Leather sewing machine

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  • 6. Drill Weight The weight of the drill affects how easy it is to maneuver. Lighter drills are more portable, while heavier drills provide more stability and power.
  • The importance of using a marble drill bit lies in its ability to prevent chipping and cracking, which can significantly degrade the marble's appearance and structural integrity. The unique geometry of these bits, often with a conical or cylindrical shape, allows them to gradually penetrate the stone without exerting excessive pressure on any one point. This gradual process reduces the risk of stress fractures and ensures a clean hole.