Description:

The Hillman Group 831574 is a professional grade stainless steel hex cap screw set providing a durable and corrosion resistant fastening solution for industrial applications.

• Size: 5/16-18 x 2.5 inches
• Material: Stainless Steel
• Quantity: 50 Pack
• Head Style: Hex
• Thread Type: Right Hand Un Class 1A
• Thread Coverage: Partially Threaded
• Pitch: 18 threads per inch
• Hardness: Grade 8
• Exterior Finish: Hot Dipped Galvanized
• Diameter: 0.3125 inches
• Features: Washer surface under the head for a better seal
• Application: Compatible with internally threaded holes or use with nuts