Hobson performance data
Serrated Flat Head Framing Screw 6.2-25 x 16, E-Coat Black, Torx Drive: Performance Data
A one-page DRiLLX data sheet for the E-Coat Black serrated flat head framing screw T9PFKET6225016, torx drive, used to fix steel wall frames and roof trusses through pre-punched holes. It gives the part details, mechanical properties and pullout strength in purlin steel.
What this covers
- Features
- Applications
- Dimensions
- Mechanical properties
- Pullout strength
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Part T9PFKET6225016: 6.2mm, 25 TPI, 16mm long, 9.6mm head, Torx T25 drive. C1022 hardened steel, E-Coat Black finish.
- For steel wall frames and roof trusses. Pre-punched holes are required.
- Underhead serrations resist loosening; the thread form reduces friction when driving and resists vibration loosening; the thread runs to the tip for an easy start.
- Working pullout load: 590N in 0.55mm G2 purlin, 670N in 0.8mm G2, 750N in 1.1mm G2 and 1,050N in 1.5mm G550 purlin. Working loads include a factor of safety of 2.5 for steel; mean and characteristic values are also listed, all from laboratory tests.
- Characteristic shear strength 6,040N and characteristic tensile strength 10,070N; torsional strength 10.9Nm; minimum head and shank bend angle 12 degrees.
Who it helps: Steel frame and truss builders, and staff comparing framing screw finishes.
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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.