Hobson performance data
DS03 Security Sleeve Anchor, Countersunk Head with Break-off Nut: Performance Data
Hobson's two-page performance data sheet for the DS03 zinc plated countersunk sleeve anchor with a break-off security nut (MTFHDS030 range). It gives the three sizes, the setting details and characteristic pull-out and shear loads in concrete.
What this covers
- Applications
- Features
- Sizes and part numbers
- Setting details
- Characteristic loads
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Tamper proof security fixing: the hex nut breaks away when installed, leaving a countersunk head flush with the fixture.
- For hand rails, signage, seating and lighting in public areas, correction facilities, hospitals, parks, railway stations and stadiums.
- Zinc plated carbon steel, 10mm diameter with an M8 stud: 70, 90 and 110mm long (MTFHDS03010060 to MTFHDS03010100), packs of 50.
- Maximum fixture thickness 10, 30 and 50mm for the three lengths.
- Setting: 10mm hole drilled 65mm deep, concrete at least 100mm thick, 75mm minimum edge distance and spacing. Tighten with a 15mm spanner or socket; impact drivers are not recommended.
- For engineers: characteristic loads of 7.5kN pull-out and 9.5kN shear, tested in non-cracked C20/25 concrete without edge or spacing effects. These are not working loads.
Who it helps: Installers who need a flush, vandal resistant fixing into concrete in public areas.
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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.