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Torque Specifications
 
 
Stud Drivers / Tighteners
 
 
3/8” square drive
SAE SIZE METRIC SIZE
Part No. Stud Dia Part No. Stud Dia
KSD-2 1/4” UNF 1/4” UNF SDM - 206/1.00 M6 x 1.0
KSD-2 1/4” BSF 1/4” BSF SDM - 207/1.00 M7 x 1.0
KSD-2 5/16” UNF 5/16” UNF SDM - 208/1.25 M8 x 1.25
KSD-2 5/16” BSF 5/16” BSF SDM - 208/1.00 M8 x 1.00
KSD-2 3/8 UNF 3/8 UNF SDM - 210/ 1.50 M10 x 1.50
KSD-2 3/8” BSF 3/8” BSF SDM - 210/1.25 M10 x 1.25
 
 
1/2” square drive
SAE SIZE METRIC SIZE
Part No. Stud Dia & Pitch Part No. Stud Dia & Pitch
KSD-3 1/4” UNF 1/4” UNF KSDM-306 M6 x 1.00
KSD-3 1/4” BSF 1/4” BSF KSDM-307 M7 x 1.00
KSD-3 5/16 UNF 5/16 UNF KSDM-308 M8 x 1.25
KSD-3 5/16” BSF 5/16” BSF KSDM-308/1 M8 x 1.00
KSD-3 3/8” UNF 3/8” UNF KSDM-310 M10 x 1.50
KSD-3 3/8” BSF 3/8” BSF KSDM-310/1.25 M10 x 1.25
KSD-3 1/2” UNF 1/2” UNF KSDM-312 M12 x 1.75
KSD-3 1/2” BSF 1/2” BSF KSDM-312/1.25 M12 x 1.25
KSD-3 9/16” UNF 9/16” UNF KSDM-314 M14 x 2.00
KSD-3 9/16” BSF 9/16” BSF KSDM-314/1.50 M14 x 1.50
KSD-3 5/8” UNF 5/8” UNF KSDM-316 M16 x 2.00
KSD-3 5/8” BSF 5/8” BSF KSDM-316/1.5 M16 x 1.50
 
 
3/4” square drive
SAE SIZE METRIC SIZE  
Part No. Bolt Size Part No. Bolt Size Thread Length
KSD-4-5/8” UNF 5/8” UNF KSDM-416 M 16 x 2.0 20
KSD-4-5/8” BSF 5/8” BSF - - 20
KSD-4-3/4” UNF 3/4” UNF KSDM-420 M 20 x 2.0 24
KSD-4-3/4” BSF 3/4” BSF - - 24
KSD-4-7/8” UNF 7/8” UNF KSDM-422 M 22 x 2.5 24
KSD-4-7/8” BSF 7/8” BSF - - 24
KSD-4-1” UNF 1” UNF KSDM-424 M 24 x 3.0 24
KSD-4-1” BSF 1” BSF - - 24
 
 
1” square drive
SAE SIZE METRIC SIZE  
Part No. Bolt Size Part No. Bolt Size Thread Length
KSD-5-7/8” UNF 7/8” UNF - - 30
KSD-5-7/8” BSF 7/8” BSF - - 30
KSD-5-1” BSF 1” UNF SDM 524 M 24 x 3.0 32
KSD-5-1” BSF 1” BSF - - 32
KSD-5 1.1/8” UNF 1.1/8” UNF SDM 527 M 27 x 3.0 35
KSD-5 1.1/8” BSF 1.1/8” BSF - - 35
KSD-5 1.1/4” UNF 1.1/4” UNF SDM 530 M 30 x 3.5 40
KSD-5 1.1/4” BSF 1.1/4” BSF - - 40
KSD-5 1.3/8” UNF 1.3/8” UNF SDM 533 M 33 x 3.5 40
KSD-5 1.3/8” BSF 1.3/8” BSF - - 40
KSD-5 1.1/2” UNF 1.1/2” UNF SDM 536 M 36 x 4.0 48
KSD-5 1.1/2” BSF 1.1/2” BSF - - 48
 
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