Value Collection 705107PR Set Screw 4-40 1/4in Oval Stainless A2

Product Description

The VALUE COLLECTION 705107PR is a 4-40 UNC stainless steel set screw with an oval point, sized at 1/4 inch overall length. Set screws of this type are headless fasteners used to secure one component against another — most commonly a collar, gear, pulley, or hub onto a shaft — without protruding above the mating surface. This screw is manufactured to Austenitic Grade A2 stainless steel, providing solid corrosion resistance in moderate-exposure environments. Drive is internal hex (Allen key), with a 0.050-inch hex key size. Meets ASME/ANSI B18.3 and ASTM F880 standards. Installed by machinists, millwrights, electricians, and HVAC technicians during equipment assembly or field repair work.

This set screw is used wherever a low-profile, flush-mount fastener is needed to lock rotating or sliding components in place. Common applications include motor shaft collars, fan hubs, valve stems, and control linkages found in commercial and residential HVAC systems, plumbing assemblies, and light industrial equipment. The oval point style provides a small contact area that reduces shaft marring while still delivering adequate holding force for light-to-moderate axial and rotational loads. Sold individually; minimum order quantity is 100 pieces.

Key Features

• Thread size 4-40 UNC for compatibility with standard small-fastener applications
• 1/4 inch overall length — compact profile for tight assemblies
• Oval point reduces shaft damage compared to cup or cone point styles
• Austenitic Grade A2 stainless steel for corrosion resistance in damp or humid environments
• Internal hex drive, 0.050-inch hex key size
• Meets ASME/ANSI B18.3 and ASTM F880 fastener standards

Compatibility

Designed as an OEM-style replacement or service fastener for any application requiring a 4-40 UNC headless set screw with oval point and 1/4 inch overall length.

Installation Notes

Installation requires a 0.050-inch (1.27 mm) hex key or Allen wrench — confirm key fit before applying torque to avoid rounding the drive socket. Power down and de-energize any equipment before accessing rotating components or shaft assemblies. Do not overtighten; set screws in small thread sizes are susceptible to drive-socket damage and thread stripping. Follow applicable equipment manufacturer torque guidelines and relevant ASME or equipment-specific service procedures.