Brand Name
Self locking washers
Galvanized steel ,Stainless steel
Standard for 2.7MM, 3MM insulation pins
Marine insulation
production workmanship
Semi-automated production
Place of Origin
Shenzhen, China (Mainland)
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Company Advantages
1. insulation washers is made by insulation fixing washer which has the property of square self locking washers . It is of anti-oxidation and can be used for a long time
2. Shenzhen Melparts Hardware Technology Co., Ltd. provides customers with 'one-stop' services such as project consulting, application, design and etc. The product is of the highest level of stability, reaching the international standard
3. As our QC team strictly and smoothly control the quality throughout the whole production process, the quality of the product is fully ensured. It can be produced with various shapes, sizes, and different technical parameters
4. We have strict quality control procedures to ensure the product goes to customers functioning safely and competitively. The product, made of well-selected materials, can present high gloss
5. The product has been tested and inspected according to the strict quality standards. It is widely used in automotive, railway, aerospace, electrical, mechanical and other fields

Polycap with stainless steel washer

  • ◪  

    Polycap with stainless steel washer is a type of dome cap washer,it is made of polyethylene and stainless steel or galvanized steel.They are normally used with CD weld pins together to cover the end of pins 

Advantage for our company

  • Melparts is an insulation fastener manufacturing factory, we manufacture a full series of insulation pins and washers, cooperare with us, we can ensure

  • ◪   1: Good price- we sale what we manufacture.

  • ◪   2: On-time delivery-we have the auto-production line for every product to ensure the on-time delivery.

  • ◪   3: Excellent Quality, we have rich experence for insulation pins, we know the feature about every kind of insuation pin and customer’s requirements.


Round Self Locking Washers


Common specifications1”,1-1/4”,1-1/2”, 2-1/2”
MaterialGalvanized steel ,Stainless steel
Surface treatmentPassivation, Galvanized coating
Product featuresFirm locking
Production workmanshipSemi-automated production
PackingPacking  can be customized as per requirements,
Current packing information available upon request.
Supply capability-
ApplicationMounted on various insulation pins for holding insulation materials in place
RemarkTechnical parameters are available upon request


application-insulation pin-insulation fasteners manufacturer | MPS-MPS-img
Dome caps  seat firmly
Dome caps diameter can be customized.                     center hole is according to diameter of insulation pins
Multi-lanced hole design provides superior self-locking function.

Company Features
1. Shenzhen Melparts Hardware Technology Co., Ltd. has occupied the leading position in insulation washers field for years and remain highly marketable for its insulation fixing washer.
2. Shenzhen Melparts Hardware Technology Co., Ltd. thinks highly of self locking washer quality and has very high demand on it.
3. To establish the service idea of square self locking washers is the base of Shenzhen Melparts Hardware Technology Co., Ltd.'s work. Inquire now!
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