Single Screw Barrel

Material: 38crmoala; alloy
heat treatment: vacuum hardening
hardness after hardening and tempering: hb260-290
depth of nitriding:0.55-0.85mm
hardness of nitriding: hv 950-1020
fragility of nitriding:less than grade 2
depth of bimetallic layer:2.0-3.0mm
hardness of bimetallic:hrc59-65
depth of chrome plating:0.02-0.15mm
roughness of the surface:ra 0.4um
linearity of screw and barrel:0.015mmm
quality
----high quality material.
the material is from baosteel in china, hitachi in japan and other materials from germany.
----new advanced machines.
3 coordinate cnc deep hole drilling machine, cnc milling machines, boring machines, other machines are equipped.
----heat treatments.
hardening, tempering, surface nitriding, chrome plating, high-frequency quenching, vacuum hardening, welding bimetallic powder etc. Are available.
----experienced engineers and technicians.
we have a professional technical team, who always support you.
quality control
----we are quality control iso9001:2000 certified company.
with experienced inspectors and advanced testing tools and equipments, our products can meet germany international standard.
warranty
one year warranty is offered to customers. And experienced engineer team can offer good technical support.
service
we are a authorized factory to import and export goods by the government. We have export the goods to germany, turkey, malaysia, etc.
----with capacity 2000 sets per year, we can make quick delivery.
----customers’ drawings are welcomed. And we can also design the drawings according to customers’ requirements.
----we can offer products with “ five-star” brand. And oem business is welcomed.