Hobson performance data
Metal SDS Hex, Washer and XGRiP 14-14, Class 4: Performance Data
Hobson's two-page performance data for the DRiLLX metal SDS hex head screw with washer and XGRiP, 14 gauge, 14 TPI, class 4 (part T9PM4XH1414). It fastens insulated roof panels to steel purlins through the crest.
What this covers
- Applications
- Pull-out values
- Drill point test
- Mechanical properties
- Sizes
- Installation
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Lengths 110mm (QA20), 125mm, 150mm, 175mm, 205mm, 230mm and 300mm, 14 gauge 14 TPI, 3/8 inch hex.
- C1022 hardened steel with a class 4 finish.
- Working pull-out loads in steel (safety factor 2.5 for steel included): 400N in 0.7mm G2, 750N in 1.1mm G2, 1,700N in 1.5mm G2, 2,250N in 1.9mm G450, 3,300N in 2.4mm G450 and 3,000N in 2.9mm G2. Lab results.
- Drill point test: it drilled 1.9mm G450 at 2,200rpm under an 18kg load in no more than 6 seconds (5 seconds average). Torsional strength 16.9Nm.
- Install with a cordless screwdriver at 2,200 to 3,000rpm, with firm steady pressure, and do not over-tighten. Impact drivers are not recommended. Recommended 3/8 inch hex bits: TXDIPNSS37045, TXDIPNSS37065 and TXDIPNSS37150.
Who it helps: Roofers fixing insulated roof panels to steel purlins.
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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.