Hobson performance data
vmaX Hex Head Batten Screw 12 Gauge x 40, Class 3: Performance Data
A two-page product data sheet (2016) for the DrillX vmaX self-drilling hex head screw for battens, 12 gauge, 11 TPI, 40mm long, part T9PV3FH1211040. It covers the finish class, drilling capacity, mechanical properties and pullout strengths in steel and timber.
What this covers
- Finish and standard
- Drilling capacity
- Mechanical properties
- Pullout strength
- Installation
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Finish complies with AS 3566.2 Class 3, suitable for ISO 9223 Category 3 environments. Made from SAE 1022 steel.
- One size: 12 gauge, 11 TPI, 40mm long (36.1mm effective length), 5/16" hex head, pack of 1,000 weighing 7.2kg.
- Drilling capacity: top hat batten 0.55 to 0.75mm, steel purlin 1.20 to 1.90mm, and timber (pine and hardwood) with 35mm minimum embedment.
- Characteristic ultimate pullout: 950N in 0.48mm G550 steel, 3,480N in 1.20mm G450, 6,138N in 1.90mm G450; 3,720N in MGP10 pine and 7,140N in F17 hardwood. These are laboratory values, not working loads; the sheet says safety factors should be considered for design.
- Characteristic tensile strength 15,110N, shear strength 8,310N, torsional strength 13.0 Nm.
- Install with a 5/16" hex nut setter on a cordless screwdriver at 2,200 to 3,000 RPM, with firm, steady pressure. Do not over-tighten.
Who it helps: Roofers and builders fixing battens and roof sheeting to steel or timber who need characteristic pullout figures.
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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.