ADJUSTABLE COUNTERSINKS

(AC-SERIES)

[SEV*CAL]AC COUNTERSINKARE DESIGNED AS AN ECONOMICAL MEANS OF COMBINING DRILLING AND COUNTERSINKING INTO A CONTINUOUS OPERATION. THEY CAN BE POSITIONED AT ANY POINT ALONG THE FLUTED SECTIONOF A DRILL AND WORK BEST IF ADJUSTED TO START COUNTERSINKING WHEN THE DRILLING HAS BEEN COMPLETED. THE CUTTING TEETH EXTEND DOWN INTO THE DRILL FLUTES, AND ARE ARRANGED TO GIVE A SHEARING CUT.


TOOL NO. BODY DIA. FOR DRILL SIZE C/L ANGLE
6-AC-2
3/8
1/8
41° OR 45°
8-AC-3
1/2
3/16
41° OR 45°
8-AC-7/32
1/2
7/32
41° OR 45°
10-AC-7/32
5/8
7/32
41° OR 45°
10-AC-4
5/8
1/4
41° OR 45°
10-AC-9/32
5/8
9/32
41° OR 45°
10-AC-5
5/8
5/16
41° OR 45°
14/AC-6
7/8
3/8
41° OR 45°
18-AC-8
1-1/8
1/2
41° OR 45°
    [SEV*CAL]