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

#39 Heavy Duty Drill Bit - Stubby Length

1-8 x 14 Socket Cap Screw Alloy

This eliminates the need for precisely drilled hole depths and allows for easier flush installation

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

1 1/4-12 x 9 Socket Cap Screw Alloy 5/8-18 Grade 8 Hex Cap Screws Yellow Zinc Plated Drop-in anchors are also available1 1 4 12 x 9 Socket Cap Screw Alloy . Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds ASTM A574. Manufactured from heat treated alloy steel, 1960 series.