Tapcon concrete anchor screws; hex washer head; hi-lo thread; tapered shank; nail-type point; used as a mosonry fastening system; cuts its own threads into concrete, brick, or block; screw dia. 1/4 in., screw length 2-3/4 in.
A hardened cylindrical fastener with multiple spiral flutes on its shank. It also has an end smaller in diameter than the outside diameter of the spiral flutes, which acts as a pilot when driven into a drilled hole.
NSN 6220-00-138-0589
NSN 5935-01-077-2605
NSN 5915-01-473-7193
NSN 5930-00-762-8810
NSN 6130-00-572-7116
NSN 5895-00-792-8591
NSN 6135-01-456-2924
NSN 4140-01-285-7854
NSN 5965-01-418-5535
NSN 5998-01-325-8255
NSN 5996-01-538-3703
NSN 5975-01-503-4604