Knurled Thumb Screws / Knurled Washer Face Thumb Screws

Washer Face Thumb Screws


Washer face thumb screws are designed for quick and tool-free fastening applications. They are often used in manufacturing applications for components that require repeated removal by hand. The integrated washer face helps protect panel surfaces while supporting consistent clamping in light-duty assemblies.

Order Stainless Steel Washer Face Thumb Screws in Bulk and Custom Quantities

Use the options below to order stainless steel washer face thumb screws. We also offer aluminum options by request. Questions? Contact our office, and the team at RC Fasteners will gladly assist you in getting the right knurled washer face thumb screws for your application. For washer face thumb screws in custom sizes and diameters not available off the shelf, send us your drawings, and we'll provide you with a quote.

Fastener_Spec_click_to_view

For repeat and volume customers, please call or request a quote.
 

What Is a Washer Face Thumb Screw?

A washer face thumb screw is a one-piece fastener that combines a knurled head with a washer surface formed directly into the underside of the head. Because the washer is integrated into the design, no separate component is required during installation.
The knurled head allows for hand tightening, while the built-in washer distributes load across a broader surface area. This construction simplifies assembly and reduces part handling compared to traditional thumb screw and washer combinations.

Benefits of the Knurled Washer Face Thumb Screw Design

The washer face design offers several practical advantages for manufacturers:
  • Load distribution: Spreads clamping force across a wider surface area.
  • Surface protection: Helps reduce marring on painted panels, housings, and covers.
  • Improved clearance: Slight separation between the head and surface can make removal easier by hand.
  • Reduced part count: Eliminates the need for a separate washer, simplifying inventory and assembly.

Common Applications for Washer Face Thumb Screws

Washer face thumb screws are frequently used in:
  • Electronic enclosures
  • Equipment access panels
  • Service covers and removable guards
  • Consumer and commercial electronics
  • Components requiring routine inspection or cleaning

Selection Considerations for Knurled Washer Face Thumb Screws

There are several considerations when choosing the right washer face thumb screws for each application, including:
  • Thread size, including UNC, UNF, or metric
  • Thread length and grip range
  • Head diameter and knurl style
  • Panel thickness and mating material
  • Required finish or corrosion resistance
If you're unsure which options are right for your project, the team at RC Fastener can assist in identifying the correct specifications for your application.

Washer Face Thumb Screw Size Options from RC Fastener

We stock washer face thumb screws in commonly specified inch thread sizes and lengths.

Available Thread Sizes

  • 4-40
  • 6-32
  • 8-32
  • 10-32
  • 1/4-20

Available Thread Lengths

  • 5/16 inch
  • 3/8 inch
  • 7/16 inch
  • 1/2 inch
  • 5/8 inch
  • 3/4 inch

Why Choose RC for Knurled Washer Face Thumb Screws?

At RC Fastener, we supply knurled washer face thumb screws and other fastening products to OEMs and industrial customers nationwide. We are dedicated to providing superior quality, fast turnaround, and helpful support throughout your purchasing experience. With RC Fasteners, you can rely on:

Learn How RC Fastener Can Be Your Stainless Steel Washer Face Thumb Screw Supplier

Contact RC Fastener today to discover how we can be your supplier for washer face thumb screws, or request a quote to start a custom order. Looking for other similar fasteners? Check out our selection of standard thumb screws and electronic hardware for manufacturing.