High Strength Torque Control Bolts 1.material:mild steel,45#steel,40Cr 2. ... plated,black oxide,phosphated 3.M8-M48 High Strengthened Torque Rod Bolt:torque rod bolt, rod bolt, torque bolt Certificate: ISO9001:2000High Quality Strengthen: 10.9, 12 ... carton box fastened with pallet Satisfactory services:We can produce torque rod bolts as per your drawing and/samples.We can ...