The product is a #4-40 UNC-3A screw with a shoulder diameter of 0.124 inches and a shoulder length of 0.2515 inches, made from 303 stainless steel. It features a Class 3A thread and has a 45¬8 chamfer on both ends. This fastener is suitable for applications requiring corrosion resistance and durability, making it ideal for various industrial and mechanical assemblies. The precise dimensions and material properties ensure compatibility with standard fastening requirements.
Industrial fasteners are hardware devices that join two or more items together, creating a semi-permanent or permanent connection. The fasteners most frequently used by machinery designers are screws, nuts, retaining rings, and various types of pins because of the basic role that they play in the assembly of mechanisms. Various industrial hardware components are used in the assembly process including knobs, washers, spacers, shims, handles, springs, spring-powered reels, and ball plunger screws.
Fasteners play a vital role in a wide range of applications, from everyday household items to medical devices, robotics, and even outer space. Careful consideration must be given before selecting the most appropriate fastener for an application.
Download Reference Tables to help with selection:
| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Screws |
| Product Number | S7092Y-G42-0408 |
| Product Name | #4-40 UNC-3A, 0.124" Shoulder Dia., 0.2515" Shoulder LG., 303 Stainless Steel |
| Screw Type | Shoulder Screw |
