and the jaws open to a lock position when the screw is inserted

5/8 x 2 Hex Lag Screw 18-8 SS

1 1/32 x 6 Reduced Shank Drill Bit (1/2 Shank)

1/4-20 Drop-In Anchor Zinc Plated (100)

1 1/8-12 x 4 Socket Cap Screw Alloy

10 x 1 1/4 Simpson Pan-Head Marine Screw - Phillips Drive 316 SS - Box (100) Hex Washer Head Metal-Panel Screws 316 Stainless Steel and the jaws open to10 x 1 1 4 Simpson Pan Head Marine Screw Phillips Drive 316 SS Box (100) . Marine screws bite and hold fast in fiberglass, plywood and wood substitute materials Use for projects exposed to harsh marine or many chemically caustic conditions Ideal for applying trim, rub rail and molding to fiberglass boat hulls Extra sharp points speed screw starts during assembly Specially engineered, high low thread form incorporates indentations ("teeth") that cut