Hobson performance data
Metal SDS Flower Head Self-Embedding Screw 8-18 x 20 for Fibre Cement: Performance Data
Hobson's two-page DRiLLX product data sheet for the Metal SDS flower head self-embedding screw, 8-18 x 20mm, zinc yellow passivate, for fixing fibre cement sheet to metal. It covers applications, pull-out values, a drill point test, mechanical properties, dimensions and installation.
What this covers
- Applications
- Material and finish
- Pull-out values
- Mechanical properties
- Dimensions and part numbers
- Installation
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Part T9PMYOP0818020: 8-18 x 20mm, #2 Phillips drive, packed 1,000.
- The flower head helps the screw embed itself into fibre cement sheeting; no pre-drilling needed.
- For fibre cement to metal: external cladding, internal lining, wall systems and flooring.
- C1022 hardened steel with a zinc yellow passivate finish.
- Working pull-out load from the steel it is fixed into, safety factor 2.5 already included: 300N in 0.7mm G2, 1,250N in 1.5mm G550, 2,200N in 2.5mm G450. Laboratory values; actual loads depend on the base material.
- Use a #2 Phillips drive bit in a cordless screw gun at 2,200 to 3,000 RPM, with firm, steady pressure while it drills. Do not over-tighten. Impact drivers are not recommended.
Who it helps: Builders fixing fibre cement cladding, lining or flooring to steel framing.
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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.