10 Sets Stainless Steel DIY Knife Handle Screws – M4 Bolts

Swayboo Stainless Steel Knife Handle Screws – 10-Set DIY Making Kit

Upgrade your knife-making projects with this precision-engineered set of 10 stainless steel knife handle screws from Swayboo. Designed for both straight knives and folding knives, these plum-style countersunk bolts deliver a secure, polished finish to any DIY handle build. Each set includes two unilateral screws plus a connecting rod, giving you everything needed for a clean, professional assembly. Made in Mainland China.

Why Choose These Knife Handle Screws?

• Premium Stainless Steel Construction – Corrosion-resistant material ensures long-lasting durability even with regular use.
• Two Size Options – Available for 5mm or 6mm knife handle hole diameters, covering the most common DIY knife builds.
• 10 Lengths to Choose From – Select from 10 different screw stem lengths (9mm to 40mm) to match your exact handle thickness.
• M4 Thread Standard – Universal M4 threading for reliable fastening and compatibility with standard knife-making hardware.
• Plum / Countersunk Head Design – Low-profile 2.5mm countersunk head sits flush with the handle surface for a sleek, snag-free finish.
• Versatile Use – Suitable for straight knives, folding knives, and a wide range of custom handle materials including wood, G10, Micarta, and more.

Package Contents

Each order includes 10 complete sets. Each set contains:

• 2 × Unilateral Screw
• 1 × Connecting Rod

Specifications

Size Reference — 5mm Stem Diameter

Size Reference — 6mm Stem Diameter

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Frequently Asked Questions

Q: What knife handle hole sizes do these stainless steel screws fit?

A: These DIY knife handle screws are available in two stem diameter options — 5mm and 6mm — to fit the most common knife handle hole sizes. Be sure to select the correct diameter to match your handle material before ordering.

Q: How many screws are included in each set, and what do I receive in total?

A: Each set contains 2 unilateral screws and 1 connecting rod. The pack includes 10 complete sets, giving you a total of 20 unilateral screws and 10 connecting rods — ideal for multiple knife handle builds or bulk DIY projects.

Q: Are these knife handle screws suitable for folding knives as well as fixed-blade knives?

A: Yes! These M4-threaded stainless steel screws are designed for use with both straight (fixed-blade) knives and folding knives. The wide range of lengths (full lengths from 14mm to 45mm) makes them adaptable to handles of varying thicknesses.

Q: What materials can I use these handle screws with?

A: The countersunk plum bolt design works well with a variety of handle materials commonly used in DIY knife making, including wood scales, G10, Micarta, carbon fiber, and stabilized wood. The flush-sitting head ensures a clean, professional look on any material.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.