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Our precision anodized aluminum flat washer is engineered for reliable load distribution, sealing, and spacing in diverse mechanical assemblies. Constructed from premium aluminum alloy, it features a 14mm outer diameter, 7mm inner diameter, 4mm thickness, and smooth small C-chamfers on both inner and outer edges to eliminate burrs and ensure safe, damage-free installation. The silver anodized surface delivers enhanced corrosion resistance, wear durability, and a clean, consistent finish while maintaining electrical conductivity. Produced via high-precision stamping and CNC machining, this washer conforms to ISO 7089/GB/T 3103.3 standards with tight dimensional tolerances for perfect fit and stable performance.
Technical Specification
Material
High-quality Aluminum
Outer Diameter (OD)
14mm
Inner Diameter (ID)
7mm
Thickness
4mm
Chamfer
Small C-chamfer on ID & OD
Surface Treatment
Anodized
Tolerance
ISO 286 IT10, OD/ID ±0.05mm, Thickness ±0.03mm
Surface Roughness
Ra ≤1.6μm
Hardness
HV 60–80
Certification
RoHS, REACH Compliant
Applications
Automotive systems & mechanical equipment assembly
Custom dimensions (OD, ID, thickness) per drawing/sample
Custom surface treatments: anodized
Custom chamfer, countersink, and profile machining
OEM logo, marking, and packaging design
Batch production with flexible MOQ
Custom material selection (1050, 5052, 6061 aluminum alloy)
One-stop custom solution from design to delivery
Product Advantages
Solves loose fit & assembly failure from poor dimensional accuracy
Eliminates rust & short service life with durable anodized finish
Prevents part scratching with deburred C-chamfer edges
Reduces equipment weight with lightweight aluminum material
Avoids inconsistent quality with strict factory production control
Meets unique specs with full custom & OEM manufacturing support
Quality Control
Raw material incoming inspection for alloy composition & hardness
In-process dimensional check via micrometer & optical measuring instrument
100% visual inspection for surface finish, chamfer integrity & defects
Salt spray test to verify anodized corrosion resistance
Final random sampling for fit, tolerance & packaging compliance
Full inspection report available for bulk orders
Conforms to ISO 9001 quality management system
FAQ
Q: Can you customize non-standard aluminum washer sizes?
A: Yes, we provide custom OEM manufacturing based on your drawings, samples or dimension requirements.
Q: What is the production tolerance of your aluminum washers?
A: Our standard tolerance is ±0.03mm–±0.05mm, meeting ISO 7089 industrial standards.
Q: What is the lead time for custom orders?
A: Standard samples 3–7 days, mass production 7–15 days based on order quantity.
Q: Is the anodized surface durable and corrosion-resistant?
A: Yes, Type II anodizing offers excellent wear and corrosion resistance for long-term use.
Q: Do you accept small-batch trial orders?
A: Yes, we support flexible MOQ for trial and prototype orders.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Trading Company,Exporter,Seller
Year Established:
2009
Total Annual:
50000000-60000000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
KEMIFON Precision Group is a professional Chinese OEM custom manufacturer with its own production factory, dedicated to custom manufacturing and supplying high-quality custom springs, custom fasteners, and high-precision CNC machining parts for global export. We focus on provid...
KEMIFON Precision Group is a professional Chinese OEM custom manufacturer with its own production factory, dedicated to custom manufacturing and supplying high-quality custom springs, custom fasteners, and high-precision CNC machining parts for global export. We focus on provid...
