Hex Locknut #74 – Brass

Available in –
1/8″ BSP
1/4″ BSP
3/8″ BSP
1/2″ BSP
3/4″ BSP
1″ BSP
3/8×24
7/16×24
1/2×24
9/16×24

Also available in – 
1 1/4″
1 1/2″
2″