Hobson performance data
Type 17 Flanged Hex Timber Screw 12-11, Zinc Yellow: Performance Data
A two-page DRiLLX performance data sheet for the Type 17 flanged hex timber screw in zinc yellow passivate (T9PWYFH1211 range), 12 gauge, 11 TPI, for fixing timber or thin metal to timber. It gives sizes, pullout values in pine and hardwood, and mechanical properties.
What this covers
- Applications
- Dimensions
- Pullout values
- Mechanical properties
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Six lengths, 25mm to 65mm (T9PWYFH1211025 to T9PWYFH1211065): 12 gauge, 11 TPI, 14.5mm flanged hex head, 5/16 inch hex drive.
- C1022 hardened steel, zinc yellow passivate. Listed uses: cladding, concrete formwork, gates and fences, and signage.
- Self drills through metal sheet up to 0.55mm thick into the timber below.
- Working pullout load: 450N at 15mm and 1,150N at 30mm embedment in F7 pine; 1,500N at 15mm and 2,550N at 30mm in hardwood. Working loads include a factor of safety of 2.5 for timber; mean and characteristic values are also listed. All are laboratory values.
- For the full pullout load, embed at least 30mm into the timber.
- Characteristic shear strength 9,050N and characteristic tensile strength 15,100N (mean 9,850N and 16,400N); torsional strength 9.4Nm.
Who it helps: Builders fixing cladding, formwork, fences or signs to timber.
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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.