Hobson performance data
Type 17 Bugle Batten Screw with Ribs 14-10, Zinc Yellow: Performance Data
A three-page DRiLLX performance data sheet for the Type 17 bugle batten rib self drilling timber screw (T9PWYBH1410 range), 14 gauge, 10 TPI, with an iHex bugle head. It covers sizes, pullout values in pine and hardwood, mechanical properties, a drill point test and installation.
What this covers
- Applications
- Dimensions
- Pullout values
- Mechanical properties
- Drill point test
- Installation
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Four lengths: 50, 65, 75 and 100mm (T9PWYBH1410050 to T9PWYBH1410100). 14 gauge, 10 TPI, 14mm bugle batten head with a 5mm hex socket.
- Four ribs under the head help countersink the screw into timber. C1022 hardened steel, zinc yellow passivate.
- Listed for heavy duty timber fixing, roof battens, and pergolas, furniture and fences.
- 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; mean and characteristic values are also listed, all from laboratory tests.
- Characteristic shear strength 11,800N and characteristic tensile strength 19,650N (mean 13,150N and 21,950N); torsional strength 14.1Nm.
- Drill point test: through 0.55mm G300 steel under an 18kg load at 2,200RPM in no more than 4.5 seconds (3.5 seconds average). Impact drivers are not recommended for installation.
Who it helps: Builders fixing roof battens, pergolas and fences.
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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.