set of 3 HSS6542 M2 Steel Spiral Groove Step Drill Bit Set for Stainless Steel Metal Wood Hole
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<b>[Product Information]</b><br>
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<li>Suit for use in hardness under 28 artifacts,(Such as: Stainless steel , iron plate, aluminum, wood )</li>
<li>You can use water to cooling it when it is work and it can be used for even longer</li>
<li>4mm to 32mm 15 Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)</li>
<li>4mm to 12mm 9 Steps (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm)</li>
<li>4mm to 20mm 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm,18mm,20mm)</li>
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