Simpson HDIA25 1/4" Hollow Drop-In Anchor - Zamac 3, Pkg 100 DU/DHU Face Mount Drywall Hangers Choose the Roofjack square EPDM

Choose the Roofjack square EPDM Pipe Flashing Boot for dependable performance and easy installation across a range of projects

Strong-Tie Quik Drive TB self-drilling wood-to-steel screws are designed to fasten wood to hot-rolled steel under 5/16" thick

The QDHSD60 Wood-To-Steel Fastening Attachment features-

WSFLRV Wood-TO-CRF/Aluminum Screws

Simpson HDIA25 1/4" Hollow Drop-In Anchor - Zamac 3, Pkg 100 DU/DHU Face Mount Drywall Hangers Choose the Roofjack square EPDMThe 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.