From a China-based Manufacturer, I supply knurled thumb screws that keep fixtures secure and speed setup. We design these screws to withstand industrial environments, with knurled heads for easy hand tightening even in gloves. Our knurled thumb screws come in stainless steel 304 or 316, brass, and zinc alloy finishes, with M3 to M6 or larger threads. They resist corrosion and vibration, perfect for jigs, fixtures, and equipment enclosures. I control manufacturing from raw material to finish, so you get consistent quality and on-time delivery. We offer bulk pricing, short lead times, and customization options like heat treatment, drive type, and surface finish. If you want a China-based solution that acts as a reliable Manufacturer partner, company detail {} can be provided on request, and we can tailor packaging and labeling to your requirements and ship globally. Contact me for samples and a quote, and I’ll guide you through the best knurled thumb screw choice for your application.
Knurled thumb screws provide reliable hand-tightened fastening for electronics, equipment, and instrumentation. This year, buyers seek a wide material range (stainless steel, aluminum, brass, engineered plastics), finishes (zinc, black oxide), and thread forms (metric M3–M16, UNC/UNF) to fit diverse environments. The knurled grip enables tool-free adjustment, while coatings and stainless grades boost life in harsh or moist settings. Consistent tolerances and short lead times remain crucial for high-volume assemblies. Global buyers should demand traceability: mill test reports, RoHS/REACH compliance, and lot codes, plus scalable customization (size, grip pattern, coating). Assess total cost, including packaging, shipping, and returns, and consider supply-chain resilience. A reliable partner offers samples, cross-border availability, and responsive support to keep projects on schedule across regions this year.
| Product ID | Knurl Pattern | Size (Thread x Length) | Material | Finish | Head Style | Drive Type | Length (mm) | Hardness (HRC) | Load (N) | Certifications | Country of Origin | Year Introduced |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PKN-001 | Diamond | M4 x 8 | Stainless Steel 304 (A2) | Satin | Flat Head | Thumb | 8 | 21-25 | 40 | RoHS, Reach | China | 2026 |
| PKN-002 | Circular Diamond | M5 x 12 | Stainless Steel 304 (A2) | Black Oxide | Knurled Flat Head | Thumb | 12 | 22-26 | 60 | RoHS | Taiwan | 2026 |
| PKN-003 | Diamond Fine | M6 x 10 | Alloy Steel | Zinc-Plated | Knurled Round Head | Thumb | 10 | 24-28 | 90 | RoHS | USA | 2026 |
| PKN-004 | Diamond | 1/4"-20 x 1" | Stainless Steel 316 | Satin | Knurled Round Head | Thumb | 25 | 26-32 | 120 | RoHS, Reach | China | 2026 |
| PKN-005 | Knurled Round | M8 x 15 | Alloy Steel | Black Oxide | Flat Head | Thumb | 15 | 28-32 | 140 | RoHS | Germany | 2026 |
| PKN-006 | Round Knurl | M3 x 5 | Brass | Nickel Plated | Knurled Round Head | Thumb | 5 | 18-22 | 30 | RoHS | Japan | 2026 |
| PKN-007 | Diamond Fine | M5 x 8 | Stainless Steel 304 | Satin | Low-Profile | Thumb | 8 | 22-26 | 70 | RoHS, Reach | Taiwan | 2026 |
| PKN-008 | Diamond Coarse | M6 x 10 | Stainless Steel 316 | Black Oxide | Knurled Flat Head | Thumb | 10 | 26-31 | 110 | RoHS | China | 2026 |