Your Cart
-
${ item.product_title }R ${item.price}
Description
Dual-Thread Structural Insulation / Distance Screw with Small Cylindrical Head and Torx Drive (Fischer JustiFiX / Insulation Distance Screw)
A heavy-duty steel structural fastener featuring two distinct threaded sections separated by a long smooth shank, engineered for top-of-rafter insulation (on-roof insulation) and stand-off batten fixing without crushing thermal insulation layers.
-
Dual Threaded Zones: Lower coarse thread anchors deep into structural wood rafters, while the upper wider thread holds the outer batten firmly at a fixed distance to support heavy roof loads.
-
Cylindrical / Trim Head with Torx Drive (TX): Compact head with a precision star recess sits neatly flush or slightly embedded within battens, providing high torque transfer without splitting wood.
-
Non-Compressive Distance Fastening: Transfers compressive, tensile, and shear loads directly through the screw shank, preserving the structural integrity and thermal efficiency of rigid insulation panels.
-
Self-Tapping Piercing Tip: Sharp lead-in tip with active thread geometry enables fast starting and smooth penetration through thick wood members.