Simpson 1/4" x 1-1/4" Tie Wire Wedge Anchor TW25114 SCHA Slide-Clip Connectors What does the 14/18 TPI

What does the 14/18 TPI designation mean on these blades

this variable speed mill delivers consistent and reliable operation across a wide spindle speed range of 60 to 4

and screw anchors without the restriction of a power cord

Actual joist size: Double 2-5/16 in

MPN: THD50800H4SS

Simpson 1/4" x 1-1/4" Tie Wire Wedge Anchor TW25114 SCHA Slide-Clip Connectors What does the 14/18 TPIThe Simpson Strong Tie TW25114 Tie Wire Wedge Anchor (1 4 in. x 1 1 4 in.), model number TW25114, is a wedge style expansion anchor engineered for reliable, fast installation in normal weight concrete or concrete over steel deck. Featuring a tri segmented, dual embossed clip and a 1 4 in. eyelet, this anchor is ideally suited for acoustic ceiling grid installation and sets quickly using only the claw of a hammer no special tools required. Key Features