DONGYAN INTERNATIONAL CO., LTD.  

Product Name: Good Quality Diamond Core Drill Bit Model NO.: DY-03 Usage: Masonry Drilling, Cpncrete Material: Diamond Type: Core Drill Bit Length: 82/145/200/380/450 Certification: ISO2000:9001 Customized: Customized Advantage: Fast Cutting Speed Color: as Your Requirements Sample Cost: Free Sample Production Time: 5-7days Bulk Order Time: 20-25days Payment Term: 30% Advance, 70% Balance Industry Experience: 8years Trademark: DY-Tools Transport Package: Blister Package, White Box Specification: 25-350mm Origin: Jiangsu Province, China HS Code: 8207191000 Product Description Real Factory == √ Strictly Quality Control == √ Good Price == √ High qualityOur company specialized in producinghigh frequency and laser weld diamond core drill bits nearly 10 years, which are mainly used for wet cutting reinforced concrete, concrete, masonry walls. Laser welding not only gives the bit the ability to cut through reinforced concrete, but it also prevents segment loss.Crown segments are used on bits less than 2" diameter. Bits 2" diameter and above are segmented and laser welded. Features: Fast cutting, long lifeThread: 1 1/4-7 UNC female thread, 1/2'' BSPWelded: Laser welding ,High frequency weldingType: Wet DrillingSegment type: flat segments, roof segments, turbo segmentsOther length and thread can be produced as required.Product picture:Technical details:ODSegment NumberSegment DimensionTube ThicknessValid LengthConnection25312*3.5*92.0mm450mmUNC 1/4"-732416*3.5*92.0mm450mmUNC 1/4"-736416*3.5*92.0mm450mmUNC 1/4"-742424*3.5*102.0mm450mmUNC 1/4"-747524*3.5*102.0mm450mmUNC 1/4"-752524*3.5*102.0mm450mmUNC 1/4"-757524*3.5*102.0mm450mmUNC 1/4"-762624*3.5*102.0mm450mmUNC 1/4"-767624*3.5*102.0mm450mmUNC 1/4"-772724*3.5*102.0mm450mmUNC 1/4"-777724*3.5*102.0mm450mmUNC 1/4"-782824*3.5*102.0mm450mmUNC 1/4"-792824*3.5*102.0mm450mmUNC 1/4"-7102924*3.5*102.0mm450mmUNC 1/4"-7107924*3.5*102.0mm450mmUNC 1/4"-71121024*3.5*102.0mm450mmUNC 1/4"-71171024*3.5*102.0mm450mmUNC 1/4"-71221024*3.5*102.0mm450mmUNC 1/4"-71271024*3.5*102.0mm450mmUNC 1/4"-71321124*3.5*102.0mm450mmUNC 1/4"-71421124*3.5*102.0mm450mmUNC 1/4"-71521224*4.0*102.0mm450mmUNC 1/4"-71621224*4.0*102.0mm450mmUNC 1/4"-71721324*4.0*102.0mm450mmUNC 1/4"-71821324*4.0*102.0mm450mmUNC 1/4"-72001524*4.0*102.0mm450mmUNC 1/4"-72251624*4.0*102.5mm450mmUNC 1/4"-72501724*4.0*103.0mm450mmUNC 1/4"-73002124*4.5*103.0mm450mmUNC 1/4"-73502324*4.0*103.0mm450mmUNC 1/4"-7Shipping :Our Factory:Our factory was established 1980s, and has along history of more than 20 years. We are now ahigh technology with the capability of production, sales, and research of new technology.Our factory was supported with apowerful technology team, advanced production line, and inspection equipment. We strictly conform to ISO9001-2000 quality control system. Inspection between processes follows the EN standard.We are supply the diamond saw blade, diamond core drill bit, diamond grinding wheel and so on. Our products have exported to Europe, America,Asia and enjoyed good reputation.Hope fully to be your trustworthy supplier in China.Our Service 4F:1. Free sample cost.2. Free eplacement of damaged goods.3. Free design of new packaging for customers.4. Free testing of product quality for customers