The drive pin can be driven into concrete, steel, masonry, stone and other hard base, PJ nail material is #45 carbon steel, the length range is 22mm-76mm

Drive pins with a .300 diameter head are designed for permanently fastening a fixture to concrete, concrete block, and structural steel.   Use with compatible strip loads and powder actuated tools.

A washer feeding device attached to a nail gun is provided. The washer feeding device comprises a receiving cylinder having a plurality of wash- ers stacked therein;  a pneumatic delivery mechanism for pushing the bottommost washer in the receiving cylinder into the nail gun;a support mechanism secured to the delivery mechanism and the nail gun for mounting the receiving cylinderduring the driving operation

Workable for all popular powder fastening systems.Ballistic point and smooth shank makes the penetrating easier and lower defect rate. 

1″ Diameter Washer increases bearing surface against the material to be fastened.

Heat treated pins are tough and durable to enable them to penetrate dense concrete, masonry or structural quality steel.

Pins measure 1-3″.  With a .300” Head diameter, .145” Shank diameter and .315” diameter flute.