NUT- Flange with serration 1/4-20 Hardened, ZN plated 36000 pcs NUT-Flange without serration 1/4-20 GR2, Zn plated 20000 pcs NUT-Flange with serration 5/16-18 Hardened, ZN plated 12000 pcs NUT-Flange with serration 3/8-16 Hardened, ZN plated 10000pcs NUT-Flange with serration 1/2-13 Hardened, ZN plated 6000pcs Carriage bolt 5/16-18 X 1 GR5 Zn plated 7000pcs