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BSA Carbide Burr Blank Return to Burr Menu
Shape SA (Cylindrical)

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Blank Designation A B
Nominal Actual Nominal Actual
BSA-51 S 1/4 .265±.005 3/16 .193±.010
BSA-51 1/4 .265±.005 1/2 .500±.010
BSA-2 5/16 .327±.005 3/4 .750±.010
BSA-3 3/8 .390±.005 3/4 .750±.010
BSA-4 7/16 .453±.005 1 1.000±.010
BSA-5 1/2 .515±.005 1 1.000±.010
BSA-6 5/8 .640±.005 1 1.000±.010
BSA-16 3/4 .767±.005 1/2 .500±.010
BSA-72 3/4 .767±.005 3/4 .750±.010
BSA-7 3/4 .767±.005 1 1.000±.010
BSA-8 7/8 .892±.005 1 1.000±.010
BSA-9 1 1.019±.007 1 1.000±.010
All dimensions in inches.

Blank Designation TechMet Stock Number by Grade
TMK-15A TMK-15B
BSA-51 S    
BSA-51 23002 21002
BSA-2 23052 21052
BSA-3 23000 21000
BSA-4 23065 21065
BSA-5 23001 21001
BSA-6 23035 21035
BSA-16    
BSA-72 23041 21041
BSA-7 23042 21042
BSA-8 23200 20009
BSA-9 23043 21043