Screws - Countersunk - Socket - Aluminium

UNC - UNF - METRIC - Stainless Steel

Imperial Sizes to ANSI B18.3.
Metric Sizes to DIN7991.
ISO 10642
The thread length indicated is the minimum. Some batches may be produced with longer threaded sections or even full threaded shanks.

PDF Catalogues

Screws

Information Sheets

Measuring Miniature Parts - Thread Chart