Taper Thread (SAE-LT)

1/4"-28 = 28 Threads Per Inch (SAE-LT)

These are our most popular fittings. They are used on cars, trucks and many types of industrial equipment.

Precision Part # Description Alemite Part # King Fisher Part # Lincoln Part # Height Shank Hex
PS1641 1/4"-28 Straight 1641-B 201641 5010 35/64" 3/16" 5/16"
PS1652 1/4"-28 Straight 1652-B 201652 5013 11/16" 11/32" 5/16"
PS1680 1/4"-28 Straight 1680-B 201680 5014 15/16" 5/8" 5/16"
PS1698 1/4"-28 Straight 1698-B 201698 5017 1-1/8" 25/32" 5/16"
PS3014 1/4"-28 Straight 3014-B - - 1-5/8" 1-9/32" 5/16"
PS1637 1/4"-28 45 deg. angle 1637-B1 211637 5210 13/16" 13/64" 3/8"
PS1636 1/4"-28 45 deg. angle 1636-B1 211636 5212 15/16" 19/64" 3/8"
PS1665 1/4"-28 65 deg. angle - 211665 - 0.711" 13/64" 3/8"
PS3010 1/4"-28 65 deg. angle 3010-B1 - 700396 25/32" 19/64" 3/8"
PS1911 1/4"-28 90 deg. angle 1911-B1 211911 5410 3/4" 13/64" 3/8"
PS1914 1/4"-28 90 deg. angle - - - 27/32" 19/64" 3/8"