Premium 8% cobalt M-42 High Speed Steel used Exclusively with our own heat treating of RC 66-68 standard. ALL bore sizes come in two lengths. “SHORT” provides maximum rigidly for counter boring and short hole boring. “LONG” with our offset taper, the extra length tool provides more rigidly for deep hole boring.

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• All Hi-Speed tools have ground shanks to fit standard size holders.

• Special sizes as well as metric shanks quoted on request.