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cycling nz,Single-edged gun drill (hereinafter referred to as gun drill) is used to process deep holes with a diameter of Φ1~40mm and a length-to-diameter ratio of 100~250 times. It is currently the only method for processing small diameter deep holes with a diameter of Φ1~6mm. The accuracy of machining holes can be stabilized at IT 8~10, and individual ones can reach IT6~7; the surface roughness can be stabilized at Ra12.5~3.2μm (▽3~▽5), and individual ones can reach Ra0.8~ 0.4μm (▽7~▽8), the straightness of the hole can reach 0.05mm/m. Gun drills have a wide range of applications. In addition to processing ordinary steel materials and castings, they can also process soft metals, alloy steels, stainless steels, and heat-resistant steels.


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

    football competitions in germany,2.Manufacture’s price: We are manufactures,all price are factory price, competitive price

    3.Promptly reply: Your inquiry related to our tools, we will reply you within in 24  hours.,fanduel golf optimizer

    free slot games with bonus rounds,4. OEM & ODM accepted: We could produce tools as per your drawing.

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

     The size :


    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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    tennis tv live,Company Information

     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,gambling betting

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

    2-way handicap,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.

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

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    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. ,dream teer

    Q4: What is the delivery time of your products?  ,dafabet exchange

    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.,ac horsens

    Q5: Can you manufacture carbide Special-shaped products?,free slot games with bonus rounds

    A5: Yes, we can. We can produce both standard end mills and special tools. We can make them according to your drawings and samples.,beyway

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    criket online,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.

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