Best 4 mm wood drill bit sets review 2021 – Top Pick

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Best 4 mm wood drill bit sets list 2021. Detail review below the list:

Last updated on July 4, 2021 3:29 pm

Detail review:

HONJIE 7PCS Countersink Drill Bit Set for Wood,3mm 4mm 5mm 6mm 7mm 8mm 10mm Twist Drill Bit Set Kit Tool with L Shape Hex Key Wrench
as of July 4, 2021 3:29 pm


  • Packing includes:7 Size Countersink Drill Bits,3mm/4mm/5mm/6mm/7mm/8mm/10mm (1x 2.5mm hex key wrench for free).
  • Metal cobalt drill bit set made of good quality high speed steel material,durable,and high hardness,provide great cutting power.
  • Convenience cobalt drill bit set,can be easy to combination/removing by 2.5mm hex key to adjust,all the drill bits are removable and adjustable(Length)
  • Classical 3 pointed design,can be accurately drill a smooth hole fast,there have 5-edged help to discharge chips from the hole on both sides automatically.
  • Drill bit set widely fit for bench drill, hand drill and conventional electric drill. greatly for wood, fiberboard, particleboard, plywood, plastic, pvc, rubber etc.

Driak 4-52mm Metric HSS Titanium Surface Step Drill Bit Set for Wood Metal Hard Materials Hole Drilling Tool
as of July 4, 2021 3:29 pm


  • 4-32mm HSS Step Cone Drill Bit Set Titanium Metric Hole Cutter Tools
  • Material: High speed steel
  • Surface treatment: Titanium
  • TWO-FLUTE DESIGN: clears chips faster and allows particles to escape easily
  • compared with ordinary twist drill. Shaking small, do not need to use the central punch can also open a beautiful aperture out.

Knoweasy HSS Titanium Coated Spiral Grooved Step Drill 3-Piece Set,4-12mm/4-20mm/4-32mm Drill Bits Set,Used for Drilling Plate Aluminum Metal Wood Hole, Large Hole Drill Suitable for DIY Lovers
as of July 4, 2021 3:29 pm


  • ✅【High Quality Material:】HSS 4241 & classic high speed steel with titanium coating for strength and longevity.
  • ✅【 Double-edged Design:】The hexagonal shank titanium drill uses a double-edged design to make cutting smoother and smoother.
  • ✅【 Product Feature:】4-12mm / 4-20mm / 4-32mm,Handle: 1/4" quick-change hex shank for drilling, drill holes of different sizes.
  • ✅【Application:】Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper,iron sheet and many other types of sheet metal.
  • ✅【After Sales Warranty:】Your customer satisfaction and 12 months warranty of step drill bit can be guaranteed.

RSOIRS Drill Bit Sets Hss 1/4 Inch Hex Shank Brad Point Twist Drill Bits Set Quick Change 5Pcs 4-10Mm for Wood Wood Tools
as of July 4, 2021 3:29 pm


  • Commonly used to drill holes when installing hubs, mail boxes and electrical operation.
  • The innovative design of the flute removes the material more quickly for easier drilling.
  • Perfect for all woodworking.
  • Material: Carbon steel
  • Size: 4mm, 5mm, 6mm, 8mm, 10mm

5PCS Extra Long High-speed Steel Drill Bit Sets Straight Shank Twist Drill Bit Tool 2-5mm for Wood

Free shipping
as of July 4, 2021 3:29 pm


  • High speed steel have a high hardness for fast, smooth cutting of plywood, hard wood and soft wood, swift bore
  • Precision ground for clean cuts and easier fastening
  • Comes in a sturdy case with a comfortable grip handle
  • It includes 5 sizes in one drill bit set(2mm,3mm,3.5mm,4mm,5mm), which meet your different needs perfectly
  • Ideal for most drilling jobs and materials such as aluminum, iron, wood, plastics

uxcell Step Drill Bits Set HSS 3-12mm 4-12mm 4-20mm Titanium Coated Straight Flutes Hex Shank for Metal Wood Plastic

Free shipping
as of July 4, 2021 3:29 pm


  • Shank Type: 6mm Hex Shank; Material: High Speed Steel with Titanium Coated; Drilling Diameters: [5 Steps]: 4mm, 6mm, 8mm, 10mm, 12mm; [9 Steps]: 4mm, 6mm, 8mm, 10mm,12mm, 14mm, 16mm, 18mm, 20mm; [10 Steps]: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm,12mm.
  • This step drill bit is durable and strong enough to punch and drill clean holes in materials like metal, wood, etc.. It can also help to enlarge existing holes and clean edges.
  • It is Great for drilling holes for iron, metal, aluminum, copper, wood, plastic, PVC board and many other types of sheets.
  • Suitable for hand-held drilling rigs, drilling machines, milling machines and machining centers, for metal sheet, maintenance and modification, bridge doors and windows, home appliances, etc..
  • Note: High temperature will affect the working life, please use coolant while drilling on metals to ensure the drill bit working properly. Please keep it properly preserved. Avoid falling the bits from high place.

Hymnorq 1.0 to 10mm Metric Jobber Twist Drill Bits Set of 19pcs Titanium Coated HSS 4241, Straight Shank for General Purpose in Wood Plastic and Soft Metal Sheet
as of July 4, 2021 3:29 pm


  • 19pcs of Metric Twist Drill Bits - 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 7.5mm, 8.0mm, 8.5mm, 9.0mm, 9.5mm, 10.0mm. Enough for daily use.
  • HSS 4241 - Made of high speed steel 4241 and coated with titanium for rust prevention.
  • Straight Shank and 118° Point Angle - Straight shank for standard drill chucks and collet chuck to hold firmly, assuring accurate centering; Helical flute for swarf to easily get out; standard 118-degree point configuration is ideal for general purpose drilling applications.
  • Usage - Mainly used for drilling wood and plastic, occationally for drilling soft metal like aluminium. Economic choice for home DIY, building and engineering use etc.
  • Satisfaction Guaranteed - Here at Migiwata we only care about your satisfaction. We try our best to ensure each product is in perfect condition before you get it, but if something is not up to your satisfaction, please contact us for a full refund or replacement.

Jucoan 14 Pack Counter Sink Drill Bits Set, High Speed Steel Three Pointed Drills Chamfer Tool with 1 Hex Key Wrench for Wood, Plastic, Metal (3mm, 4mm, 5mm, 6mm,7mm, 8mm, 10mm)
as of July 4, 2021 3:29 pm


  • Set includes 14 pcs of countersink drill bits (size:3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 10mm) and 1 pcs Hex Key Wrench to help assemble.
  • Made of high quality carbon steel material, high hardness, sharp blades, ideal for cutting through metal, wood and plastic quickly and easily.
  • Three-pointed designed drills helps to quickly and accurately drill a smooth clean hole. Suitable for bench drill, hand drill and conventional electric drill
  • Very convenient to change the bits with the included mini hex wrench which loosens and tightens the bits to hold and release as needed
  • Perfect for drilling of thin aluminum board, wood board, PVC board, plastic, rubber and other insulation board

Qibaok Step Drill Bit Set with Automatic Center Punch, 3 PCS HSS Titanium Hex Shank Step Cone Drill Bits for Plastic, Wood, Aluminum, Metal Sheet, Metric 4-12/4-20/4-32mm
as of July 4, 2021 3:29 pm


  • 【Material】 HSS 4241 & classic high speed steel with titanium coating for strength and longevity.
  • 【Package】 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ) + 1 Automatic Center Punch.
  • 【Easy Drilling】 Two-fluted design provides faster, smoother cutting, provided with small pressure and the sets. Stepped grooves prevent slippage in the chuck.
  • 【Wide Usages】 Perfect Step Drill Bits for home DIY and general building supervision / engineering use. Ideal used to drill holes in various material like iron plate, aluminum plate, wood, PVC sheet, insulation boards, etc.
  • 【Guarantee & Friendly Customer Service】 Refund/ Replacement for ANY reasons. Any problems, please feel free to contact us Qibaok, we will try our best to help you at the first time. Happy shopping~

eoocvt 6pcs 3-8mm Titanium HSS Drill & Saw Bit Set Cutting Carpenter Wood Metal
as of July 4, 2021 3:29 pm


  • Brand new and high quality.
  • Longer life and durability.
  • Suitable for thin wood,metal, plastic plates pull grooving.
  • Made use of HSS high speed steel material with titanium coated, drill bits body edge sharp, faster with less effort.

Best 4 mm wood drill bit sets Buying Guide

Before you buy a 4 mm wood drill bit sets , you should clarify your doubts in advance. Get help from other users’ opinions. Are there other things to consider besides the details described? Is the color correct, as you saw in the picture of the online shop? What is the actual content? Does the product still work after being exposed to water?

These are all questions that you as a consumer will surely ask. The manufacturers certainly want to achieve high sales with their products. The better known the brand is, the better the products are. Of course, there are also small and unknown brands that offer high quality products.

Therefore, pay attention to additional purchasing criteria. After all, it’s obvious that price is a deciding factor. If the price is not proportional to the quality, I recommend that you buy another product.


With the best 4 mm wood drill bit sets review & guide above. I hope you find the best product easier. Thanks for taking the time to read my article

Updated: January 16, 2021 — 8:40 am