Hobson performance data
12-14 Bi-Metal 304 Stainless Pan Head Self-Drilling Screw: Performance Data
Hobson's two-page DRiLLX performance data sheet for its 12-14 x 38mm bi-metal 304 stainless pan head self-drilling screw, part T4XMXPQ1214038. It covers pull-out values in steel purlin, a drill point test, mechanical strength and installation.
What this covers
- Applications
- Pull-out values
- Drill point test
- 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.
- Metal to metal fixing for corrosive conditions: cladding metal sheet, signs, fences and sheds.
- Bi-metal 304 stainless with Hobson's R1000 hours protective coating.
- One size: 12 gauge x 14 TPI x 38mm, 31.5mm thread, 11.7mm pan head, square #2 drive (QFind Q960).
- Working pull-out load in purlin: 450N in 1.2mm G2, 1,000N in 1.5mm G550, 1,850N in 2.5mm G450 and 2,100N in 3.0mm G2.
- All pull-out figures are from laboratory tests on Hobson's DRiLLX screws; the working loads already include a factor of safety of 2.5 for steel.
- Characteristic tensile strength 10,350N and characteristic shear strength 6,200N.
- Install with a cordless screwdriver at 2,200 to 3,000 RPM, keep firm, steady pressure while it drills, and do not overtighten. Impact drivers are not recommended.
Who it helps: Anyone fixing sheet, signs or fencing to steel who wants a stainless pan head 12g tek screw.
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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.