Malco Zip-In #7 x 1/2 Self Piercing Sheet Metal Screw, Zinc Plated, 1/4 inch Slotted Hex; 100 Count

Description

Self-Piercing Screw, Hex Slotted Head, #7, 1/2 inch Thread Length, Case Hardened Steel, Bright Zinc Plated Finish, For Sheet Metal

Features

• Undercut - Always seats flush
• One 1/4 inch hex driver accommodates all sizes
• Full 1/4 inch (no. 8) head will not strip out of hex driver opening
• Consistent hard point - Quality controlled heat treat, sharp tapered point will not mushroom or break, no walking
• 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
• Burr free

Resources

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