Fulath Factory Couplers are parallel thread mechanical splicing systems for Reinforcing bars diameters 12 to 40 mm and designed to provide full Tensile strength. The coupler is Manufactured in Compliance with Bs 8810, ACI 318, DIN 1045, and other international standards. The mechanical couplers are designed to exceed 125% of the specified yield strength in the US when with Garde 60 rebars. Mechanical Couplers are Designed according to ASTM A615. ACI 349, ASME III DIV2 (ACI 359), ACI 318, GOST R 52544, CSA CAN 3 - N2872, ISO 15835, BS8110, DIN 1045, NF35-20-1, JGJ107