M3-M8 Wood Screws | DIN 97 Countersunk & DIN 7997 Pozi/Phillips Series

High-performance M3-M8 Wood Screws designed for superior holding power in soft and hardwoods. Featuring a sharp, tapered point and coarse threads, these wood fasteners minimize splitting while providing high pull-out resistance. Available in 304/316 Stainless Steel and Yellow Zinc Plated Carbon Steel, ideal for furniture assembly, decking, and timber framing.

  • Sizes: Metric M3, M3.5, M4, M4.5, M5, M6, M8
  • Head Styles: Flat/Countersunk, Pan, Round, Oval
  • Drive Type: Phillips, Pozi, Torx (Star Drive), Slotted
  • Feature: Sharp Type 17 point for fast start and clean penetration.
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Premium M3-M8 Wood Screws: The Professional Choice for Timber Fastening

Our M3-M8 Wood Screws are specifically engineered to provide maximum grip and structural integrity in all types of wood applications. Unlike standard machine screws, these wood fasteners feature an aggressive coarse thread design and a sharp, tapered point that allows for smooth penetration into softwoods, hardwoods, and composite materials. Whether you are a large-scale furniture manufacturer or a construction wholesaler, our DIN 97 and DIN 7997 series deliver the performance and reliability your projects require.

As a leading wood screw factory, we focus on precision manufacturing using hardened carbon steel and 304/316 stainless steel, ensuring our screws can handle the stresses of timber expansion and environmental exposure without snapping or rusting.

Key Advantages of Our Professional Wood Fasteners

  • Enhanced Holding Power: The deep, sharp coarse threads bite into the wood fibers, offering superior pull-out resistance compared to standard screws.
  • Self-Countersinking Heads: Our Countersunk (Flat Head) screws feature nibs under the head that allow the screw to sit flush or below the surface without pre-boring.
  • Advanced Drive Systems: Available in Torx (Star) and Pozi drives to prevent cam-out and ensure maximum torque transfer during high-speed installation.
  • Anti-Splitting Technology: Specialized Type 17 points act like a mini drill bit, clearing wood chips and reducing the risk of splitting the timber, even near edges.

Technical Data: M3 – M8 Wood Screw Dimension Chart

Select the correct metric wood screw size to ensure optimal performance in your furniture or construction project.

Thread SizeHead Dia (mm)Drive SizeThread Type
M3.57.0 mmPozi #2Full/Partial Thread
M4.08.0 mmPozi #2 / Torx T20Full/Partial Thread
M5.010.0 mmPozi #2 / Torx T25Partial Thread
M6.012.0 mmPozi #3 / Torx T30Partial Thread
M8.016.0 mmTorx T40Partial Thread

Applications in Woodworking & Construction

Our M3-M8 Timber Screws are essential components for various high-demand sectors:

  • Furniture Manufacturing: Ideal for assembling cabinets, wardrobes, and tables using M3.5 and M4 screws.
  • Decking & Outdoor Structures: SS316 wood screws provide long-term corrosion resistance for boardwalks and pergolas.
  • Timber Framing: Heavy-duty M6 and M8 screws are used for structural connections in wooden house frames.
  • Interior Joinery: Securing skirting boards, door frames, and window trims with a clean, professional finish.

Wood Screw Frequently Asked Questions

Q: Why use a partial thread instead of a full thread?
A: Partial thread wood screws are designed to pull two pieces of wood tightly together. The unthreaded shank allows the top piece to be drawn closer to the bottom piece for a gap-free joint.

Q: Do I need to pre-drill a pilot hole?
A: For softwoods, pre-drilling is often unnecessary with our sharp points. However, for hardwoods or when using large M8 screws, a pilot hole is recommended to prevent the wood from cracking.

Direct Factory Source for M3-M8 Wood Screws

Seeking bulk wood screws with consistent quality and competitive factory pricing? We support OEM customization and global wholesale. Contact us today for a free quote and technical samples!

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Material

SS304, SS316, Carbon Steel (Hardened)

Standard

DIN 97, DIN 7997, DIN 95, DIN 96

Surface Finish

Yellow Zinc, White Zinc, Plain, Black Oxide

Thread Size

M3, M3.5, M4, M4.5, M5, M6, M8

Head Style

Countersunk , Pan , Oval

Thread Type

Coarse Thread / Partial Thread