#48 Heavy Duty Jobber Drill Bit

The nylon flange head adds stability in hollow surfaces

#7 Heavy Duty Drill Bit - Stubby Length

#54 Heavy Duty Drill Bit - Stubby Length

1 3/8-12 x 5 1/2 Socket Cap Screw Alloy

3/8 x 4 Mushroom Spike Zinc Plated (25) Shopify Collective #48 Heavy Duty Jobber Drill3 8 x 4 Mushroom Spike Zinc Plated (25) . 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 greatly