High strength heavy hex structural bolt set series, bolt&nut&washer set, ASTM a325 a325m a490, ASTM a563, ASTM f436 Standard: ANSI B18.2.1; ANSI B18.2.2; Dia.: 1/2"-1 1/2"; Length:1 1/4"-8"; Metarial/Grade: bolt-ASTM a325/a490; nut-ASTM a563; washer-ASTM f436 Surface treatment: plain ,black oxygenation, zinc plated, hot dip galvanizing, etc.
Specifications:
Ordering information:
- Minimum Order: 1 ton set