,3mm,3.2mm,3.5mm,4mm,4.5mm,4.8mm,5mm,5.5mm,6mm,6.5mm and the length are 40mm, 46mm,52mm,61mm,63mm,71mm,73mm,81mm,83mm,85mm,91mm,92mm,98mm..
【Material】The drill is made of High Speed Steel and the hand drill in made of Cast Steel so the hardness is strong enough.The hollow anti-skid handle is made of plastic, in which you can store the drill to be used..
【Convenient】The design of double pinion makes the hand drill more stable and flexible to improve work efficiency.And the key chuck can make you to tighten the bit and will not let it slip..
【Usefulness】This hand drill is suitable for DIY lovers,carpentry and model lovers.It can also help your child's interest in DIY and develop hands-on ability..
【Application】Suitable for drilling wood, bamboo,plastic, pvc,soft thin metal, copper, aluminum,glass fiberboard, circuit board and acrylic.Not suitable for drilling hard metal materials, ceramic tiles, masonry, concrete, etc..

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