000 psi and for diameters over 1 inch to 1 1/2

11/64 x 12 High Speed Aircraft Bit Cobalt

10 x 2 1/2 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - 5 lbs Pack (410)

1/4-20 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

even at reduced edge distances and spacings

3/8-24 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (900) Phillips Flat Self Drilling Cement Board Screws with Wings 000 psi and for diameters3 8 24 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (900) . 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