Home Products Self Locking Washers

Self Locking Washers

  • 1/1

Self-Locking Washers

Insulation Washers for HVAC, Ductwork & Industrial Insulation

Self-locking washers are used with insulation pins and weld pins to secure thermal and acoustic insulation materials. IKING supplies round and square washers in galvanized steel and stainless steel, with custom sizes available for OEM projects.

Galvanized Steel SS304 / SS316 OEM / ODM Custom Sizes

Product Types

Round Self-Locking Washers

Designed for quick and secure insulation fixing on standard weld pins and lacing anchors.

Standard Type

Square Self-Locking Washers

Provides a larger bearing contact area for highly stable insulation retention under vibration.

High Stability

Insulation Dome Caps

Dome-shaped caps for secure insulation pin locking, sharp point protection and neat finishing.

Protective Cap

Applications

Commonly utilized across industrial, commercial, and marine thermal insulation systems.

Industrial and HVAC Insulation Applications of Self Locking Washers
HVAC Ductwork Ventilation & Duct Insulation
Building Acoustics Acoustic & Thermal Panels
Tank & Piping Industrial Boilers & Vessels
Marine & Offshore Shipboard Bulkhead Insulation

Technical Specifications

Specification Parameter Standard Options & Customization
Product Type Round Self-Locking Washers / Square Washers / Dome Caps
Material Options Galvanized Steel / Stainless Steel (SS304 / SS316) / Aluminum
Pin Hole Size 10 GA / 12 GA / 14 GA (Custom gauges supported)
Surface Finish Galvanized / Bright Polished / Anti-Corrosion Coating
OEM / ODM Service Custom dimensions, thickness, and specialized bulk packaging

Why Choose IKING

30+ Years

Insulation & Stud Welding Expertise

ISO 9001

Strict Quality Management System

OEM / ODM

Tailored Manufacturing Support

Frequently Asked Questions

What are self-locking washers used for?

They are securely locked onto insulation pins or weld pins to firmly hold thermal and acoustic insulation materials in place on metal surfaces.

Which materials and sizes are available?

We offer galvanized steel, stainless steel (SS304/SS316), and aluminum. Standard pin gauges include 10 GA, 12 GA, and 14 GA, with custom dimensions available upon request.

How can I request a sample or quotation?

Simply click the "Get a Quote" button below and send us your pin diameter, washer specifications, or project drawings for an immediate factory reply.

Need Matching Insulation Washers?

Send us your pin diameter, washer size or custom drawing for a competitive factory quotation.

Get a Quote →