Drop-in anchors are also available in coil-threaded versions for 1/2 inch and 3/4 inch coil threaded rod

They’ll also withstand excessive and repeated weight bearing

3/4-16 x 3 1/4 Hex Cap Screw SS 18-8 (A2)

7/8-14 x 3 1/2 Socket Cap Screw Alloy

1 1/4-12 x 6 Socket Cap Screw Alloy

1 1/4-7 x 12 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (8) OlyLog Log Home Fasteners Drop-in anchors are also available1 1 4 7 x 12 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (8) . 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