7 x 3 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (1000)

7 x 3 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Carton (1000) .

• Attach wood siding, wood panels and metal trim to steel studs
• #1 square drive trim head, .230" head diameter, #3 drill point
• Threaded 2/3 of overall length
• Drilling thickness capacity: up to 0.125" (111 mils or 11 ga.)