Code listed for cracked and uncracked concrete, and masonry applications, the Simpson Strong-Tie Strong-Bolt 2 wedge-type expansion anchor is an optimal choice for high-performance even in seismic and high-wind conditions. Dual undercutting embossments on each clip segment enable secondary expansion should a crack form and intersect the anchor location; this feature significantly increases the ability of Strong-Bolt 2 to carry load if the hole expands. The Strong-Bolt 2 is available in carbon steel, Type 304 and Type 316 stainless steel.. Anchor Head Style: No Head. Drive Style: Hex. Fastener Color: Silver. Fastener Material: Carbon Steel. Fastener Plating: Clear Zinc. Fastener Type: Wedge Anchors. Fastening Base Material: Brick,Concrete. Included: No Additional Items Included. Interior/Exterior: Interior. Maximum Weight Capacity (lb.): 0.00. Measurement Standard: SAE. Measurement System: Inches. Package Quantity: 1. Product Weight (lb.): 0.1106 lb. Returnable: 90-Day. Anchor Diameter (in.): 3/8". Anchor Length (in.): 3. Required Drill Hole Size (in.): 0.375. Anchor Length (in.): 3. Anchor Diameter (in.): 3/8". Package Quantity: 1. Fastening Base Material: Concrete. Fastener Material: Carbon Steel. Fastening Base Material: Brick. Measurement System: Inches. Interior/Exterior: Interior