Hobson performance data
Metal SDS Flanged Hex Head with XGRiP 12-14, Class 4: Performance Data
Hobson's two-page performance data for the DRiLLX metal SDS flanged hex head screw with XGRiP, 12 gauge, 14 TPI, class 4 (part T9PM4XH1214). It is for metal to metal fixing and fastening roof sheet to steel purlins or battens, including crest fixing; the XGRiP thread under the head holds the roof profile.
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 37mm (Q295), 43mm (Q296) and 53mm (QA40), 12 gauge 14 TPI, 5/16 inch hex.
- C1022 hardened steel with a class 4 finish.
- Working pull-out loads in steel (safety factor 2.5 for steel included): 550N in 1.1mm G2, 1,850N in 2.0mm G450, 2,500N in 2.5mm G450 and 3,850N in 3.8mm G450. Lab results.
- Drill point test: it drilled 2.0mm G450 at 2,200rpm under an 18kg load in no more than 5.5 seconds (4 seconds average). Torsional strength 10.9Nm.
- 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.
Who it helps: Roofers and steel builders crest fixing roof sheet to steel purlins and battens.
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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.