Bulk M4 Button Head Socket Cap Screws – Class 12.9 Alloy Steel – ISO 7380 – Zinc Bake CR+3 440370 Our Heavy Hex Nuts are

Our Heavy Hex Nuts are manufactured from high-grade Stainless Steel 316

Their 82-degree countersunk head sits flush for a clean

perfect for applications where a smooth surface is required

These lag screws—often called lag bolts—feature a 5/16" diameter and 9 TPI (threads per inch)

ensuring repeatable alignment in applications requiring high accuracy and stability

Bulk M4 Button Head Socket Cap Screws – Class 12.9 Alloy Steel – ISO 7380 – Zinc Bake CR+3 440370 Our Heavy Hex Nuts areMonster Overview Fix your project right the first time with Bulk M4 Button Head Socket Cap Screws manufactured to the ISO 7380 standard. These screws are produced from high strength Class 12. 9 alloy steel, making them ideal for demanding mechanical and industrial applications where strength and reliability are critical. The low profile button head design provides a clean finished appearance while maintaining excellent clamping force. These fasteners