E.P.H. Pocket Hole Screws, 650pc Assorted Self-Tapping Zinc-Coated Square Drive Wood Screws for Hardwood & Softwood, Includes 150mm Driver Bit & Heavy-Duty Carry Case, EPHS650CASE

"HIGHEST-QUALITY FIXINGS: 25mm (1 inch) to 63mm (2-1/2) long screws made from case-hardened steel and zinc-plated. Both No.7 & No.8 Gauge pocket hole screws, specifically designed for making quick, easy, accurate and strong, woodworking joints."
SQUARE DRIVE TO PREVENT CAM OUT: The screws have a Robertson No.2 Square drive head which will allow you full control when driving your screws. The Square drive helps to prevent cam-out or slippage which in turn prevents any damage to your workpiece.
"PACK QUANTITY - 650 Screws, 5 Different Sizes, 2 different Thread types and an FOC Robinson 150mm long No.2 bit"
CHEESE HEAD & WASHER HEAD SCREWS FOR MAXIMIUM TORQUE: These screws have a Cheese or Washer head which creates a square shoulder. The Shoulder engages with the base of the pilot hole left by the stepped pocket hole drill allowing the joint to be pulled tightly into place.
SUITABLE FOR: This mixed case has screws suitable for Hard or Soft Woods including man made boards