including the attachment of gypsum board to metal studs

as the anchor remains in place and allows you to use it repeatedly

1/4 x 3 1/4 Slotted Hex Hi-Low Thread Concrete Screws Blue Ceramic Coated (1000)

For fastening into wallboard or wood

1 1/8-7 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (32) Slotted Hex Concrete Screws including the attachment of gypsum1 1 8 7 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (32) . 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