Simpson HDIA62 Hollow Drop-In Internally Threaded expansion Anchor 5/8" HGT Heavy Girder Tiedown The pins are made from

The pins are made from carbon steel with a mechanically galvanized coating and finish

5 uses Strong-Drive SDS Heavy-Duty Connector screws instead of bolts

Does this screw require predrilling before installation into steel studs

drill bits

Simpson HDIA62 Hollow Drop-In Internally Threaded expansion Anchor 5/8" HGT Heavy Girder Tiedown The pins are made fromSimpson Strong Tie HDIA62 HDIA Hollow Drop In Internally Threaded Anchor by Simpson Strong Tie is an internally threaded, flush mount expansion anchor designed for attaching threaded rod to support a variety of conduit, cables, and lighting. Engineered for versatility, this anchor performs reliably in hollow base materials such as CMU and hollow core plank as well as in solid base materials including brick, normal weight concrete, and lightweight