... Black We Manufactures custome based Mill liner bolts. These type of Mill Liner Bolts are used for ball Cement Industry Plants ... type of 'High Tensile Fasteners' like Square Head Bolts, Taper Head Bolts, Linear Bolts etc. in metric & inch series like M-20 ... " to 2", In leangth 50mm to 1500 mm long forging bolts, in 4.6, 4.8, 8.8, 9.8, ... we are looking forward to cooperating with you. liner bolts with nuts