1/2 x1 UNF CSK SOCKET BL

Countersunk Socket screws have an in-hex drive and are fastened using a hexagonal wrench also known as an Allen key. The length is measured overall including the head, this is because the head sits in the material and therefore becomes part of the length. Use Allen key size = 5/16"

GST Incl
Excl
1/2 x1 UNF CSK SOCKET BL
CSKF012100B
Each
$1.1946