Half Nuts (Lock Nut) Coarse Pitch DIN 439 (ISO 4035) in A2 Stainless Steel
Nut conforming to DIN 439. Also known as a half nut, thin nut, or jam/lock nut. Typically fitted with
a spanner or ratchet with socket, often used in pairs or in conjunction with a hexagon full nut in a
locking arrangement. A popular nut type, and used for decades on all types of assembly throughout the
world. Fine Pitch and Left Hand Thread variants are also available immediately below this item.