Top 10 4mm Drill Bit – Jobber Drill Bits

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1. uxcell


Uxcell Reduced Shank Twist Drill Bits 4mm High Speed Steel 4341 with 4mm Shank 5 Pcs

uxcell #ad - Versatile uses: for use in a wide range of stainless steel, copper, aluminum alloy, iron, brass and metal materials. High speed steel tool: high-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.

Black & gold oxide finish: premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Features: cutting edge diameter : 4mm / 016"; shank diameter : 4mm / 1. 73"; total length : 75mm / 016"; effective cutting Edge Length: 44mm / 2. 95". Reduced shank: reduced shank drill expands the size range capacity of a portable drill chuck. Common flute and overall length for minimal adjustment during tool changes.
Branduxcell #ad
Manufactureruxcell #ad
Part Numbera19102500ux0106



5, Plastic and Wood, QWORK 6 Pcs Set 3, Glass, Brick, 6, 4, 8, 10mm Multi-Material Drill Bit Set for Tile

QWORK #ad - Once it drills through the tile or mirror this drill bit will cope easily with any masonry behind it. 3 6 pcs drill bit set with 6 different sizes: 1x 3mm1/8", 1x 5mm3/16", 1x 4mm5/32", 1x 8mm5/16", 1x 6mm1/4", 1x 10mm3/8".

5 heavy duty drill bits made by factory that manufactures products for big international tool brands with guaranteed quality. 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. 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. 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.

When drilling hard material glass, marble or granite, porcelain floor tile, please use water for lubrication.2 spear pointed design strong tungsten carbide tip can easily penetrate various materialtile, plastic and wood, glass, concrete, brick, etc and reduces breakout.
BrandQWORK #ad
ManufacturerQWORK #ad
Weight0.24 Pounds

3. Hymnorq


Hymnorq 4mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit Set of 10pcs with Straight Shank to Cut Through Hard Metals Like Stainless Steel and Cast Iron

Hymnorq #ad - 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.

Cobalt steel - manufactured from m35 cobalt steel, for much faster cutting and extra longer life span, with molybdenum and cobalt added to creates a hardened alloy, measuring rockwell hardness up to 67, with up to twelve times when compared with an average HSS drill bit. Try to adjust the RPM when it fails to penetrate. Downloadable user guide - we've summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet. Welcome to download. Not for hardened steel / high carbon steel.

135°split point - the 135°quick-cut split point are self-centering and able to penetrate metals quickly with less pressure, prevent bits from "walking and wanding". In most cases, our customers would get a much better result with these tips. Easy cutting without need of center punch. For metalworking - particularly successful in cutting through hard metalshardness less than HRC38° such as stainless steel and cast iron, although they can be used for softer materials like copper and aluminium, too.
BrandHymnorq #ad
ManufacturerHymnorq #ad



HONJIE 4mm Wood Drill Bit Three Point Woodworking Drill 5pcs

HONJIE #ad - Made of high speed steel for durability and extra long life. Package included:5pcs x Wood Drill Bit. Precise cutting edges to reduce splintering, Engineered flutes for clean effective chip removal. Size:74 x 4mm/2. 91 x 016"l*w. Suitable for drilling precise holes in wood, and great for use in doweling.
BrandHONJIE #ad
ManufacturerHONJIE #ad
Part NumberHJCP2235

5. Sipery


Copper, Sipery 10Pcs M35 Cobalt HSS Twist Drill Bits 4mm with Straight Shank, Drilling for Stainless Steel, Aluminum Alloy and Softer Materials

Sipery #ad - Multi-purpose use - hss drill bits are successful in cutting hard metals such as stainless steel, copper, aluminum alloy, and also can be used for softer materials.

Easy to carry - the twist drill bits are housed in plastic case for easy storage, easy to carry out homework. Material - hss cobalt high speed steel for super abrasive resistance in tough metals, improve much higher heat resistance because of cobalt steel's high red hardness. Durable - hss cobalt drill Bit provide strong durable performance compared to typical hss drill bits. Specification - 10pcs 4mm cobalt drill bits, each kit contains a total of ten drill bits in the same size, 118 degree point, Blade length: 43mm/1.7inch, straight shank.
BrandSipery #ad
ManufacturerSipulay-tools #ad



For Steel, Wkstool Φ4mm,Micro Solid Carbide Drill Bits,Straight Shank,TiAlN Coated,Metric,for Stainless Steel,Alloy and Hard Steel Ø4mm -25mm Flute Length-50mm Full Length

WKS TOOL #ad - 4mm dia;25mm flute length;50mm full length;straight shank;118 Degree Point;T. I. R. Total indicator Reading:Maximum 10um001mm. High hardness, high Performance. Good surface roughness. Can be high-speed machine processing. Made of solid micro carbidetungsten Steel, High quality TiAlN coating, HRC55, getting long tool life. Package:1pc carbide Router Drill Bit. Suitable for profiling alloys, Aluminium, Stainless steel, Copper, Iron and Hard steel.
BrandWKS TOOL #ad
ManufacturerWOKESI #ad
Part NumberTDT-WUL1/4



3-10mm Spiral Twist Wood Drill Bits Set for Soft, Wood Bits Set, Drill Set for Wood, KEWAYO 8PCS Bit for Wood

KEWAYO #ad - High hardness, offer superior cutting power and durable. High quality material - classic high Carbon Steel Material for fast cutting against tough wood material.

Easy organizing - with a blister package for easy storage and organizing without fear of it falling out. Meet your demand - with the drill bits we offered, diameter:3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm, you can process 8 different diameter holes, which meet your different needs perfectly. Multipurpose - suitable for bench drill, hand drill and conventional electric drill. Perfect for wood, walnut, plastic, particleboard, Beech, Nylon, PVC, hard wood, plywood, PU, elm, Acrylic, fiberboard, rubber etc.
BrandKEWAYO #ad
ManufacturerKEWAY #ad
Part NumberK-3-10-1-A

8. Rowiz


Rowiz 8PCS Brad Point Drill Bits 3-10mm Spiral Twist Wood Drill Bits Set For Soft, Hard, Veneered And Laminated Wood Mdf Acrylic

Rowiz #ad - Suitable for soft wood, pu, Nylon, elm, Beech, hard wood, Walnut, Acrylic. Optimized spurs insure fast and easy cutting of the wood fibers before the hole is drilled. Beveled edge leads to clean drilling of the diameter without any deviation. Material: carbon steel; 1 set include 8 PieceDiameter:3mm 4mm 5mm 6mm 7mm 8mm 9mm 10mm. 3-10mm set of brad point drill bits, Wood drill bits, straight round shank, Spiral twist drill mill 8 Piece, Edge sharpness.
BrandRowiz #ad
ManufacturerSpeedy Racing #ad



P1 Tools 3PCS Titanium Uni Step Drill Bit Set,Sizes 3-12mm 4-12mm 4-20mm

P1TOOLS #ad - Quality p1 tools has enough strength in tools to do a good job of product quality. Easy drilling two-edged design provides faster and smoother cutting; less pressure is applied, sheet metal, this kit can cut wood, steel and other surfaces.

More useful and affordable tools are waiting for you to choose. Settings include 5 step drill bit: 4-12mm 4mm, 6mm, 6mm, 12mm, 6mm, 9mm, 11mm, 4mm, 8mm, 10mm, 10mm, 10mm, 7mm, 20mm ;10 step drill bit: 3-12mm 3mm, 18mm, 16mm, 14mm, 12mm; 9 step drill bit: 4-20mm 4mm, 8mm, 8mm, 5mm, 12mm. If you have any questions, please contact us. Wide application suitable for workpieces with hardness less than 25, wood board, thin iron plate, such as carbon steel, PVC board, insulating board, wood thickness less than 5MM. Materialmade of high-quality high-speed steel, plastic, hard and sharp enough to penetrate wood, steel and metal sheets.
BrandP1TOOLS #ad
ManufacturerP1TOOLS #ad
Part NumberNC-0007

10. uxcell


Uxcell Cemented Carbide Twist Drill Bits 4mm Metal Drill Cutter for Stainless Steel Copper Aluminum Zinc Alloy Iron 6 Pcs

uxcell #ad - Use note: please use low speed when drilling and note the temperature of carbide tip is not too high for extending drill bit life. Features: milled u-flutes with deep-cut spiral delivers fast material removal.

Use for: drilling clean, plastic, aluminum, brass, accurate holes in sheet metal, steel, wood, copper, stainless steel and cast iron. Round shank design: round shank twist drill bit can work with a electric drill Excluding in the item. Cemented carbide tip: 4mm twist drill bits are made of cemented carbide tip for long service life, more sharp and durable than others. Suitable for drilling in tough metal, including heavy-duty abrasive alloy and hardened steel.
Branduxcell #ad
Manufactureruxcell #ad
Part Numbera19121700ux0834