Products > Controls > British Female Fork Joints
The letter ‘L’ or ‘R’ at the end of the part number denotes a left or right hand thread fork.
ThreadMinimum Tensile Strength (lbs)Width Between JawsTakes PinPart Number
4 BA1,1550.1”SP4Y-A1SP3Y-412L
SP3Y-412R
2 BA2,0900.15”SP4Y-B3SP3Y-413L
SP3Y-413R
7/32” BSF2,8600.2”SP4Y-C5SP3Y-411L
SP3Y-411R
1/4” BSF3,7950.2”SP4Y-D6SP3Y-414L
SP3Y-414R
9/32” BSF5,1150.2”SP4Y-E8SP3Y-415L
SP3Y-415R
5/16” BSF6,2700.25”SP4Y-G10SP3Y-416L
SP3Y-416R
11/32” BSF7,8650.25”SP4Y-G11SP3Y-417L
SP3Y-417R
3/8” BSF9,3500.3”SP4Y-J12SP3Y-418L
SP3Y-418R