Track Bolts and Nuts Excavator
case hardening is HRC 38-42, Material is 40CR,and the surface is treated with bluing, screw thread has two type description, one is the metric system:M12-M24-6g, another is denominator system:1/2-1/4--2A.the specification can be customized
Construction Machinery bolts and nuts
Within 30 Days After Contracted
Heat Treatment, Bluing,Hot Forging
Advantages / Features:
Our company We use high quality steel , have good mechanical properties and stability of chemical component. it keep the bolt to be of high strength
2). Manufacture Procession
First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance and its size accurately.
The second, we adopt blasting procession, removing Oxidation surface , make the surface to be bright and clean and uniform and beautiful.
The third, in heat treatment: We use the Controlled-atmosphere Automatic heat treatment Furnace, we also have four mesh belt convey furnaces, Can deal with the products in different sizes keeping the non-oxidation surface
3). The all process quality control:
The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing. We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.