self tapper.jpg
Sheet Metal / Self Tapping Screws
Sheet metal screws (SMS) have sharp cutting threads that cut into sheet metal, plastic or wood. They have a fully threaded shank and sometimes have a notched point at the tip to aid in chip removal during thread cutting.
Diameter
(d)
dk
 
k
 
Drive
 
#2 (2.2)
4.20-3.90
1.80-1.55
#1
#4 (2.9)
5.60-5.30
#1
2.20-1.95
#6 (3.5)
6.90-6.54
2.60-2.35
#2
#7 (3.9)
7.50-7.14
2.80-2.55
#2
#2
8.20-7.84
#8 (4.2)
3.05-2.75
#10 (4.8)
9.50-9.14
3.55-3.25
#2
#12 (5.5)
10.80-10.37
3.95-3.65
#3
#3
12.50-12.07
#14 (6.3)
4.55-4.25
c000700220001_pozi-pan-self-tapping-scre