• 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

0.02mm Mechanical Core Shafts Hollow Piston Rod With Layer

Place of Origin NINGBO
Brand Name WEIWO
Certification IATF16949:2016
Model Number K25-50-1226
Minimum Order Quantity 150 sets
Price USD1.52 ~ 1.75 /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 390MM
OD Of One End M8 X 1.25 OD Of Another End M10 X 1.25
Material S 45 C HRC > 48
Surface Roughness Rz0.2~0.4 / Ra0.1max Salt Spray 48hrs - 120hours(Chromed)
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0.02mm hollow piston rod


Rz0.4 hollow piston rod


270mm Mechanical Core Shafts

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Product Description

Different Size Core Shafts With Layer Thickness 0.02mm Of High Precision Performance
Descriptions of Chrome Plating Core Shafts

Product TypeHollow or solid shafts
MaterialStainless steel, steel alloy, copper, brass, titanium steel
Machining methodTurning, Milling, Drilling, threading, stampling, punching

Surface finish

Polishing, Chrome plating, zinc plating, blackening, Nickel plating, Electrophoresis, Anodization, Oxidation
ColorMetal colors available
OEM & ODMAvailable
ROHS ComplianceAvailable


Outer DiameterØ12.5(-0.01/-0.03)
Total Length270mm
Steel MaterialCK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel
ToleranceISO f7
Chrome thickness20~30micron
Hardness of the chrome layer950 HV Min
RoughnessRa 0.2micron (max)
Yield Strength≥350 MPa
Tensile Strength≥580 MPa
Elongation≥ 15%

Supply condition

1. Hard Chrome Plated
2. Induction Hardened
3.Quenched & Tempered
4.Induction hardened with Q&T

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
Chemical Composition

Ck450.42-0.500.50-0.800.17-0.37≤0.035≤0.035 ≤0.25
40Cr0.37-0.450.50-0.800.17-0.37≤0.035≤0.035 0.80-1.10

Mechanical Properties

CK4580063020>41JQ + T
ST5250035522 NORMALIZE
42CrMo498085014>47JQ + T
40Cr100080010 Q + T


Surface treatmentBlackening, polishing, anodize, chrome plating, zinc plating, nickel plating, grinding…
Quality AssuranceIATF16949:2016 certified/SGS/TUV
Drawing formatsSolid 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…

Advantage of Product
1) Professional & skilled, reliable.
2) One-stop total solution
3) Ready stock goods with fast delivery
4) Customizable: Non-standard sizes are also available
5) Small quantity is acceptable
6) Cash back: Refund or replacement for any product faulty
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.

0.02mm Mechanical Core Shafts Hollow Piston Rod With Layer 0


0.02mm Mechanical Core Shafts Hollow Piston Rod With Layer 1