Simpson 1" Coupler Nut w/ Witness Hole CNW1 Core Bit The CB1212 is designed for

The CB1212 is designed for a nominal 12x12 member size and is compatible with lumber

this plug solution is a core component of the Deck-Drive DCU Hidden Deck-Fastening System - eliminating visible screw heads for a clean

Drilling Depth: 6 3/4"

providing the heavy-gauge beam seat necessary to deliver high uplift and lateral resistance needed to help resist high wind events

and manufactured to the highest quality standards - the trusted choice of engineers and contractors for residential and commercial structural applications alike

Simpson 1" Coupler Nut w/ Witness Hole CNW1 Core Bit The CB1212 is designed forSimpson CNW1 CNW 1 in. Coupler Nut with Witness Hole by Simpson Strong Tie is engineered to connect threaded rods to one another and to anchor bolts. Designed to exceed the specified minimum tensile capacity of the corresponding bolts and threaded rod, this 1 inch coupler nut features a positive stop for reliable thread engagement and a Witness hole to verify when rods are properly installed. Key Features Tighten the two rods until each all thread rod