Hole design for thread forming screws

CELO's tool for screw hole design provides the hole sizes of thread forming screws, for plastic and metal.

To ensure a safe installation and guarantee a stable clamping force it is important to pay attention to the hole dimensions and boss design. In a few easy steps, obtain the hole configuration for optimal screw performance.

Hole dimensions for plastic assemblies

Recommended boss design and hole dimensions for different types of thermoplastics (PA, ABS, PPA+30GF...).

REMFORM®, REMFORM® II HS™, REMFORM® II F™, PLASTITE®

Hole dimensions for aluminum and magnesium die casting

Hole configuration for aluminium and magnesium die casting parts and aluminum extruded profiles.

TAPTITE 2000®, TAPTITE II®, REMFORM® II F™

Hole dimensions for sheet metal assemblies

Hole configuration for drilled or extruded holes of thin sheet in aluminum and steel.

FASTITE® 2000™, EXTRUDE-TITE®, STRUX®, STRUX SM™