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Hobson did you know flyer

HVAC Blunt Point Washer Hex Screw for Duct Work (Did You Know)

A one-page Hobson DrillX flyer for a blunt point, hex flanged head screw made for heating, ventilation and air conditioning duct work. It lists the single part and how it is installed.

What this covers

  • Part and size
  • Features
  • Installation
  • Applications

For Roofing & Cladding Screws.

Key things to remember

The essentials from this document in plain words. Check the full document before you rely on a figure.

  • A quick fixing for ducting connections that replaces a bolt and nut.
  • Blunt point: it goes into a pre-drilled hole, it does not drill its own.
  • One part: T9PFZWH1009025 (QFind QB70), 25mm long, 9 TPI, 13mm hex drive, pack of 500.
  • Zinc plated (RoHS compliant) with a hex flanged head.
  • For heating, ventilation and air conditioning duct work and other sheet metal applications.

Who it helps: HVAC installers and sheet metal workers joining duct work.

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This document is published by Hobson Engineering, who supply this range to us. We show it here in full so you can read it next to the product; the summary above is ours. Read it on this page or download the PDF. For the most current version, ask us.
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