Stainless Steel Knife Handle Lock Screws M4 T8 Torx – 10 Sizes

Upgrade your knife-making or handle repair project with the Swayboo 416 Stainless Steel Knife Handle Locking Rivets. This comprehensive set includes 5 sets (50 screws total) across 10 different sizes, giving you the flexibility to fit a wide range of handle thicknesses with ease. Machined via CNC for precise tolerances, these M4-thread, T8 Torx-head lock screws are built to hold knife scales firmly and securely — whether you're a knife-making hobbyist or a seasoned craftsperson.

Made in Mainland China.

Why Choose These Knife Handle Lock Screws?

• Premium 416 Stainless Steel — Corrosion-resistant and durable for long-lasting handle security
• CNC Machined Precision — Consistent threads and dimensions for a flush, professional fit every time
• 10 Size Variety — Stem lengths from 9mm to 40mm; suits both 5mm and 6mm handle hole diameters
• M4 Thread / T8 Torx Head — Countersunk head design for a clean, flush finish on handle scales
• Value Pack — 5 sets × 10 size options so you always have the right screw on hand

Product Specifications

• Material: 416 Stainless Steel
• Thread Model: M4
• Head Type: T8 Torx Countersunk
• Nut Diameter (ND): 7mm (all sizes)
• Countersunk Head Thickness (HD): 2.4mm (all sizes)
• Compatible Hole Diameters: 5mm or 6mm
• Package Contents: 5 sets × 10 sizes = 50 screws (bolts + nuts)

Size Chart – 5mm Stem Diameter

Size Chart – 6mm Stem Diameter

Perfect For

• DIY knife making and handle assembly
• Custom handle scale installation (wood, G10, micarta, bone)
• Knife restoration and repair
• Bladesmithing workshops and hobbyist projects

Looking for other quality tools and accessories? Check out the 2.3m Flexible Drain Cleaning Brush for handy home maintenance, or explore the Bincoo Coffee Tamper & Distribution Set for precision craftsmanship in another hobby.

Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What knife handle hole sizes are these stainless steel lock screws compatible with?

A: These knife handle locking rivets are designed to fit handle hole diameters of 5mm or 6mm. The set includes 10 different stem lengths (9mm to 40mm) to accommodate various handle thicknesses across both diameter options.

Q: What tool do I need to tighten the T8 Torx head screws?

A: You will need a T8 Torx (star) screwdriver or bit to install and tighten these lock screws. The countersunk head design allows the screw to sit flush with the surface of your knife handle for a clean, professional finish.

Q: How many screws are included in this set?

A: Each listing includes 5 sets × 10 sizes, for a total of 50 screw and nut pairs — giving you a wide selection of sizes to cover a variety of handle thicknesses in one purchase.

Q: Are these screws resistant to rust and corrosion?

A: Yes. These screws are made from 416 Stainless Steel, which offers excellent corrosion resistance, making them well-suited for kitchen knives, outdoor blades, and everyday carry handles exposed to moisture.

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.