1 1/8-7 Nylon Insert Locknut Zinc Plated

1-8 x 2 1/2 Socket Cap Screw Alloy

1/4 x 2 Nail-in Anchor Mushroom Stainless Steel (100)

1/4 x 4 Flat Split Drive Anchor Zinc Plated (100)

#45 Heavy Duty Jobber Drill Bit

3/16 x 1 1/2 Mushroom Spike 316 SS (100) 7/8-9 Hex Cap Screws 18-8 Stainless Steel 1 1/8-7 Nylon Insert Locknut3 16 x 1 1 2 Mushroom Spike 316 SS (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 greatly