3/8" x 3-1/2" Pin-Drive Expansion Anchor, Yellow Zinc Plated, Pkg 50 LSTHD/STHD Strap-Tie Holdowns is 16 threads per inch

is 16 threads per inch and includes a 5/16" hex head (replacement driver bit — BITHEXR516-134)

for both nominal and rough-cut lumber

Featuring innovative double-shear nailing

Oversized Washer Head – Distributes load and clamping pressure for a secure

Material and Finish: Made from 316 Stainless Steel for durability and finished with None coating

3/8" x 3-1/2" Pin-Drive Expansion Anchor, Yellow Zinc Plated, Pkg 50 LSTHD/STHD Strap-Tie Holdowns is 16 threads per inchSimpson pin drive expansion anchors are coated in yellow zinc dichromate and used for medium and heavy duty fastening applications into concrete and grout filled block. California Residents: WARNING