Anchor Bolts An Anchor Bolt is used to attach objects or structures to concrete. There are many types of Anchor Bolts all consist of thread end, to which a nut and washer is attached for the external load. Anchor Bolts are extensively used on all types of projects, from standard building to dams, bridges, road, power plants etc. Type 1. Straight Anchor Bolt – one end threaded or both ends threaded 2. J-Type Anchor Bolts Size Nom Dia: 1″ to 4″ [M12-M100] *Tailor made if required.Length: As Per Standard or Upto any Length Type 3. Nut Welded Anchor Bolts 4. L-Type Anchor Bolts – 90°,120°,135° Size Nom Dia: 1″ to 4″ [M12-M100] *Tailor made if required.Length: As Per Standard or Upto any Length Type 5. Chemical Anchor, also full threaded stud with one end having 45° cutting Size Nom Dia: 1″ to 4″ [M12-M100] *Tailor made if required.Length: As Per Standard or Upto any Length