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Roofing Screw (Umbrella Washer)
Pop Rivets & Screws

Roofing Screw (Umbrella Washer)

Long self-tapping screw with umbrella seal

A long self-tapping screw with a domed umbrella washer — fixes roof sheets to wooden or light-steel purlins without leaks.

Material
Hardened carbon steel
Finish
Zinc plated + EPDM washer
Packing
Box of 100 / 250
Choose a size (tap one — it is added to your WhatsApp message)
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Need a different size or quality?

Other thickness, length, finish or stainless grade — tell us and we will arrange it.

  • GST invoice
  • Pan-India dispatch
  • Bulk rates

About this product

The umbrella washer sits on the crown of corrugated or profiled sheet and seals tightly, while the coarse thread holds firmly in wood. Ideal for repairs and new sheds. Galvanised shank with EPDM seal.

Where it is used

  • Corrugated and profile roof sheets
  • Sheds, farmhouses and godowns
  • Roof repair and re-sheeting

Specifications

TypeSelf-tapping roofing screw
Supplied withUmbrella EPDM washer
Base materialWood / light steel purlins
Sizes in stock
SizeDetail
12# × 65 mmsheet crown to wood
12# × 75 mmsheet crown to wood
12# × 100 mmwith spacer / insulation

Sizes shown are our regular stock. Exact dimensions can vary slightly by batch — ask us to confirm before ordering large quantities.

Roofing Screw (Umbrella Washer)

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Questions

Simple answers before you order

Still not sure? Ask us on WhatsApp — a real person replies.

Ask on WhatsAppMon–Sat, 10 am – 7 pm
How do I get a price?
Tap any “Ask price” button or send us the product, size and quantity on WhatsApp. We reply with rates, stock and delivery time — usually within minutes during working hours.
Do you sell in small quantities?
Yes. We supply single boxes for small jobs and full cartons for contractors, dealers and projects. Bigger quantities get better rates.
Can you supply a size or grade that is not listed?
Usually, yes. Tell us the size, thickness, finish (zinc, yellow zinc, galvanised, SS 202 / 304 / 316) and quantity using the “Need a different size?” button on any product. We arrange it from our manufacturing partners.
Do you deliver outside Mumbai?
Yes. Mumbai orders go by tempo or courier; other cities by your transport or ours, with a GST invoice and e-way bill where needed.
Do I get a GST invoice?
Yes, every order comes with a proper GST invoice. Share your GSTIN when you order so you can claim input credit.