High Quality Hole Core Drill

DIY Hole Core Drill This hole core drill is designed for household usage, it is can be widely used in drilling granite, marble, concrete, and other masonry etc. You can use the hole core drill  anywhere you like in your house, like kitchen, bedroom, bathroom and living room. The laser welded core drill is high efficiency , long life and no breaking of segment, high quality with deep hole drilling accuracy, fast drilling, safe and long lasting, Suitable for grinder.  The DIY hole core drill can drill smoothly under dry condition. DIY Diamond Hole Saw Bit Packaging and shipping 1pcs in a individual inner box , then 5pcs or 10pcs in a outer carton .  (also can be packed according to your request .)   For sample order, customer can choose fast express like DHL, UPS, FedEx, TNT and EMS. Door to Door service. For the bulk order or the weight over to 45kg, we can choose by Sea or by Air, port to port service.   Delivery time   Sample delivery: If we have stock, the delivery time is within one week after we got your sample payment. If we don't have stock, the delivery time will depends on the sample production.   Notmally, for batch order, delivery time is usually 3-4 weeks after order confirmation and payment.  Specification  for reference: (others also availiable as per required) Item No. Diameter Segment Height Arbor Total Length CHCD168010 16mm 10  5/8" -11 / M14 80mm CHCD208010 20mm 10 &nb