Bulk #4-40 UNC Socket Set Screws, Cup Point, Stainless A2 (18-8) 440224 Choosing the correct pilot hole

Choosing the correct pilot hole size is crucial for preventing wood splitting and ensuring superior holding power

The thermal black oxide finish provides mild corrosion protection while maintaining a low-glare

These Grade 8 Hex Jam Nuts are suitable for heavy-duty applications where strength and reliability are paramount

500") Thread Size 1/2"-13 UNC (coarse thread) Head Style Hex cap screw / hex bolt Wrench Size 3/4" hex wrench/socket Material Alloy steel

Available Sizes: 1/4"-20

Bulk #4-40 UNC Socket Set Screws, Cup Point, Stainless A2 (18-8) 440224 Choosing the correct pilot hole#4 40 UNC Socket Set Screws, Cup Point, Stainless Steel A2 (18 8) Coarse Thread Corrosion Resistant 18 8 Stainless Steel Cup Point Design Secure your assemblies with #4 40 UNC Socket Set Screws, Cup Point. Manufactured from premium A2 (18 8) stainless steel, these set screws offer outstanding corrosion resistance, high durability, and reliable fastening. The cup point design ensures maximum grip and prevents movement in high vibration applications,