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karatsev ranking,Gun drills are straight fluted drills which allow cutting fluid to be injected through the drill's hollow body to the cutting face. They are used for deep drilling—a depth-to-diameter ratio of 300:1 or more is possible. Gun barrels are the obvious example; hence the name. Other uses include moldmaking, diemaking, and the manufacture of woodwindmusical instruments, such as uilleann pipes, as gun drills can drill long straight holes in metal, wood, and some plastics. The coolant provides lubrication and cooling to the cutting edges and removes the swarf or chips from the hole. Modern gun drills use carbide tips to prolong life and reduce total cost when compared with metal tips.


  • Diameter range : 1-50mm
  • Lenth range: 1-5000mm
  • Use: metal drilling
  • shank : 25x70
  • Brand: dirllstar
  • sureface quality : high and precision
  • material : carbide with steel
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  • why choose us ?,free online casino card games

    1.Quality control: all our tools are through precision test before shipping.  we have 10 set testing machine. ,genshin impact p2p

    2.Manufacture’s price: We are manufactures,all price are factory price, competitive price,tennis only wa

    3.Promptly reply: Your inquiry related to our tools, we will reply you within in 24  hours.,basket balls

    4. OEM & ODM accepted: We could produce tools as per your drawing.,india play

    5.Protection of your sales area,ideas of design and all your private information.
    6.Gun drill service is best

     The size :

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    Tip diameter(mm) Carbide length(mm) Grinding length(mm) Tolerance(mm)
    3.02 24.23 21 ±1
    4.02 26.25 23 ±1
    5.02 28.64 25 ±1
    6.02 34 30 ±1
    7.02 34 30 ±1
    8.02 38 33 ±1
    9.02 38 33 ±1
    10.02 37.8 34 ±1
    11.02 37.8 34 ±1
    11.52 37.8 32 ±1
    12.02 37.8 33 ±1
    12.52 37.8 33 ±1
    13.02 37.8 32 ±1
    14.02 42.5 36 ±2
    15.02 48.6 38 ±2
    16.02 48.6 38 ±2
    17.02 47.8 36 ±2
    18.02 47.8 34 ±2
    19.02 47.8 34 ±2
    20.02 47.8 33 ±2
    21.02 56.5 44 ±3
    22.02 58.8 45 ±3
    23.02 58.8 45 ±3
    24.02 60 45 ±3
    25.02 61.8 45 ±3
    26.02 62.6 45 ±3
    27.02 62.4 45 ±3
    28.02 63.3 45 ±3
    29.02 64 45 ±3
    30.02 65 45 ±3

     

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    22bet ke,Our feature:

    sbobet online,1. We are Integration of Industry and Trade manufacturing tungsten carbide series product,Widest product range, Best production capability, Best quality control, Best Service, Competitive price;


    2. 100% QC inspection before shipment;,leovegas poker

    3.Feedback within 24 hours and Good English Communication;,cycling uk

    free slots no deposit no wagering,4.Good training export sales can give professional suggestion on product;

    mercury poker,5.Customized making according to your drawing papers;

    6.Accept trial order and small order;,football betting tips in hindi

    7.Accept all payment terms of T/T, L/C, western union, Paypal,Trade Assurance,etc.;,tennis only wa

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    fishing frenzy casino game,9.Survey Email of products usage will be sent timely to listen your feedback,our aim is trying to make every customer satisfied and we both sides WIN-WIN!

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    Company Information,free money slots no deposit required

     Dezhou Drillstar Cutting Tool Co., Ltd is a manufacturer and exporter of deep hole cutting tools including gun drills, gun reamers, BTA, Trepanning, boring tools, honing tools etc, as well as tool accessories. We also distribute cutting oils, cutter grinder, oil spray pump complete kit on the deep hole drilling field. We are engaged in designing products in compliance with international quality standards with best configuration to offer excellent productivity and quality to clients.Started in the year 2010, we have occupied a strong foothold in the domestic market and have also acquired many clients in South East Asia, Europe and others. We are One-Stop solution provider for deep hole cutting tools.In addition to this, we are an importer of Tungsten Carbide Tips & Rods and other raw materials from Europe and USA,betway casino login

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    flash scores football,FAQ:

     Q1: What is the Warranty for the tungsten carbide products ?

    fishing frenzy casino game,A1: We own high precision grading machine to control geometry dimensions and apply ultra fine grain size substrate coated with high performance coatings to guarantee the lifetime of our products, which can satisfy every working condition.If any quality problems on our side occurred in this period , we will take on the shipping cost and replacement.

    tennis youtube,Q2: Do you provide free samples?

    A2: Yes, usually we provide free samples for testing under the condition of freight paid by customer.,free online poker games

    Q3: What is your minimum order requirement?,casino royale dress

    blackjack betting app,A3: We will indicate the MOQ for each item in the quotation sheet. We accept the sample and trial order. If the quantity of single item can’t reach the MOQ, the price should be sample price. 

    Q4: What is the delivery time of your products?  ,casino royale dress

    tennis today,A4: It depends on the inventory availability.If items needed are in stock, the delivery time would be within 8 work days, but if not the delivery time would be around 20 work days.

    Q5: Can you manufacture carbide Special-shaped products?,all bet

    fish games online real money,A5: Yes, we can. We can produce both standard end mills and special tools. We can make them according to your drawings and samples.

    free online casino slot machine games with bonus rounds,Q6: May I have my order working schedule ?

    tennis kamp,A6: Yes, we will send working schedule of your order each week. We will inspect and test all merchandise in case of damaging and missing parts before shipment. The detailed inspection pictures of the order will be sent to you for your confirmation before delivery.

    Your feedback is our best honor, please do not hesitate to give us your valuable feedback and we can let you feel more confident to our company and products.,ipl betting

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