Western States Hardware, Inc.
15117 Salt Lake Avenue,
La Puente CA 91746 Phone: 626.442.3100 Email:info@westernstateshardware.com Website: http://www.westernstateshardware.com
For fastening into wallboard or wood, no pre-drilling is required. Fastening into concrete, hollow or grout filled block, brick and plaster requires a pre-drilled 3/16" ANSI hole.