CD Weld Pins
Select a 3 mm pin and confirm the matching dome cap dimensions.
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Dome Caps
Choose dome caps in 30 or 32 mm diameters for matching 3 mm insulation pins.
Dome caps, also called cap washers, cover the pin end once the insulation is fixed. Material options include galvanized steel, stainless steel and aluminium, with black or white baked paint on galvanized caps. Confirm the cap diameter and material combination for your selected pin.
- Cap diameter
- 30 / 32 mm
- Matching pin diameter
- 3 mm
Share your required specification and quantity for a quotation.
Materials & dimensions
Dome cap
specifications.
Both 30 mm and 32 mm caps have a height of 12 mm and an effective internal depth of 11.5 mm. Both diameters are available in all listed materials.
Dome Caps specifications
| Cap diameter | 30 / 32 mm |
|---|---|
| Cap height | 12 mm Both diameters. |
| Effective internal depth | 11.5 mm Both diameters. |
| Matching pin diameter | 3 mm |
| Material options | Galvanized steel / SS304 / SS316 / Aluminium All listed materials are available in both cap diameters. |
| Colour finish | Black / White baked paint Galvanized caps. Stainless steel caps are normally unpainted; painting is available on request. |
Matching components
Matching dome caps
to 3 mm pins.
Dome caps can be paired with CD weld pins, self adhesive pins and perforated base pins. The confirmed matching pin diameter is 3 mm.
Confirm the cap diameter, material and required internal clearance for your selected pin before ordering.
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Self Adhesive Insulation Pins
Confirm a 3 mm pin configuration and the required cap clearance.
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Perforated & Mesh Base Pins
For perforated base pins, confirm a 3 mm pin configuration before selecting caps.
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Dome cap FAQs.
Share your specification, quantity and any matching or dimensional requirements.
Which pin diameter do these caps fit?
The confirmed matching pin diameter is 3 mm. Confirm the cap dimensions for your selected pin before ordering.
Which cap diameters are available?
The listed cap diameters are 30 and 32 mm. Specify your preferred diameter in the enquiry.
Which materials can I request?
Galvanized steel, SS304, SS316 and aluminium, all available in both 30 mm and 32 mm diameters.
Are black or white caps available?
Yes. Galvanized caps are commonly supplied in black or white with a baked paint finish. Stainless steel caps are normally left unpainted, but can be painted on request.
What should I include in an enquiry?
Include the cap diameter, material, pin diameter and quantity. Add a drawing if you have specific height or internal clearance requirements.
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Tell us what
you need.
Share your contact details and dome cap requirements. Our team can review the specification with you.
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