الاجهزه الالكترونيات الامريكية قد تحتاج الى محمول فولت من ١١٠ الى ٢٢٠.قد تحتاج إلى محول كهرباء
وصف
The drill bit is manufactured from high speed steel for the best combination of strength, heat resistance and wear resistance; 135 degree split point reduces feed pressure and allows easier penetration without work hardening. Can be used with screw extractors. Cased.