Tie rod and wing nuts
Tie rod
1.materail:45# ,Q235
2.Surface treatment: black or galvanized
3.Size:diameter 12mm,14mm,17mm,22mm etc.,length:1m,2m,3m,or as your needs.
4.Thread:ladder-shaped,Arc.
as picture:
Wing nut
1.materail: ductile iron material 400 450
2.Surface treatment: black or galvanized
3.weight:430g,470g,550g,600g and so on
4.base plate 80mm 90mm or 100mm
5.hole diameter:17mm or 15mm
as picture: