Fastens corrugated siding panels to steel stud without pre-drilling

Type-17 point for fast starts

23/64 x 12 High Speed Aircraft Bit Cobalt

Proof load strength is 175

1/4-20 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (450)

5/16-24 x 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) Toggler Hollow Wall Anchors Fastens corrugated siding panels to5 16 24 x 1 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . L9 High Tensile Strength Hex Cap Screws are designed for use in high stress, severe service environments. The highest mechanical strength off the shelf fastening system available, its special features control torque tension characteristics to develop high clamp loads when using properly controlled tightening methods. Brighton Best manufactures L9 bolting from AISI alloy steels. L9