11pc m6-m12 composite tip drill bits with die Set for Wood Plastic Soft Metal Steel
Usage :
(1) when tapping, first insert the head cone to make the Central Line of the tap consistent with the Central Line of the drilling hole.
(2) evenly rotate both hands and slightly add pressure to feed the tap.
(3) each roll tap a reverse about 45 ° to cut chip, so as to avoid blocking.
(4) if the tap is difficult to rotate, the rotary force cannot be increased, otherwise the tap will break.
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Specification
Material: ball bearing steel
Specification: metric M6, M7,M8, M10, m12
Color: grey
Type: manual tool
11pcs Set: 1*Wrench +10pcsTap (M6x1.0, M6x0.75, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.5, M12x1.25, M12x1.5, M12x1.75)