Description:

This 50 piece set of star hex head masonry screws provides a professional grade fastening solution for concrete and masonry projects. These heavy duty fasteners ensure a secure hold in tough materials.

• Size: 5/16 x 2-3/4 inches
• Material: Alloy Steel
• Finish: Blue Ruspert
• Head Style: Hex with T-30 Star Bit drive
• Thread Type: Unified National Coarse UNC
• Thread Coverage: Fully Threaded
• Thread Style: Right Hand
• Quantity: 50 pieces per set
• Outside Diameter: 0.3125 inches
• Item Shape: Cylindrical With Head