Metric Countersunk head machine screws - PoziDriv®
DIN 965
BS 4183
ISO 7046
Materials/Finishes:
Steel 4.8/Zinc & clear
Stainless steel/Self colour
Brass/Self colour
Dimensions
Thread (d) M1.6 M2 M2.5 M3 M3.5 M4 M5 M6 M8
H max (BS/DIN) 0.96 1.2 1.5 1.65 1.93 2.2 2.5 3 4.5
H max (ISO) - 1.2 1.6 1.65 2.35 2.7 2.7 3.3 4.65
recess (BS/DIN) 0 1 1 1 2 2 2 3 4
recess (ISO) - 0 1 1 2 2 2 3 4
D nom (BS) - - 5.5 6.3 7.35 8.4 10 12 16
D nom (DIN) 3.00 3.8 4.7 5.6 6.5 7.5 9.2 11 14.5
D nom (ISO) - 3.8 4.7 5.5 7.3 8.4 9.3 11.3 15.8
NB: Generally our preferred stock is to DIN - if dimensions are critical to your application you
should check with us prior to ordering.
Preferred lengths
Thread (d)
M1.6 M2 M2.5 M3 M3.5 M4 M5 M6 M8
3 ST
4 ST ST ST A2 ST
5 ST ST ST A2 ST ST
6 ST ST ST A2 ST A2 A2 ST A2 ST
8 ST ST A2 ST A2 A2 ST A2 ST A2 ST
10 ST ST A2 ST A2 A2 ST A2 ST A2 ST A2 ST
12 ST ST A2 ST A2 A2 ST A2 ST A2 ST A2 ST
Length (L)
16 ST ST A2 ST A2 A2 ST A2 ST A2 ST A2 ST
20 ST ST A2 A2 ST A2 ST A2 ST A2 ST
25 ST ST ST A2 ST A2 ST A2 ST
30 ST ST A2 ST A2 ST A2 ST
35 ST ST ST A2 ST A2 ST
40 ST ST ST ST ST
45 ST ST ST ST ST
50 ST ST ST ST ST
60 ST ST ST ST
70 ST ST ST ST
80 ST ST ST ST
90 ST ST ST
100 ST ST ST
ST - Steel, Zinc & clear - other finishes often available
A2 - A2 Stainless steel, Self colour
