Bulk 5/16"-18 Hex Flange Bolts, Grade 8 Black Phosphate / Oil Type_String Lock Screws Standards: Manufactured to DIN 9427

Standards: Manufactured to DIN 9427 / ISO 7380 button head geometry

making them ideal for both indoor and outdoor applications

Fix your project right the first time with Bulk 1/4-28 Socket Head Cap Screws from Monster Bolts

making them suitable for outdoor and harsh environment applications

Maximum Strength: Titanium provides exceptional durability to handle aggressive playing or frequent tuning changes

Bulk 5/16"-18 Hex Flange Bolts, Grade 8 Black Phosphate / Oil Type_String Lock Screws Standards: Manufactured to DIN 94275 16 18 Hex Flange Bolts, Grade 8 High Strength Hex Flange Screws ASTM A307 Black Phosphate & Oil Finish Monster Bolts Our 5 16 18 Hex Flange Screws, Grade 8 are engineered for applications requiring superior strength and durability. Crafted from premium Grade 8 steel and finished with a black phosphate and oil coating, these screws offer excellent corrosion resistance and a sleek, professional appearance. The integrated hex flange design ensures