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19
+
YEARS OF EXPERIENCE
3000㎡+
FLOOR SPACE
160
+
MACHINERY EQUIPMENT
3500
+
SATISFIED CUSTOMERS
A steel spacer washer is a hollow, cylindrical precision metal component commonly used inside mechanical structures for support, isolation, positioning, and friction prevention.
These washers are made of high-strength carbon steel, and their surfaces can be treated with zinc plating, nickel plating, Dacromet coating, electrophoresis, or black anodizing to enhance rust and corrosion resistance, depending on the application environment.
Product Features
High-Precision Dimensional Control: Inner and outer diameter and thickness tolerances are controlled to ±0.01mm, suitable for high-precision assembly applications.
High-Quality Steel Raw Materials: Utilizes high-quality carbon steel, ensuring both strength and wear resistance.
Excellent Corrosion Resistance: Surface coatings such as zinc plating, nickel plating, Dacromet coating, electrophoresis, or black coating can be applied to extend service life.
High Stability and Durability: Heat-treated for high hardness and resistance to deformation, allowing for long-term axial or radial load bearing.
Versatile Applications: Provides reliable support and spacing control for automotive parts, industrial equipment, and electronic assemblies.
Specification
| Specification | Inner Diameter (ID.) |
Outer Diameter (OD.) |
Length (L.) |
| Φ3*6 | 3 | 6 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20 |
| Φ4*8 | 4 | 8 | 3/4/5/6/7/8/9/10/11/12 |
| Φ5*10 | 5 | 10 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20 |
| Φ6*10 | 6 | 10 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20 |
| Φ6*12 | 6 | 12 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20/22/30 |
| Φ6*14 | 6 | 14 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20/22/30/35 |
| Φ6*16 | 6 | 16 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20/22/30/35 |
| Φ7*10 | 7 | 10 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20 |
| Φ7*12 | 7 | 12 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20/35 |
| Φ8*10 | 8 | 10 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20 |
| Φ8*12 | 7 | 12 | 3/4/5/6/7/8/9/10/11/12/13/14/15/16/18/20/35 |
| Φ9*12 | 9 | 12 | 3/4/5/6/7/8/9/10/11/12/13/14/15/20 |
| Φ10*12 | 9 | 12 | 3/4/5/6/7/8/9/10/11/12/13/14/15/20 |
| * we can also customize it according to your requirements. | |||
Product Picture
Production Process
As a fastener manufacturer with 19 years of experience, Zeyao boasts a comprehensive production system, ensuring consistent quality and on-time delivery for every fastener.
1. Raw Material
We purchase high-quality metal wire and strictly sort it into batches upon arrival, preparing it for subsequent processing.
2. Cold Heading
A cold heading machine processes the raw material into the basic shape of the fastener.
3. Thread Rolling
Next, threading, also known as threading, is performed to ensure the screw or bolt has a standard, clear profile.
4. Automatic Lathe Processing
Fully automatic lathes are used to further refine parts, including chamfering, turning, and slotting, to enhance dimensional accuracy.
5. Benchtop and CNC Lathe Finishing
For complex or customized fasteners, we use benchtop lathes and CNC machines for further processing to ensure they meet specific customer requirements.
6. Quality Inspection
All products undergo rigorous manual and automated inspections to eliminate defective items and ensure that every shipment meets customer standards.
7. Functional Testing
Some products undergo specialized testing equipment to verify key indicators such as hardness, thread accuracy, and external dimensions.
8. Packaging and Shipping
Products are sorted, packaged, labeled, and boxed automatically or manually, and then neatly stacked in the warehouse for shipment.
Surface Treatment
Offer a variety of surface treatments for our screws to meet different needs and environmental conditions. Such as zinc plating, nickel plating, hot-dip galvanizing, anodizing, zinc nickel alloy, dacromet coating, phosphating, etc.
Custom Service
Zeyao Hardware boasts 19 years of experience in the fastener industry, specializing in the production of custom fasteners, including screws, bolts, nuts, rivets, washers, wrenches, dowels, and more. We support one-stop OEM/OD customization. Please feel free to contact us if you have any needs!
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