diamond core drill bit set

Specifications diamond core drill bit set

1.Diameter:6-200mm.

2.Thread:M3/8",M5/8",M14 or G1/2".

3.Depth of drilling:40mm.

      Product Description 1.   diamond core drill bit set :   2. Products Descriptions : 1) This bit is mainly used to drill granite, marble and wall. 2) With years of research and application of drilling bit and world-advanced technology of diamond brazing, this tooth-type drilling bit adopts the patent technology of "ZL200420054288.2" with free cutting, high efficiency, excellent performance and long working life. 3) Our Quality has been approved by European & American market for many years. 4) We can offer our clients good after-sale service and professional technical assistance.   3.Packaging: Each diamond core drill bit set is packed in an inner cardboard case, some inner cases in an export standard cartons, then reinforced with straps.   4.Delivery: Usually we can make shipment within 7-15 days after receiving your payment or L/C.   5.Payment: 1.T/T: in advance or 30% payment in advance and the rest 70% before shipping. 2. L/C: irrevocable L/C at sight. 3. Western Union,MoneyGram: 30% payment in advance and the rest 70% before shipping. 4.Paypal: 30% payment in advance and the rest 70% before shipping,and customer pay 5% bank fees.