Asa HSS Form B
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Description
Code 135 ASA 60�/120� Form B Bell type Centre Drill. HSS (M2). Tolerance : D = h7, d = k12, K = k12, Drill point 118� � 2�, a (60�) = -30', a (120�) = -4�.
Code 135 ASA 60�/120� Form B Bell type Centre Drill. HSS (M2). Tolerance : D = h7, d = k12, K = k12, Drill point 118� � 2�, a (60�) = -30', a (120�) = -4�.
