Hobson performance data
S500 Hex Head and Washer Self-Drilling Screw 12-24 for Hot Rolled Steel, Class 4: Performance Data
Hobson's two-page DRiLLX product data sheet for the S500 hex head and washer self-drilling screw, 12-24 gauge, Class 4, with an extended drill point for thick steel. 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.
- Parts T9P54SH1224032, 050, 065 and 085: 12-24 x 32, 50, 65 and 85mm, 5/16 inch hex head; 32 and 50mm packed 1,000, 65 and 85mm packed 500.
- For metal to metal fixing into thick steel purlins and hot rolled steel, including roofing and walling sheets to hot rolled steel.
- C1022 hardened steel with a Class 4 finish.
- Working pull-out load from the steel it is fixed into, safety factor 2.5 already included: 1,400N in 2mm G450, 5,350N in 5mm hot rolled steel, 6,650N in 6mm hot rolled steel. Laboratory values; actual loads depend on the base material.
- Drill test: through 8.0mm cold rolled steel in no more than 10 seconds at 2,200 RPM with 27kg load.
- Use a 5/16 inch hex 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 sheeting to heavy steel and hot rolled sections.
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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.