Screw, washer, bolt and nuts

BARREL NUT - 1 / 2" x 1 / 4'' / CHROMED
BECKSON
Code: BECBB187-02-CHR
Recommended for thru-bolt installation of ports, deck hardware and a variety of other installations. Nickel plated brass with chrome finish.

BLACK THUMBSCREW BOLT
BECKSON
Code: BECPRT-CB
Black thumbscrew bolt for porthole made of a 5/16-18 stainless steel threaded rod molded into the thumbscrew knob. Thread length 13 mm (½").