Hilti Kwik-Con II 1/4 in. x 1-1/4 in. Zinc Plated Carbon Steel Torx Flat Head Concrete Screw Anchor (100-Pack) 433001 - The Home Depot | Zinc plating, Flat head, Carbon steel
Hilti Kwik-Con II+ Screw Anchor with Torx Flat Head 1/4" x 1-3/4" - 3477547 - Box of 1000 | KCSATFH14134MC
Substitutions for Hilti Fasteners
HILTI Kwik Con II+ Technical-information-ASSET-DOC-LOC-1543435 | PDF | Screw | Strength Of Materials