Thread Rolling
Thread Rolling: Large specification, high precision, intelligentPrecision intelligent thread rolling M16 to M300Good lifetime control of rolling diesBetter fatigue resistance
Precision Machining Parts
With advanced technical advantages and CNC machining experience, we are good at manufacturing a series of industrial precision machining parts. Jinan ZhongChuan (JNZC)'s precision machining servic...
Main Bearing Bolts
Main bearing bolts are mainly used in the diesel engine industry.All items are produced in strict accordance with industry standards or client-specific requirements.
Wheel Bolts
Wheel bolts are mainly used in heavy trucks, construction machinery, and mining equipment industries. They are fasteners connecting the rim assembly of the wheel and the brake disc of the vehicle.All ...
Power & Gas Turbine
The gas turbine is mainly composed of a compressor, a combustion chamber, and a turbine. The gas turbine generator set is an important guarantee equipment to realize the optimization of the power gene...
Castle Nuts
Castle nuts are slotted above the hexagon nut, and there are six large slots 60° apart in the center of the top of the plane.It is usually used to fix the position of the wheel bearing on the main sh...
Rocker Shafts
Rocker shafts are mainly used in the diesel engine industry.It belongs to the parts on the engine valve train, and the valve train of some ships needs a rocker arm to drive the valve. It is used to fi...
II. Fastener Manufacturing Process (2)
2.2.3 Pickling, Phosphating, and SoapingEquipment: Pickling tank, water rinsing tank, phosphating tank, soaping tank.Purpose of Pickling: To remove the oxide layer and rust from the surface of the wir...
NDT
NDT-Non-destructive Test:MT, UT, PT NAS 410 / ISO 9712 Certified personnels Nadcap NDT Certification
Cylinder Head Bolts
Cylinder head bolts are mainly used in the diesel engine industry to fasten the cylinder head to the cylinder block frame or cylinder block and are generally fixedly installed on the top surface of th...
Track Bolts
Track bolts are mainly used in the construction machinery industry to fix track shoes to connecting rod assemblies.All items are produced in strict accordance with industry standards or customer-speci...
Rail & Locomotive
Common rail transit includes traditional railways, subway/light rail, high-speed rail, etc.The rail transit industry has strict requirements on the fatigue resistance and anti-loosening performance of...
Hydraulic Nuts
Hydraulic nuts are used for bolts that need to be disassembled frequently, pre-tightening of super-large bolts, and locking of large workpieces.The principle of the hydraulic nut is that the hydraulic...
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