City officials wanted to make sure that the sprinklers would stay up during an earthquake

1-8 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated

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

5/8 x 8 ITM SDS Plus Hammer Drill Bit

7/8-9 x 4 Socket Set Screw Cup Point Alloy

3/8-16 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (300) 1-8 Hex Cap Screws 316 Stainless Steel City officials wanted to make3 8 16 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (300) . 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