Technical History and International Equivalents of DIN EN ISO 15483

Cross recessed raised countersunk head drilling screws with tapping screw thread

 

This standard (DIN 15483 and equivalents) specifies the characteristics of cross recessed raised countersunk head drilling screws with tapping screw thread from ST2,9 to ST6,3 included.

The self drilling screws are mainly used for fastening sheet metals without a previous hole and are the screws themselves which bore into the sheets and subsequently fasten both plates.

Dimensional Drawing and Technical Diagrams

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Key Dimensions and Technical Parameters

Dimensions in mm - source DIN 15483

Publication date: 02/2000 Supersedes DIN 7504 R : 09-1995

d thread size

P
k max
f ~
dk min
dk max r ~ recess nr.
Type H m ref.
Type Z m ref. drilling range
ST2.9 1.1 1.7 0.7 5.2 5.5 6 1 3.4 3.3 0.7÷1.9
ST3.5 1.3 2.35 0.8 6.9 7.3 8.5 2 4.8 4.8 0.7÷2.25
ST4.2 1.4 2.6 1 8 8.4 9.5 2 5.2 5.2 1.75÷3
ST4.8 1.6 2.8 1.2 8.9 9.3 9.5 2 5.4 5.6 1.75÷4.4
ST5.5 1.8 3 1.3 9.9 10.3 11 3 6.7 6.6 1.75÷5.25
ST6.3 1.8 3.15 1.4 10.9 11.3 12 3 7.3 7.2 2÷6