Knurled Thumb Nuts, Stainless Steel 18-8, #4-40 (3/8" Dia x 1/4" THK)
USA Made Thumb Nut in 18-8 Stainless Steel
Knurled Thumb Nuts in Stainless Steel 18‑8 are precision‑machined fasteners made in the USA for projects that require strength, corrosion resistance, and a clean appearance. These thumb nuts are designed for easy hand tightening, making them ideal for situations where frequent adjustments are needed without tools.
- Hand‑tightened design: Easily install or remove without wrenches or screwdrivers
- 18‑8 stainless steel: Resists rust and provides long‑lasting durability indoors and outdoors
- Decorative finish: Creates a polished look on lighting fixtures, furniture, and restoration projects
- Knurled grip: Textured edge gives extra hold for a secure, comfortable turn by hand
- Made in the USA: Quality manufacturing for consistent performance
Available in sizes from #2‑56 to 3/8″‑16, these thumb nuts are commonly used in furniture assembly, lighting installations, antique car and motorcycle restorations, and custom builds. Order by the piece, in convenient packs, or in bulk to take advantage of volume pricing.
| Nut Size/Inner Diameter | Outer Diameter | Thickness |
| #2-56 | 1/4" | 1/4" |
| #4-40 | 3/8" | 1/4" |
| #6-32 | 3/8" | 1/4" |
| #8-32 | 7/16" | 1/4" |
| #10-24 | 1/2" | 21/64" |
| #10-32 | 1/2" | 21/64" |
| 1/4"-20 | 5/8" | 3/8" |
| 5/16"-18 | 11/16" | 13/32" |
| 3/8"-16 | 3/4" | 7/16" |
Product number:
1018-10102-0002