Project Description

Flat Head Self-Drilling Screw

DIN 7504P

Material:SUS304,SUS316,SUS410

D:ST3.5~ST6.3

Length:13~75mm

Standard:DIN ANSI BS

DIN7504P Drawing
d ST2.9 ST3.5 ST3.9 ST4.2 ST4.8 ST5.5 ST6.3
P Pitch 1.1 1.3 1.3 1.4 1.6 1.8 1.8
a Max. 1.1 1.3 1.3 1.4 1.6 1.8 1.8
dk Max. 5.5 6.8 7.5 8.1 9.5 10.8 12.4
Min. 5.2 6.44 7.14 7.74 9.14 10.37 11.97
k 1.7 2.1 2.3 2.5 3 3.4 3.8
dp Max. 2.3 2.8 3.1 3.6 4.1 4.8 5.8
M1 3 4.2 4.6 4.7 5.1 6.8 7.1
Steel thickness 0.7~1.9 0.7~2.25 0.7~2.4 1.75~3 1.75~4.4 1.75~5.25 2~6