Sea Screw Ltd for Stainless Fastening and Fixings
Information on 
Self Tapping Screws 
Pan Head Slotted. 
 
In A2 304 & A4 316 Stainless Steel.
 Made to DIN 7971 Standard
 
Stainless Self Tapping Screws Pan Slotted
1st size given is the S diameter i.e. No. 8 = 4.2mm  
2nd size given is the L length from under the head. 
For Head Diameter See chart below. 

No. Size (S)
Diameter

Thread diameter 
often 5%  smaller
 Approximate
Head Diameter
No. 2 2.2 mm 2.9 mm
No. 4 2.9 mm 5.3 mm
No. 6 3.5 mm 6.6 mm
No. 8 4.2 mm 7.3mm
No. 10 4.8 mm 9.3 mm
No. 12 5.5 mm 10.5 mm
No. 14 6.3mm 12.2 mm