Simpson HDIA37 3/8" Hollow Drop-In Anchor - Zamac 3, Pkg 50 Deck Ties finished appearance and is ideal

finished appearance and is ideal for countersunk applications where flush seating is desired

Ideal for overhead

the sweep design helps maximize anchor placement while rolled threads provide increased tensile capacity for demanding structural applications

Select the appropriate length and diameter to ensure the point fully penetrates the steel and the threads engage properly

3" or 4 1/2" screws may be substituted for the longer length screws with no load reduction

Simpson HDIA37 3/8" Hollow Drop-In Anchor - Zamac 3, Pkg 50 Deck Ties finished appearance and is idealThe Simpson Strong Tie Hollow Drop In Anchor (HDIA) is an internally threaded, flush mount expansion anchor for use in hollow materials such as CMU and hollow core plank, as well as in solid base materials such as brick, normal weight and lightweight concrete. The expansion design allows anchoring to CMU, hollow core plank, brick, normal weight concrete and lightweight concrete while the internally threaded anchor allows for easy bolt removal.