15/64 Heavy Duty Drill Bit - Stubby Length

7/16 x 2 9/16 (1/4 Drive) Magnetic Nut Setter

1/2 x 5 Mushroom Spike Zinc Plated (25)

even at reduced edge distances and spacings

#27 Heavy Duty Jobber Drill Bit

7 x 1 5/8 Simpson Trim-Head Self-Drilling Siding Screw - Square Drive 410 SS - Box (100) 5/8-18 Socket Cap Screws Alloy 15/64 Heavy Duty Drill Bit7 x 1 5 8 Simpson Trim Head Self Drilling Siding Screw Square Drive 410 SS Box (100) . 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.)