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BSL Carbide Burr Blank Return to Burr Menu
Shape SL (14-Degree Cone, Ball Nose)

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Blank Designation A B R E ref.
Nominal Actual Nominal Actual Nominal Actual
BSL-2 5/16 .327±.005 1 1.015±.010 0.55 .060±.0025 7/8
BSL-3 3/8 .390±.005 1-3/16 1.208±.015 .065 .070±.0025 1-1/16
BSL-4 1/2 .515±.005 1-1/4 1.271±.015 .126 .131±.0025 1-1/8
BSL-5 5/8 .640±.005 1-5/16 1.333±.015 .188 .193±.0025 1-3/16
BSL-6 5/8 .640±.005 1-7/16 1.458±.015 .171 .176±.0025 1-5/16
BSL-7 3/4 .767±.006 1-5/8 1.646±.020 .216 .222±.003 1-1/2
All dimensions in inches.

Blank Designation TechMet Stock Number by Grade
TMK-15A TMK-15B
BSL-2 23047 21047
BSL-3 23016 21016
BSL-4 23017 21017
BSL-5 23033 21033
BSL-6 23034 21034
BSL-7 23054 21054