Folding Knife Thumb Stud & Axis Screw – 416 Stainless Steel DIY

Swayboo 416 Stainless Steel Folding Knife Thumb Stud & Axis Screw Set

Upgrade or repair your folding knife with this precision-machined thumb stud and axis screw set by Swayboo. CNC-lathed from high-grade 416 stainless steel, these rivets and push-button axis screws deliver exceptional strength, corrosion resistance, and a secure fit — ideal for DIY knife makers and enthusiasts who demand reliable hardware for their builds.

Key Features

• Premium 416 Stainless Steel: CNC lathe-machined for tight tolerances, high strength, and lasting durability.
• Universal 4mm Hole Fit: Designed for a 4mm hole diameter — compatible with a wide range of folding knife handle designs.
• Versatile Blade Thickness Range: Accommodates blade thicknesses from 3.4mm to 4.5mm for a secure, wobble-free lock.
• Complete Set Included: Each package contains 2 complete screw sets — each set includes 2 unilateral screws + 1 connecting rod.
• No Hazardous Chemicals: Free from high-concern substances, safe for regular DIY use.
• Home DIY Friendly: Perfect for knife handle customization, restoration, or new builds.

Specifications

What's in the Box?

• 2× Complete Screw Sets
• Each set: 2 unilateral screws + 1 connecting rod

Perfect For

• DIY folding knife making and customization
• Knife handle repair and restoration
• Replacing worn or damaged axis screws and thumb studs
• Hobbyist and professional knifemakers alike

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Frequently Asked Questions

Q: What knife handle hole diameter is compatible with this thumb stud and axis screw set?

A: This folding knife thumb stud and axis screw set is designed for a 4mm hole diameter. Make sure your knife handle or scales have a 4mm mounting hole to ensure a proper fit.

Q: What blade thicknesses does this axis screw set support?

A: The Swayboo 416 stainless steel axis screw set can securely fasten blades ranging from 3.4mm to 4.5mm thick, providing a firm, stable lock across a wide range of folding knife blade profiles.

Q: How many screws are included in the package?

A: The package includes 2 complete sets. Each set contains 2 unilateral screws and 1 connecting rod, giving you a total of 4 unilateral screws and 2 connecting rods — enough for one full installation with a spare set.

Q: Is 416 stainless steel suitable for outdoor or heavy-use knife applications?

A: Yes. 416 stainless steel is a free-machining grade known for its excellent machinability and good corrosion resistance, making it well-suited for folding knife hardware that sees regular handling and exposure to everyday environments.

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.