Socket Head Cap Screws 18/8 Stainless 4-40 x 2-1/2 are precision fasteners designed for dependable performance in mechanical assemblies where stainless corrosion resistance matters. These socket head cap screws are made from 18/8 stainless steel, offering strong strength and excellent resistance to rust and staining in a wide range of environments.

Key specifications:

• Material: 18/8 stainless steel (approximately 304)
• Size: #4 (4-40 UNC)
• Length: 2-1/2 inches
• Head type: Socket head cap
• Drive: Hex socket (Allen)
• Finish: Bright, corrosion-resistant

Ideal for precision machinery, electronic enclosures, automotive assemblies, and other projects that demand a durable, low-profile fastener with excellent corrosion resistance. When you need reliable stainless fasteners that maintain holding power in challenging environments, these Socket Head Cap Screws are a smart, long-lasting choice.

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State ofCalifornia to cause cancer and birth defects or other reproductive harm. For more information go tohttps://www.P65Warnings.ca.gov.