Special Thread (UNF-2A)

Special thread fittings are used in unique applications. Many of these parts are used on older-model equipment.

Precision Part # Description Alemite Part # King Fisher Part # Lincoln Part # Height Shank Hex
PS1792 1/4"-28 UNF-2A Straight 1792-B 201792 5527 33/64" 5/32" 9/32"
PS1653 1/4"-28 UNF-2A Straight - - - 23/32" 3/8" 5/16"
PS1770 1/4"-28 UNF-2A 45 deg. angle 1770-B1 - - 57/64" 5/32" 3/8"
PS1631 5/16"-32 UNF-2A Straight 1631-B - - 21/32" 15/64" 3/8"
PS1711 5/16"-24 UNF-2A Straight 1711-B 201711 5061 9/16" 5/32" 3/8"
PS1712 5/16"-24 UNF-2A Straight - - - 11/16" 1/4" 3/8"
PS1945 5/16"-24 UNF-2A 45 deg. angle - - - 59/64" 13/64" 9mm
PS1990 5/16"-24 UNF-2A 90 deg. angle - - - 23/32" 13/64" 9mm
PS1710 3/8"-24 UNF-2A Straight - 201710 - 0.633 15/64" 7/16"
PS1745 3/8"-24 UNF-2A 45 deg. angle - - - 1-1/16" 19/64" 7/16"
PS1790 3/8"-24 UNF-2A 90 deg. angle - - - 27/32" 19/64" 7/16"