Hobson performance data
Drop-In Anchor, 316 Stainless: Performance Data
Hobson's two-page performance data for the 316 stainless drop-in anchor, part MDI16PCM: a medium duty anchor for concrete that works at shallow embedment. An expansion wedge inside is driven down with a setting tool so the anchor grips the hole, and it can be loaded straight away once correctly installed. The stainless version is for corrosive environments.
What this covers
- Applications and features
- Sizes
- Setting tools
- Installation data
- Load performance
Applies to Drop-In Anchor and Drop-In Anchor Setting Tool.
Key things to remember
The essentials from this document in plain words. Check the full document before you rely on a figure.
- Sizes M6 x 25, M8 x 30, M10 x 40, M12 x 50 and M16 x 65, in 316 stainless for corrosive environments.
- Hole diameter and tightening torque: M6 8mm, 4Nm; M8 10mm, 8Nm; M10 12mm, 15Nm; M12 15mm, 35Nm; M16 20mm, 60Nm. Hole depth equals the anchor length.
- Working load in tension in 32MPa non-cracked concrete (safety factors 2.5 steel and 3.0 concrete included): M6 2.3kN, M8 3.0kN, M10 4.6kN, M12 6.5kN, M16 9.6kN.
- Working load in shear in the same concrete depends on edge distance, for example M10 x 40: 10.9kN at 135mm, 12.8kN at 150mm, 16.1kN at 175mm. Design resistances in the same table already include strength reduction factors (0.60 concrete, 0.80 steel) and are for engineers.
- Minimum edge distance, spacing and concrete thickness by size, for example M10: 135mm edge, 100mm spacing, 120mm thick concrete.
- Use the matching drop-in setting tool: it gives a visual check that the anchor is set correctly.
Who it helps: Installers fixing into concrete outdoors, near the coast or in other corrosive conditions.
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