الاجهزه الالكترونيات الامريكية قد تحتاج الى محمول فولت من ١١٠ الى ٢٢٠.قد تحتاج إلى محول كهرباء
وصف
Left Hand Mechanics Length Cobalt High Speed Steel Drill Bits 135-degree split point reduces feed pressure for easier penetration without work hardening. Constructed of M-42 8% cobalt high speed steel for super abrasive resistance in tough metals. Heavy-duty spiral flute design produces faster chip ejection. Ideal for use with screw extractors.