1/2 x 12 High Speed Aircraft Bit Cobalt

2 1/2-4 x 8 Socket Cap Screw Alloy

10 x 3 Simpson Bugle-Head Wood Decking Screws - Square Drive T17 316 SS - 1 lbs Pack (68)

1/4-20 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (750)

Threaded to within 5/16" of top of head

1 1/4-7 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (75) 5/16-18 Socket Cap Screws Alloy 1/2 x 12 High Speed1 1 4 7 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (75) . L9 High Tensile Strength Hex Nuts 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 nuts from AISI alloy steels. L9