Stainless Steel Thumb Stud Screw Set – DIY Folding Knife Parts

Swayboo DIY Folding Knife Thumb Stud Screw Set

Upgrade or customize your folding knife with this precision-machined stainless steel thumb stud and screw set from Swayboo. Designed for knife makers and DIY enthusiasts, this 1-set package gives you everything you need to add a smooth, functional thumb stud to your custom folding blade build.

Key Features

• Premium 416 Stainless Steel: CNC lathe-machined from 416-grade stainless steel for durability, corrosion resistance, and a clean finish.
• Precise Fit: Compatible with folding knives featuring a hole diameter of 4mm and a blade thickness range of 2–2.8mm.
• Easy One-Hand Opening: The thumb stud button design allows for smooth, one-handed blade deployment — ideal for custom EDC and pocket knife builds.
• DIY & Customization Ready: Perfect for hobbyists, bladesmiths, and knife makers looking to personalize or repair their folding knife hardware.
• Complete Set: Package includes 1 complete set of push nail/thumb stud screw parts — everything you need in one package.

Specifications

• Brand: Swayboo
• Material: 416 Stainless Steel (CNC machined)
• Compatible Hole Diameter: 4mm
• Compatible Blade Thickness: 2–2.8mm
• Type: Hand Tool Parts / Knife Hardware Accessory
• Use: Home DIY, Custom Knife Making
• High-Concern Chemicals: None
• Country of Origin: Made in China

What's in the Box?

• 1 × Thumb Stud Screw Set (Push Nail Parts)

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Frequently Asked Questions

Q: What size folding knife is this thumb stud screw set compatible with?

A: This stainless steel thumb stud set is designed for folding knives with a hole diameter of 4mm and a blade thickness between 2mm and 2.8mm. Please verify your knife's dimensions before ordering to ensure a proper fit.

Q: What material is used in the Swayboo thumb stud screw set?

A: The thumb stud and screw parts are precision CNC machined from 416-grade stainless steel, offering excellent strength, a polished finish, and resistance to everyday wear and corrosion.

Q: Can I use this set to repair an existing folding knife or only for new builds?

A: This set is versatile — it works great both for DIY custom knife builds and for replacing worn or lost thumb stud hardware on an existing folding knife, as long as the blade meets the 4mm hole / 2–2.8mm thickness specifications.

Q: How many pieces are included in one set?

A: Each order includes 1 complete set of push nail / thumb stud screw parts, which contains all the components needed to install a functioning thumb stud on your folding knife.

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.