Hobson performance data
Type 17 Flanged Hex Head and Seal Timber Screw 14-10, Class 4: Performance Data
A two-page DRiLLX performance data sheet for the Type 17 flanged hex head and seal self drilling timber screw (T9PW4SH1410 range), 14 gauge, Class 4 finish. It gives pullout values in pine and hardwood, mechanical properties, sizes and installation.
What this covers
- Applications
- Pullout values
- Mechanical properties
- Dimensions
- Installation
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Sizes: 14-10 x 25 and 40 (T9PW4SH1410 range), 14.5mm flanged hex head with seal, 3/8 inch hex drive.
- C1022 hardened steel, Class 4 finish. For fixing thin metal to timber, and cladding or panels to timber battens.
- Working pullout load at 35mm embedment: 1,750N in F7 pine and 2,950N in F27 hardwood. Working loads include a factor of safety of 2.5 for timber. All values are laboratory results.
- Characteristic shear strength 11,800N and characteristic tensile strength 19,650N (mean 13,150N and 21,950N); torsional strength 14.1Nm.
- Install with a cordless screwdriver at no more than 1,500RPM, with firm pressure. Do not over-tighten; impact drivers are not recommended.
Who it helps: Builders fixing cladding, panels or thin metal to timber 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.