M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY Knife Handle Screws Qst as picture 6MM-10-10PCS

M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY

as picture / 6MM-10-10PCS
$29.72 $37.28
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M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY Knife Handle Screws Qst as picture 6MM-10-10PCS
  • M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY Knife Handle Screws Qst as picture 6MM-10-10PCS
  • M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY Knife Handle Screws Qst
  • M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY Knife Handle Screws Qst
  • M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY Knife Handle Screws Qst
  • M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY Knife Handle Screws Qst
  • M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY Knife Handle Screws Qst
M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY

M3.5/M4 Stainless Steel Knife Handle Lock Screws – 10 Sets DIY

$29.72 $37.28
Coloras picture

Swayboo Stainless Steel Knife Handle Lock Screws – 10 Sets

Build or restore folding knives with confidence using these precision-machined stainless steel lock screws from Swayboo. Whether you're a seasoned knife maker or a DIY enthusiast, these handle pivot screws provide a secure, clean fit for folding knife handles — keeping your blade assembly tight and reliable for the long haul.

Each set includes 2 unilateral countersunk screws + 1 connecting rod, giving you everything needed to assemble a single pivot point. With 10 sets per pack, you'll have plenty of hardware for multiple builds or repairs.

Available in multiple sizes to suit knife handle hole diameters of 5mm and 6mm, with full lengths ranging from 12mm to 43mm (tightened both sides) — so you can choose exactly the right fit for your project.

Made in Mainland China.

Key Features

  • Material: High-quality stainless steel — corrosion-resistant and durable
  • Thread options: M3.5 and M4 threading available across size variants
  • Stem diameter: 5mm or 6mm to suit your handle hole
  • Countersunk head thickness: 1.5mm for a flush, clean finish
  • Wide size range: 10 size options per hole diameter (12mm – 43mm full length)
  • Pack contents: 10 complete sets (20 unilateral screws + 10 connecting rods)
  • No high-concern chemicals — safe for everyday DIY use

Full Size Reference Chart

For 5mm Handle Hole Diameter

No. Full Length Stem Length Stem Dia. Nut Dia. Thread
1 17mm 14mm 5mm 10mm M4
2 19mm 16mm 5mm 10mm M4
3 20mm 17mm 5mm 7mm M3.5
4 23mm 20mm 5mm 7mm M3.5
5 12mm 9mm 5mm 7mm M3.5
6 15mm 12mm 5mm 7mm M3.5
7 28mm 25mm 5mm 7mm M3.5
8 33mm 30mm 5mm 7mm M3.5
9 38mm 35mm 5mm 7mm M3.5
10 43mm 40mm 5mm 7mm M3.5

For 6mm Handle Hole Diameter

No. Full Length Stem Length Stem Dia. Nut Dia. Thread
1 17mm 14mm 6mm 7mm M3.5
2 19mm 16mm 6mm 7mm M3.5
3 20mm 17mm 6mm 7mm M3.5
4 23mm 20mm 6mm 7mm M3.5
5 12mm 9mm 6mm 7mm M3.5
6 15mm 12mm 6mm 7mm M3.5
7 28mm 25mm 6mm 7mm M3.5
8 33mm 30mm 6mm 7mm M3.5
9 38mm 35mm 6mm 7mm M3.5
10 43mm 40mm 6mm 7mm M3.5

What's in the Box?

  • 10 × complete screw sets
  • Each set: 2 × unilateral countersunk screws + 1 × connecting rod

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Frequently Asked Questions

Q: What thread sizes are available for these knife handle lock screws?

A: These stainless steel knife handle screws are available in M3.5 and M4 thread sizes, depending on which size variant you select. Most sizes use M3.5 threading, while NO1 and NO2 in the 5mm hole diameter range use M4 threading.

Q: How many screws are included in each pack of these folding knife pivot screws?

A: Each pack contains 10 complete sets. Every set includes 2 unilateral countersunk screws and 1 connecting rod, giving you a total of 20 screws and 10 rods — enough to outfit multiple DIY knife builds or handle repairs.

Q: Are these knife handle rivets suitable for both 5mm and 6mm handle hole diameters?

A: Yes — these stainless steel spindle axis screws are available for both 5mm and 6mm handle hole diameters. Each hole diameter option comes in 10 different full lengths (from 12mm up to 43mm when tightened both sides), so you can choose the exact fit for your specific knife handle thickness.

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

A: These pivot screws and connecting rods are made entirely from stainless steel, making them corrosion-resistant and durable for long-lasting use in knife making and DIY handle assembly projects. No high-concern chemicals are present in the materials.

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.

Intentional design

We make things that work better and last longer. Our products solve real problems with clean design.

Quality first

We obsess over the details and strive to deliver the best products at the best prices, every time.

Customer care

We're always on your side: keeping our loyal customers happy is our top priority and number one goal.

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Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.

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Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.

At the heart of every product lies a unique story, driven by our passion for quality and innovation. Each item enhances your everyday life and sparks joy.