12mm

The KEEP-NUT™ IM1S/P1.4-20/H5 by Specialinsert is a 1-crown press-in anchor engineered for ultra-thin substrates. Requiring a hole depth of only 5.5mm (.22″), it provides a permanent, epoxy-free 1/4-20 threaded receiver in exceptionally thin HPL, glass, fiber cement, and solid surface panels.

How to Read Keep-Nut Part Numbers:
(Type) / (Thread) / (Height Code)
Example: IM1S / P1.4-20 / H5

• IM1S: 1-Crown Insert (Light Duty / Ultra-Thin)
• P1.4-20: 1/4-20 Imperial Thread
• H5: 5.5mm Embedment Depth

Part Specifications:

• Required Hole Depth: 5.5 mm (.22″)
• Minimum Material Thickness: 8.0 mm (.31″)
• Average Pull-Out Force: 202 lbf (0.9 kN)