5/16-18 x 2 1/2" Six Lobe Flat Head Thread Cutting Floorboard Screw Type F (T40), Phosphate & Oil Finish
SC195-0612
https://www.fastenermart.com/mm5/graphics/00000001/SS020600.gif
17.09
192.49
2
17.09
50
pcs
192.49
800.00
pcs