Fastens corrugated siding panels to steel stud without pre-drilling

1/2-13 x 2 1/2 Hex Tap Bolt Silicon Bronze

3/4-10 x 4 Socket Cap Screw Zinc

5/8-11 x 3 1/2 Hex Cap Screw SS 316 (A4)

Commonly used in naval construction and power plant applications

1 1/8-7 x 10 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) 5/16 Cotter Pins 18-8 Stainless Steel Fastens corrugated siding panels to1 1 8 7 x 10 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (15) . 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