The anchor is designed for use in solid base material such as concrete

corkscrew-like threads provide for smooth entry and a powerful hold

meets or exceeds DIN 7991

7/8-9 x 2 1/2 Socket Set Screw Cup Point Alloy

#36 Heavy Duty Jobber Drill Bit

3/8-16 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) Phillips Flat Self Drilling Cement Board Screws with Wings The anchor is designed for3 8 16 x 2 1 2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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