JOHNSTONE SUPPLY

Description:

• Combination lead double thread design
• Single starting thread machined down to very tip of screw point
• Instantly penetrates and engages in heavy gauge sheet metal and layered light gauge consistent hard point
• Quality controlled heat treated
• Sharp tapered point will not mushroom or break
• No “walking”
• Complete operator control — precise hole alignment

Pkg. Qty.: 15,000; Screw Size: 7 x 1/2";