Metric countersunk head machine screws - Slotted
DIN 963
BS 4183
ISO 2009
Materials/Finishes:
Steel 4.8/Zinc & clear
Stainless steel/Self colour
Brass/Self colour
Dimensions
Thread (d) M2 M2.5 M3 M3.5 M4 M5 M6 M8
H max (BS/DIN) 1.2 1.5 1.65 1.93 2.2 2.5 3 4
H max (ISO) 1.2 1.6 1.65 2.35 2.7 2.7 3.3 4.65
D nom (DIN) 3.8 4.7 5.6 6.5 7.5 9.2 11 14.5
D nom (BS) 4.4 5.5 6.3 7.35 8.4 10 12 16
D nom (ISO) 3.8 4.7 5.6 7.3 8.4 9.3 11.3 15.8
w (slot width) nom 0.6 0.7 0.9 1 1.3 1.3 1.7 2
t (slot depth) min 0.8 1 1.2 1.4 1.6 2 2.4 3.2
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)
M2 M2.5 M3 M3.5 M4 M5 M6 M8
4
5 ST ST ST
6 ST ST ST BR ST BR
8 ST ST ST BR ST BR ST
10 ST ST ST BR ST BR ST BR ST
12 ST ST ST BR ST BR ST BR ST BR ST
16 ST ST BR ST BR ST BR ST BR ST
20 ST ST BR ST BR ST BR ST BR ST
25 ST BR ST BR ST BR ST BR ST
Length (L)
30 BR ST BR ST BR ST BR ST
35 ST ST BR ST
40 ST ST BR ST
45 ST
50 ST
60 ST
65 ST
70 ST
ST - Steel, Zinc & clear - other finishes often available
BR - Brass, Self colour
