Allied Machine & Engineering offers the BT-A drill. The tool features T-A replaceable-tip technology suited for BTA deep hole drilling applications. The design uses the company’s T-A drilling system inserts, including GEN2 T-A, to maximize penetration rates and tool life. The product can be used with standard BTA, single-tube designs to flush the spent coolant and chips through the tool. The T-A drill insert is replaceable, which eliminates regrind, the company says. Also, balanced cutting enables increased feed rates.
A set of donated boring bars that can be used in a 1954 boring head will enable volunteer machinists to recreate a pair of binoculars for the USS Pampanito.
Milling a deep pocket with a tight corner radius comes with unique challenges, but using both a flat bottom drill and a necked-down finishing tool can help.
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