Hobson data sheet
vmaX Roofing Screw with Washer 6.2-11 Class 4 (Q313, Q314): Data Sheet
Hobson's two-page data sheet for the DRiLLX vmaX roofing screw with washer, 6.2-11 gauge, in 50mm (Q313) and 65mm (Q314). It is a hex head screw with seal for crest fixing roof sheets to steel or timber battens, with a universal drill point.
What this covers
- Applications
- Pull-out values
- 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.
- Parts T9PV4XS6211050 (50mm) and T9PV4XS6211065 (65mm): 6.2 gauge, 11 TPI, 5/16 inch hex, packs of 500.
- The universal drilling point suits thin metal battens, timber trusses and steel purlins up to 1.9mm thick.
- SAE1022 steel, class 4 finish, with heads painted in Colorbond colours.
- Working pull-out loads (safety factor 2.5 already included): 400N in 0.55mm G2 purlin, 950N in 1.10mm G2, 2,100N in 1.5mm G550, 2,700N in 1.9mm G450; 1,050N in F7 pine and 2,800N in hardwood at 32mm embedment. Lab results.
- Install with a cordless screwdriver at 2,200 to 3,000rpm, firm steady pressure, and do not over-tighten. Impact drivers are not recommended.
Who it helps: Roofers and builders fixing roof sheet through the crest.
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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.