Description
Ultimate Structural Anchoring: IM4S / P1.4-20 / H15
The IM4S-H15 Keep-Nut™ is the deepest and strongest anchor in the Keep-Nut family. Engineered for extreme pull-out strength in demanding structural applications, this insert utilizes four heavy-duty elastic crowns seated at a 15.5mm embedment depth to deliver a massive 944 lbs of pull-out resistance per anchor.
Requiring a minimum surface thickness of 17.5mm, it is the premier choice for natural 2cm and 3cm granite, heavy exterior architectural cladding, structural UHPC, and high-load commercial installations. Simply drill a 12mm diameter hole to a depth of 15.5mm, press the insert in, and it is instantly ready to bear a structural load—no epoxy required.
Technical Specifications for IM4S/P1.4-20/H15
| SKU | Thread | Min. Thickness | H1 Thread Depth | D2 Hole Dia (±0.2) | L2 Hole Depth | Avg. Pull-Out Force |
|---|---|---|---|---|---|---|
| IM4S/P1.4-20/H15 | 1/4-20 | 17.5 mm (.69″) | 14.0 mm (.55″) | 12 mm | 15.5 mm (.61″) | 944 lbf (4.2 kN) |
Working with thinner materials?
Warning: If your panel is less than 17.5mm thick, this structural insert will bottom out or protrude. You must downgrade to a shallower insert below:
➜ Shop 1-Crown (5.5mm Depth)
➜ Shop 2-Crown (6.5mm Depth)
➜ Shop 4-Crown (8.5mm Depth)
➜ Shop 2×2 Crown (11.5mm Depth)
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