List of pilot hole diameters for tap inserts screws "insert helisate "
Please refer to the table below for the pilot hole diameter of the insert screw tap.
Cutting taps for insert screws
・A-SFT HL ・EX-HL-SFT ・EX-HL-POT ・HL-HT
Rolling taps for insert screws
・HL-B-NRT
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