#42 Heavy Duty Drill Bit - Stubby Length

#49 Heavy Duty Jobber Drill Bit

3/4-10 x 12 Socket Cap Screw Alloy

1 3/8-6 x 12 Socket Cap Screw Alloy

Grade A Heavy Hex Nuts are manufactured from low carbon steel

1/4 x 1 1/2 Mushroom Spike Zinc Plated (100) 1/4-20 Socket Cap Screws Alloy #42 Heavy Duty Drill Bit1 4 x 1 1 2 Mushroom Spike Zinc Plated (100) . The Spike anchor is a patented, one piece, tamper proof, vibration resistant anchor for use in concrete, block, brick or stone. Several head styles and anchor materials are available. The Spike anchor is formed with an "s" shaped configuration at the working end of the anchor to create an expansion mechanism. Since the anchor is pre expanded, there is no secondary tightening operation required which