Die casting core hole design for TAPTITE II®

The tables show the design recommendations for TAPTITE II® in aluminum die casting parts with injected or drilled holes.

The values in the table should be used as a reference. We recommend to carry out relevant tests on die casting parts to establish the precise values. Dimensions in mm.

For additional information, please, contact our technical department.

1. Aluminum die casting parts with injected holes.

Dimensions injected hole die casting TAPTITE II

injected hole TAPTITE 2000

d = Screw diameter

Øa = Core hole diameter

Øext = External diameter

Øb = Relief bore external diameter

Le = Length of engagement

P = Minimum depth


2. Aluminum die casting parts with drilled holes.

Dimensions drilled hole die casting TAPTITE II




drilled holes TAPTITE 2000

d = Screw diameter

Ø = Core hole diameter

H = Wall thickness

Le = Length of engagement

P = Minimum depth

Assembly recommendations


Tr = Threading torque

Ta = Tightening torque

Tf = Failure torque


For additional information about the assembly in metal parts, please contact our technical department.

Published: 2022-10-20