Hobson performance data
Metal Stitching Screw, Flange Hex Head 10-12: Performance Data
Hobson's two-page performance data for the DRiLLX metal stitching screw with flange hex head, 10 gauge, 12 TPI, part T9PN4FH1012020. It is a self drilling needle point screw for general fixing of lightweight steel and stitching thin gauge sheet metal.
What this covers
- Applications
- Pull-out values
- Drill point test
- Mechanical properties
- Size
- Installation
Applies to Needle Point Screw and Stitching Screw.
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- One size: T9PN4FH1012020 (10 gauge, 12 TPI, 20mm long), 5/16 inch hex drive, packs of 1,000.
- C1022 hardened steel with a class 4 finish.
- Working pull-out load in 0.55mm G550 steel: 400N (mean 1,150N). Lab results with a safety factor of 2.5 for steel already included.
- Drill point test: it drilled 0.55mm G550 at 2,200rpm under a 13kg load in no more than 1.5 seconds (1.0 second average). Torsional strength 5.4Nm.
- Install with a cordless screwdriver at no more than 2,500rpm, with firm steady pressure, and do not over-tighten. Impact drivers are not recommended. Recommended 5/16 inch hex drive bits: TXDIPNSS31045 and TXDIPNSS31065.
Who it helps: Roofers, cladders and sheet metal workers stitching thin steel sheet.
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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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