including the attachment of gypsum board to metal studs

Typical hardness on diameters of 1/4 to 1 inch is HRC 25-34

8 x 1 5/8 Phillips Flat Particle Board Screw w/ Nibs T17 Zinc Plated - Carton (5

and return what you don’t use at any time — there is no expiration date on returns

3/4-10 x 1 1/2 Hex Cap Screw SS 316 (A4)

1/4-28 x 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 1 1/2-12 Socket Cap Screws Alloy including the attachment of gypsum1 4 28 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