Simpson PT-27 Semi-Auto Powder Actuated Tool - .27 Caliber BA/JB/LB Top Flange Joist Hangers The SSA8DD nail is a

The SSA8DD nail is a 316 stainless steel hand drive nail that comes in a 1 lb

Constructed from heavy-gauge steel and coated with a corrosion-resistant finish

Do not overdrive to preserve washer performance and coating protection

5-inch lally columns and 5

Fill all required fastener holes for proper structural performance

Simpson PT-27 Semi-Auto Powder Actuated Tool - .27 Caliber BA/JB/LB Top Flange Joist Hangers The SSA8DD nail is aThe Simpson Strong Tie PT 27 is a semi automatic powder actuated tool that's designed for high reliablility and low maintenance. The PT 27 tool works excellent for hanging acoustical ceilings, attaching conduit clips to concrete, still plates, drywall track and more.