الاجهزه الالكترونيات الامريكية قد تحتاج الى محمول فولت من ١١٠ الى ٢٢٠.قد تحتاج إلى محول كهرباء
مميزات خاصة
Unique ladder configuration, a variety of standard size drill openable aperture, a step drill bit against the box.
Without using a center punch, not easy to break compared with ordinary twist drill.Site construction, a step drill specifications apply.
Deburring, chamfering, expanding open oval hole, twist drill unable to complete the function it is possible.
And compared to ordinary twist drill.Small sway, without leading to use a center punch can carve out a nice aperture.
Tools: pistol drill, bench drill.When the operation of the cooling water side edge, can effectively extend the service life of the drill bit, drilling rate recommended 250--400 rpm.
وصف
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Shipping list: 1 × hex shank step drill 3-13mm