Used in 180 degrees bending test and rebending test and check whether there is crack after test in bending plastic deformation for plain round bar, ribbed bar, straight steel bar, steel tube, etc.
Used for bending test of steel bar for HPB235、HPB300、HRB335/HRBF335、HRB400/HRBF400、HRB500/HRBF500、CRB550、CTB550/CTB650 (Diameter less then 40mm).
It can be used for any angle bending test within 0°-180°.