Robertson Lo-Root Wood Screw - #8 x 1 1/2 in (100 Pack) - Handles
Needle I.D. Cards –
These are wood screws with: a Round Washer Head (rounded top with built-in washer for larger bearing surface), the Original Robertson® square drive, a
Marathon Hardware Round Washer (Kreg) Screw
Wood screws - Paul Rocheleau Inc.
8 X 1-1/4 Flat 4 Lug Robertson® 2/3 Aster Lo-Root®, Deck Screws, Brown, 800pcs
Screws - Reliable Fasteners
Wood Screws - Richelieu Hardware
Robertson is famous for the patent of the socket-head screw, widely known today as the square recess. The Robertson system perfectly mates the taper
Robertson Pan-Head Lo-Root Screws
Sharp points and sharp thread angles deliver superior penetration and thread engagement after he first revolution 4 lugs under the head
Robertson 8018FLLRN #8 x 1 1/8 Flat Head Wood Screw Square Drive Lubricized - 4 Nibs
Home Builder #8 x 2-1/2 Green Square Drive Deck Screws - 100 Pack - Miller's Home Hardware Building Centre
8 x 1-3/4 Flat Head Silver Zinc Wood Screw