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Qingdao Sande Technology Co., LTD
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CNC-Machined Stainless Steel Ring Sleeve for Industrial Applications

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Qingdao Sande Technology Co., LTD

City: qingdao

Province/State:shandong

Country/Region:china

Tel:86--13573283285

Contact Person:
Ms.tian
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CNC-Machined Stainless Steel Ring Sleeve for Industrial Applications

Brand Name Qingdao Sande Tech Co.,Ltd
Model Number OEM
Certification ISO, DIN, AISI, ASTM, BS, JIS, etc.
Place of Origin Qingdao, China
Minimum Order Quantity 1000
Price $0.5-2
Payment Terms D/P,T/T,Western Union
Supply Ability 10000PCS/month
Delivery Time 30 days
Packaging Details Wooden box
Durability High
Capacity 10, 000pieces per month
Compatibility Fits with various machines
Finish Polished
Angle Tolerance ±0.5°~±1°
Production Method CNC Machining
Keywords machining part
Shipping Method Maritime transport
Detailed Product Description

Stainless Steel Ring Sleeve, Bearing Tube, Flange Sleeve Are Processed By CNC


Product Overview
CNC-machined stainless steel ring sleeves, bearing tubes, and flange sleeves with high precision, durability, and corrosion resistance for industrial applications.


Key Features

  • Material: High-quality stainless steel (e.g., 304, 316)
  • Process: CNC turning/milling for tight tolerances & smooth finishes
  • Applications: Machinery, automotive, aerospace, and fluid systems
  • Advantages: Wear-resistant, long service life, customizable dimensions

Typical Uses

  • Shaft protection (ring sleeves)
  • Rotating assemblies (bearing tubes)
  • Pipe/valve connections (flange sleeves)

CNC-Machined Stainless Steel Components – Technical Parameters

ParameterRing SleeveBearing TubeFlange Sleeve
MaterialSS 304/316/316LSS 304/316/316LSS 304/316/316L
Outer Diameter10–200 mm (±0.05 mm)5–150 mm (±0.03 mm)20–300 mm (±0.1 mm)
Inner Diameter5–180 mm (±0.05 mm)4–140 mm (±0.03 mm)15–280 mm (±0.1 mm)
Length/Thickness5–100 mm (±0.1 mm)10–500 mm (±0.1 mm)5–50 mm (±0.2 mm)
Surface FinishRa 0.8–3.2 μmRa 0.8–3.2 μmRa 1.6–6.3 μm
ToleranceISO 2768-mediumISO 2768-fineISO 2768-medium
Hardness150–200 HB160–220 HB150–190 HB
Max. Temperature800°C (1472°F)800°C (1472°F)800°C (1472°F)
ProcessCNC Turning/MillingCNC TurningCNC Turning/Milling
CertificationsISO 9001, RoHSISO 9001, RoHSISO 9001, RoHS

FAQ

1. What materials do you use?

We primarily use 304, 316, and 316L stainless steel for corrosion resistance and durability. Other grades (e.g., 303, 17-4PH) are available upon request.


2. What tolerances can you achieve?

  • Standard: ±0.05–0.1 mm (ISO 2768-medium/fine).

  • Tighter tolerances (e.g., ±0.01 mm) are possible for critical dimensions.

3. Can you customize parts?

Yes! We offer:

  • Custom sizes, thicknesses, and hole patterns.

  • Special surface finishes (e.g., mirror polish, sandblasting).

  • Additional features (threads, grooves, knurling).

4. What’s the lead time?

  • Bulk orders: 30–45 days (depends on quantity).

5. How do you ensure quality?

  • CNC machining with ISO 9001-certified processes.

  • Dimensional checks (CMM, calipers) and surface finish testing.

  • Material certifications (MTRs) provided.

6. Are your parts corrosion-resistant?

Yes! Stainless steel (especially 316/L) offers excellent resistance to rust, chemicals, and high temperatures (up to 800°C/1472°F).


7. What industries do you serve?

Common applications include:

  • Automotive (bushings, bearings).

  • Aerospace (flange connectors).

  • Hydraulics/Pneumatics (seal sleeves).

8. Do you provide coatings or treatments?

Options include:

  • Passivation (enhanced corrosion resistance).

  • Electropolishing (smoother surface).

  • Heat treatment (for hardness).

9. What’s the minimum order quantity (MOQ)?

  • Bulk orders: 1000 pieces   Negotiable (discounts for large quantities).

10. How do I request a quote?

Send us:

  • Drawings (CAD/PDF preferred).

  • Material, quantity, and surface finish requirements.

  • Contact us at [Your Email/Phone] for a fast response!


Product Tags: CNC-machined SS Ring Sleeve   industrial ring sleeve   stainless steel machining part  
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