HSS Fully Ground Jobber DIN 338 Cobalt Twist Drill Bit for Drilling Stainless Steel Metal

How to choose drill bits?  For wood: these types of drill bits can be used on any wood, whether it is softwood, hardwood, veneer, or plywood.For metal: these drill bits are used to drill any kind of metal. When it comes to drill bits for metal, inserts are only used for machine tools.For masonry: these steel drill bits have a brazed tungsten carbide tip.For tile and glass: these drill bits look like small spears. They are characteristically used with a low drilling speed.   Various Specification  Coating HSS Drill Bits ManufacturingSurface FinishSharpeningWhiteBlackB&WTin CoatedAmberBlack&Gold118°135°S.P.Turto Max118°S.PWeb ThinningRolled Forged √√   √√ √ Rolled Polished√√√√√ √√ √ Fully Ground√√√√√√√√√√ Milled√√√√ √√   √StandardsDIN338,DIN1897,DIN340,DIN1869,DIN345,DIN333Jobber length, ScrewMachine Length, Taper length, Aircraft ExtensionMaterialHSS4241,HSS4341,HSS6542(M2),HSS CO5%(M35),HSS CO8%(M42)ShankStraight shank(Parallel shank), Reduced Shank, hex shank,1/4″Quick change shank,3Flats shank,1/2"shank,3/8"shankHelix AngleType N, Type W, Type HRotatingRight Hand, Left HandFluteNormal, parabolicHSS HardnessHSS NO.HSS GRADEHRC(Rockwell Hardness)4241Mo2Cr4Vsi60-624341Mo3Cr4Vsi62-659341Mo3Cr4V63-666542/M2Mo5Cr4V263-66M35Mo5Cr4V2Co564-67 HSS Co5% PackingMain ProductsCompany Profile      Sino abrasives designs, develops, integrates and manufactures a complete range of cutting, grinding and polishing products for all kinds of customers. Including, Superhard materials- Diamond tools, CBN tools, T.C.T tools, Resin bonds abrasives, Sanding tools, Non-woven tools and so on.Sino Abrasives Limited was born in 2003. It's initially just an abrasives tools factory. After a decade hard work, we had been a integrity manufacture, owned the full automatic abrasives production line, Superhard materials production line and Laser welded line.We are always focus exclusively on the Creative and Service. We sincerely hope can supply the most appropriate service and products to you!Raw material cost advantages:Sino abrasives limited are cooperated with the best partners including international suppliersand domestic suppliers:3M, NCA BUFFALO, CUMI, SINOMACH, ZHONGNAN, ZZSM and so on.Quality supervise systemWe firmly believe that management is the first productive force. Sino abrasives limited had been certificated by ISO 9001 at 2009.Meanwhile, we had built ourselves quality management system- Smart system. Advanced chemical analysis equipment, scientific quality control methods, strict management system had ensured we can do standardized regulation and information records for daily work: it starts from rawmaterials, to production, to the finished product testing and so on.Our CustomersFAQ1. Are you a manufacturer?A: Yes, we have our own factory, and have excellent research team, and strict quality inspection procedures. We will surely don'thave a middleman. Also, welcome you visit our factory.2. What about your quality?A: We have strict quality inspection procedures, and each of our new products has been tested before launching it in the market.3. Can you provide samples?A: Yes, we can provide samples for you, yet the express fee need to be paid by you.4. If you don't have the size I need, can I have a requirement?A: Yes, if the size you need we don't have, we can manufacture it as per your requirement. It will have a minimum order./* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1