We are one of the leading pre-engineered building manufacturer in Bangldesh. Presently we required Structural Nut-bolt and self drilling screw. Specifition and quantities are as follows.
1. Bolts with hexagonal Nut a. Dia- 20 mm Length: 80 mm Full thread or 60mm thread Grade: 8.8 Qty: 5 MT
b. Dia- 12 mm Length: 25 mm Full thread Grade: 8.8 Qty: 5 MT