Bulk 5/16"-18 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.) Length:1200 QTY - 5/16"-18 x 1" Thread: #8-36 UNF – Fine

Thread: #8-36 UNF – Fine Thread (Unified National Fine)

Good Corrosion Resistance: 410 stainless steel provides reliable corrosion resistance in mildly corrosive environments

Bulk Regular Split Lock Washers – Plain Steel Anti-Vibration Washers

The smooth button head profile distributes clamping force evenly and minimizes snagging—ideal for enclosures

These heavy-duty fasteners are made from premium alloy steel and finished with a thermal black oxide coating that offers mild corrosion protection and a sleek

Bulk 5/16"-18 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.) Length:1200 QTY - 5/16"-18 x 1" Thread: #8-36 UNF – FineBulk 5 16" 18 L9 Hex Head Cap Screw Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U. S. A.) Part Numbers: 440086, 440090 ,440094, 440096, 440098, 440100, 440102 ,440104, 440106, 440110, 440114, 440118 Introducing our premium 5 16" 18 L9 Hex Head Cap Screws, designed to provide exceptional performance in high stress environments. Manufactured in the USA, these bolts are made from high grade alloy steel, ensuring peak strength and reliability.