Stainless Steel Knife Handle M4 Lock Screws – 10 Sets DIY Parts

Swayboo 416 Stainless Steel Knife Handle Lock Screws – 10-Set Pack

Elevate your knife-making craft with these precision-engineered 416 stainless steel M4 thread lock screws from Swayboo. Designed in the iconic Shirogorov style, this 10-set pack delivers a secure, corrosion-resistant fastening solution for custom knife handles — perfect for hobbyist and professional bladesmiths alike.

Key Features

• Premium 416 Stainless Steel – High-grade, corrosion-resistant material ensures long-lasting durability for your builds
• M4 Thread Standard – Compatible with a wide range of DIY knife handle projects
• Two Hole Size Options – Fits knife handle hole diameters of both 5mm and 6mm
• 10 Size Variants Available – Full lengths ranging from 12mm up to 43mm, covering virtually any handle thickness
• Shirogorov Knives Style – Countersunk head design (1.5mm thickness) with 12mm nut diameter for a clean, professional finish
• No High-Concern Chemicals – Safe materials, suitable for confident everyday handling
• 10 Sets Per Pack – Great value for ongoing DIY projects or multiple builds

Full Specifications

Material: 416 Stainless Steel | Thread: M4 | Nut Diameter (ND): 12mm | Head Thickness (HD): 1.5mm | Stem Diameters: 5mm or 6mm

Available Sizes – 5mm Stem Diameter

Available Sizes – 6mm Stem Diameter

Made in Mainland China.

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Frequently Asked Questions

Q: What material are these knife handle lock screws made from?

A: These fasteners are crafted from 416 stainless steel, a high-grade, corrosion-resistant alloy ideal for knife-making and DIY handle projects. The material ensures durability, a clean finish, and reliable performance over time.

Q: What handle hole diameters do these M4 lock screws fit?

A: The screws are available in two stem diameter options — 5mm and 6mm — to suit the most common knife handle hole sizes. Be sure to select the correct diameter variant when ordering.

Q: How many sizes are included and what lengths are available?

A: Each pack contains 10 sets of knife handle lock screws. You can choose from 10 different full-length sizes ranging from 12mm to 43mm, accommodating a wide variety of knife handle thicknesses for custom DIY builds.

Q: Are these screws compatible with Shirogorov-style knife handles?

A: Yes. These fasteners are specifically designed in the Shirogorov knives style with an M4 thread, 12mm nut diameter, and 1.5mm countersunk head thickness — providing an authentic fit and professional look for Shirogorov-inspired custom knife builds.

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.