1.j bolt .Niantso azy io koa izahay (boloky vatomamy, boloky vatofantsika, boloky tany)
2. Ampiasao ireto akora ireto: vy vy, 45 # vy, 40 cr, 35CrMo;
3.Surface Finishing: zinc plated na mainty na tsotra na HDG; 4.Size: M6-M64; halavany 12mm-3000mm
5.Grade: 4.8 8.8 10.9 12.9
6.Standard: DIN, JIS, BS, ASME, tsy manara-penitra;
7. Fahaiza-manao: 400 taonina isam-bolana;