1/4 x 2 1/2 Mushroom Spike 316 SS (100) 5/8-11 Hex Cap Screws 316 Stainless Steel 18-8 stainless steel hex cap

18-8 stainless steel hex cap screws will have a typical composition of 18% chromium and 8% nickel

brick or stone

1-8 x 3 Grade 5 Hex Cap Screw Zinc Plated

7/8-9 x 2 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

1-8 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

1/4 x 2 1/2 Mushroom Spike 316 SS (100) 5/8-11 Hex Cap Screws 316 Stainless Steel 18-8 stainless steel hex cap1 4 x 2 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