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Kato Electric Tool Mandrel Specification (Tanged Inserts)
   
 
   
 
Thread
Size
Mandrel
Part #
"A" Diameter
Ref.
"B" Flats
Ref.
Unified Thread Sizes
2-56 CTSB-02C 0.156 0.215
4-40 CTSB-04C 0.156 0.215
6-32 CTSB-06C 0.156 0.281
8-32 CTSB-2C 0.156 0.281
10-24* CTSB-3C 0.248 0.345
1/4-20* CTSB-4C 0.248 0.378
10-32* CTSB-3F 0.248 0.345
Metric Thread Sizes
M3 CTSB-M3 0.156 0.281
M4 CTSB-M4 0.156 0.281
M5 CTSB-M5 0.248 0.345