We offer special stainless steel double-hardened self-drilling self-tapping screws made of stainless steel AISI 410 (EN 1.4006) for drilling steel without drilling.


Comparison of hardness self drilling screws made of stainless steel 304 and 410:

304 410
240 HV 560 HV
20,3 HRC 53 HRC

Available sizes of self drilling screws

blachowkret samowiercacy Olfor

d l s k L max the thickness of hole
4,2 13 7 1,0 3,4 2 x 1,6
4,2 16 7 1,0 3,4 2 x 1,6
4,2 19 7 1,0 3,4 2 x 1,6
4,8 16 8 1,1 4,0 2 x 2,0
4,8 19 8 1,1 4,0 2 x 2,0
4,8 25 8 1,1 4,0 2 x 2,0
5,5 19 8 1,2 4,5 2 x 3,0
5,5 25 8 1,2 4,5 2 x 3,0
6,3 19 10 1,3 5,5 2 x 4,0
6,3 25 10 1,3 5,5 2 x 4,0

There is also the possibility of buying self drilling screws with EPDM pad stainless steel

blachowkret samowiercacy Olfor z EPDM

d l s k L d1 max the thickness of hole
4,2 13 7 1,0 3,4 12 2 x 1,6
4,2 16 7 1,0 3,4 12 2 x 1,6
4,2 19 7 1,0 3,4 12 2 x 1,6
4,8 16 8 1,1 4,0 14 2 x 2,0
4,8 19 8 1,1 4,0 14 2 x 2,0
4,8 25 8 1,1 4,0 14 2 x 2,0
5,5 19 8 1,2 4,5 16 2 x 3,0
5,5 25 8 1,2 4,5 16 2 x 3,0
6,3 19 10 1,3 5,5 16 2 x 4,0
6,3 25 10 1,3 5,5 16 2 x 4,0