Product Description

UNC/BSW Grub Screws.
Black DIN 916.
275 Pieces.
3/16″ UNC/BSW: x 3/16″, 1/4″, 5/16″, 3/8″.
1/4″ UNC/BSW: x 1/4″, 5/16″, 1/2″.
5/16″ UNC/BSW: x 1/4″, 5/16″, 1/2″.
3/8″ UNC/BSW: x 3/8″.