Product Name: Preda Tungsten Carbide 5xd and 8xd Twist Drills with Internal Coolant Hole Model NO.: 1-20 mm Usage: metal Drilling, metal Machining Material: Tungsten Carbide Type: Core Drill Bit Length: Coolant Customized: Customized Product Name: Preda Carbide Coolant Drill Bits CNC Power Supply Model No: Coolant Drills Brand: Preda CNC: Carbide Precision: High Precision Machine Type: CNC Machine Suitable for: Wood, Plastic, Aluminum Flutes: 2 Flutes OEM: Accept Trademark: PREDA Transport Package: Plastic Box Specification: ISO9001-2000 Origin: Changzhou-Jiangsu HS Code: 8207709 Product Description Product DescriptionProducts Description1 Preda Tungsten Carbide 5XD AND 8XD deep hole twist drills2 Work piece for deep hole drilling of steel , cast iron and stainless steel .3 Tolerance h7 . Drilling point 140 degree4 TIALN Coating with Internal hole5 Straight shankCoating Classifying and AdvantageItemCoating TypeAlTinTialnTiSinNacoCharacteristicHardness(HV)32002800360042(GPA)Thickness(UM)2.5-32.5-333Oxidation Temp.(ºC)90080010001200Friction Coefficient0.30.30.450.4ColorBlackVioletCopperBlueProducts specificationDrilling point for 90 degree and 118degree3xd and 5xdDIN standardPreda Carbide Coolant Drill Bits CNC power supply1, Chemical Composition: 10%Co-Wc2, Raw Material: Super Micro grain with Diameter less than 0.2UM3, International Industrial Standard: WF25 TAIWAN AND K44 GERMANY4, Application areas: Machining of cast iron, nonferrous alloy, chill cast iron, hard steel, stainless steel, plastic materials, fiberglass, carbon fiber and other non-metallic.5, Served industries: Aerospace, Transportation, Medical Equipment, Military Manufacturing, Mold Development, etc.Specifications:Order No.Flute dia dFlute length ( l )Shank dia (D)Total length(L)3.0×16×3D×48L3.0163483.5×20×4D×52L3.5204524.0×22×4D×54L4.0224544.5×24×6D×68L4.5246685.0×26×6D×70L5.0266705.5×28×6D×72L5.5286726.0×28×6D×72L6.0286726.5×31×8D×75L6.5318757.0×34×8D×78L7.0348787.5×34×8D×78L7.5348788.0×37×8D×81L8.0378818.5×37×10D×87L8.53710879.0×40×10D×90L9.04010909.5×40×10D×90L9.540109010.0×43×10D×93L10.043109311.0×47×12D×104L11.0471210412.0×51×12D×108L12.0511210813.0×51×14D×110L13.0511411015.0×76×16D×136L15.0761613617.0×84×18D×150L17.0841815020.0×94×20D×160L20.09420160Preda Carbide Coolant Drill Bits CNC power supplyFAQ:1. Are you manufacturer? Do you have factory?---We are Professional manufacturer ,we have more than 15 years experience in this field.2. Does free shipping is possible?----We don't offer free shipping service, but we will give you some discount if you buy large quantity products.3. Can you send products to our Forwarder in China?----Yes, if you have forwarder in China, i will glad to send products to him/her.4. Do you make OEM?----Yes, we do. We have laser machine, can laser your logo and sizes on the body of milling cutter, also can print labels.5. How about the delivery time?----According to the sizes and quantity, delivery time is different. Usually be 5~10 days. We can tell you exact inventory state if you need.6. Can you produce carbide Special Tool ?--- Yes We can. From 2013 year. Our factory main market is from standard end mills to special tools. Special tool according your drawing and sample