• Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    We do business with each other for long time and will continue our cooperation. Quality partner!
  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    Alexiou Aris
    Good quality and competitive price, I'm sure we will go further and further!
  • Ningbo WeiWo Electromechanical Tech Co.,Ltd.
    Work together long time, we like friends each other, easy to get along with, very pleasant cooperation!
Contact Person : Leela
Phone Number : 86-13586885132
WhatsApp : +8613586885132

Chrome Plated Mechanical Core Shafts Hollow Piston Rod Cylinder HRC 40

Place of Origin NINGBO
Brand Name WEIWO
Certification IATF16949:2016
Model Number K25-50-1233-6
Minimum Order Quantity 200 sets
Price USD1.25~ 1.45 /set
Packaging Details 10-50 PCS in one carton or plastic blister tray, outside wooden pallet or wooden box.
Delivery Time 15-25days after PO confirmed
Payment Terms L/C, T/T, Western Union
Supply Ability 500 sets per day
Product Details
Outer Diameter 12.5MM Total Length 310MM
OD Of One End M8 X 1.25 OD Of Another End M10 X 1.25
Material S 45 C Chrome Thickness 10 ~ 25 μm
High Light

Chrome Plated hollow piston rod


HRC 40 Mechanical Core Shafts


310MM Mechanical Core Shafts

Leave a Message
Product Description

45 # Chrome Plated Core Roller Sleeve With Mechanical Processing Production




Item No. K25-50-1233-6
Body Material #45 #35
Diameter D12.5-0.01/-0.03
Length customizable
Depth of quenched layer 0.6-1.0
Hardness HRC 40-46
Roughness Rz< 0.65
Single Plating Thickness >15 μm
Plating 900-1200 HV0.1
Microcrack >600 pcs/m²
Blending test maximum pressure 52KN, transformation over 15mm
















Chrome Thickness 10~25 μm
Chrome Hardness 850 HV Min
Roughness Ra 0.2 Micron Max
Straightness 0.2/1000mm
Yield Strength According to the steel material and customer requirement
Tensile Strength According to the steel material and customer requirement
Elongation According to the steel material
Bend Test According to customer requirement


Manufacturing Main Process description:
1. Hydraulic Steel Raw Material Cutting
2. CNC Machining + additional broaching and milling operations
3. Induction Hardening
4. Chrome Plating
5. Dehydrogenation and Tempering
6. Polish and Superfinish Polish
7. 100% Inspection
8. Craft Boxes and Wooden Case Packaging



Surface treatment Blackening, polishing, anodize, chrome plating, zinc plating, nickel plating, grinding…
Quality Assurance IATF16949:2016 certified/SGS/TUV
Drawing formats Solid works, Pro/Engineer, AutoCAD, UG, PDF




Equipment used

Japan 5-axis TSUGAMI-B-038T CNC turing machine
Japan 4-axis GAMA DMN-650 machining center
Cylindrical Bore Grinders
Wire EDM
Magnetic grinding machine/ grinding Vibration machining
Ultrasonic cleaning machine
Vacuum packing machine






Inspection device

VMS2.5d measuring machine
Japan Mitutoyo tool microscope
Japan Mitutoyo digimatic micrometer
Japan Mitutoyo hardness tester
Japan Mitutoyo calipers
Japan Mitutoyo dial indicator
Japan Mitutoyo height measuring tool
Japan Mitutoyo tubular inside micrometer
Japan Marble platform
Go No Go gauge
Electronic digital display caliper Ring gauges


Industry used

Machinery; heavy duty equipment; electronic device; Auto spare parts; optical telecommunication…



1. Mateiral and technology from TaiWan .
2. Factory directly supply.
3. Extensive application and high precision performance.
4. Simple installation.
5. Durable.
6. All specification can be customized.



It is applicable to winding and unwinding shaft of the related machines in coating,cutting,printing,compounding,paper making,bag making,plastic items,specially the occasion of the high-efficient roundness required or surface winding and unwinding of the paper tube.Moreover,it also can improve efficiency and quality of the products.



Chrome Plated Mechanical Core Shafts Hollow Piston Rod Cylinder HRC 40 0