Each pack comes with 350 screws

1/4-20 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (1900)

there is no secondary tightening operation required which greatly reduces the overall cost of an anchor installation

1/2 x 13 ITM SDS Max Hammer Drill Bit

9/16 Hex Key Long Arm Alloy

1/4 x 6 Powers Wedge-Bit™ HD Straight Shank Hex Washer Head Metal-Panel Screws 316 Stainless Steel with EPDM Washer Each pack comes with 350The 1 4 x 6 Powers Wedge Bit HD Straight Shank offers extreme durability to withstand the toughest bit driving jobs. Its 1 4" diameter and 6" length ensures high levels of performance, making it an excellent choice for professional subcontractors and DIYers alike.