ISO-15482 DIN-7504P Flat Countersunk Head self-drilling Screws

Self-drilling screws are common construction screws used to fasten metal structures in a quick and convenient way. Choosing the right screws with compliance will reduce a lot of working time and secure your building. Sun Through offers nice self-drilling screws with good quality at a competitive price. It is also known as Tek screws.

ISO 15482 adopted DIN-7504P and defines the dimensions, tolerance, mechanical properties and conditions for acceptance clearly. Sun Through's self-drilling screws are in compliance with the standards.

Type H: as known as phillips drive.

Type Z: as known as Pozi drive.

Thread Sizes  ST4.2 ST4.8 ST5.5 ST6.3
Head Dia. <8.4 <9.3

<10.3

<11.3
Drive Size #2 #2 #3 #3

 *** specifications can be customized, contact us for specific specs***

      ST4.2 ST4.8 ST5.5 ST6.3
Drilling capacity     1.75-3.00 1.75-4.4 1.75-5.25 2.0-6.0
Nominal length min. max. Thread Length (min.)
13 12.1 13.9 4.3 *(1)    
16 15.1 16.9 7.3 5.8 *(1)  
19 18 20 10.3 8.7 8.0 7.0
22 21 23 13.3 11.7 11 10
25 24 26 16.3 14.7 14 13
32 30.75 33.25 23.0 21.5 21 20
38 36.75 39.25 29.0 27.5 27 26
45 43.75 46.25   34.5 34 33
50 48.75 51.25   39.5 39 38

*(1) not applicabl for countersunk head.

 *** specifications can be customized, contact us for specific specs***