5. Key Chuck: 1 the machine has a chuck tightened using the key of course is much safer when holding the chặc by hand. Chuck capacity 1/2 inch, not yet the bits and various accessories. If the air compartment have a taper-mounted chuck and a self-ejecting key as fabulous as they will guarantee you exact cavity without any accidents about chuck.6. Depth-Gauge Adjustment: This allows you multiple cavity hole with deep pitted against the same.
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