HomeWashers & AnchorsDome Caps

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 dimension drawing

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.

Discuss cap matching ↗

Before you order

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.

Contact IFS

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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We reply from info@ifsinsulation.com, usually within one working day.
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