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Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933

    Buy cheap Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933 from wholesalers
     
    Buy cheap Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933 from wholesalers
    • Buy cheap Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933 from wholesalers
    • Buy cheap Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933 from wholesalers
    • Buy cheap Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933 from wholesalers
    • Buy cheap Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933 from wholesalers

    Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933

    Ask Lasest Price
    Brand Name : QBH
    Model Number : DIN7991
    Certification : ISO9001
    Price : Negotiation
    Payment Terms : L/C, T/T
    Supply Ability : 200TON/MONTH
    Delivery Time : 30days
    • Product Details
    • Company Profile

    Black Hexagon Socket Countersunk Head Cap Screws DIN 7991 ISO 10642 UNI 5933

    DIN 7991 ISO 10642 UNI 5933 Hexagon Socket Countersunk Head Cap Screws Class 10.9 Black

    Made from alloy steel, these screws are nearly twice as strong as stainless steel flat head screws. They're angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.

    Black-oxide alloy steel screws have mild corrosion resistance in dry environments.

    Zinc-plated alloy steel screws resist corrosion in wet environments. Screws with a blue-dyed finish have a distinctive blue color that makes them easy to identify.


    DIN 7991 Flat Black Zinc M3 To M24 Countersunk Head Screws


    Flat head countersunk socket cap screws DIN 7991 are not intended for high strength application. The purpose of producing them with a strength of the property class 10.9 is to increase the wear resistance of the sockets.



    Current norm: DIN EN ISO 10462
    Equivalent norms: ISO 10642; UNI 5933;


    Screw Thread
    d
    M3M4M5M6M8M10M12(M14)M16(M18)M20(M22)M24
    PPitch
    αtol.(+2)
    bL≤125mm
    125<L ≤ 200
    L>200
    dkmax=nominal size
    min
    dsmax=nominal size
    min
    emin
    kmax
    sNominal Size
    min
    max
    tmax=nominal size
    min
    0.50.70.811.251.51.75222.52.52.53
    90°90°90°90°90°90°90°90°90°90°90°60°60°
    12141618222630343842465054
    ///24283236404448525660
    /////4549535761656973
    681012162024273033363639
    5.77.649.6411.5715.5719.4823.4826.4829.4832.3835.3835.3838.38
    345681012141618202224
    2.863.824.825.827.789.7811.7313.7315.7317.7319.6721.6723.67
    2.32.873.444.585.726.869.1511.4311.4313.7213.721616
    1.72.32.83.34.45.56.577.588.513.114
    22.534568101012121414
    2.022.523.024.025.026.028.02510.02510.02512.03212.03214.03214.032
    2.12.63.14.125.146.148.17510.17510.17512.21212.21214.21214.212
    1.21.82.32.53.54.44.64.85.35.55.98.810.3
    0.951.552.052.253.24.14.34.555.25.68.449.87


    PACKING


    QBH BULK


    20-25KG/CTN,36CTNS/PALLET

    20-30KG/BAGS,36BAGS/PALLET

    ONE TON/BOXES

    50KG/ IRON DRUM,12 IRON DRUMS/PALLET


    QBH SMALL PACKING


    Packing in small boxes according to customer’s requirements

    Packing in plastic bag according to customer’s requirements


    QBH PALLET TYPE


    SOLID WOOD FUMIGATION PALLET

    EURO Pallet

    THREE SPLINT PALLET

    WOODEN BOX


    The advantages of QBH


    • QBH brand sales to the main quality assurance.
    • Years of export trade management, excellent service, word-of-mouth guarantee.
    • By working with TUV,escort for quality.
    • Customization of non-standard parts can be made according to customer's requirements and drawings.
    • For quality customers,we can provide a certain credit period.

    FAQ


    1. How do you let me trust you.
    Jiaxing City Qunbang Hardware Co.,ltd hs its own right of import and export,QBH trademark in China,United States,European Union have been registered.At the same time,you can also check the registration information of our company in the China industry and Commerce system.
    2. How about your price.
    We will be based on different markets,for different quality and quantity,tailor-made prices for customers,in order to achieve win-win goal.
    3. How do you control your quality.
    Incoming quality contral( IQC)→Process Quality control(PQC)→Output quality control(OQC),and the random samples is sent to TUV for testing.If the customer received the goods and found quality problems,QBH company promises to be responsible for returning money or replenishing the goods
    4. Could you provide free samples?
    For new customer, We can provide free samples for standard fastener, But the clients will pay the express
    charges. For old customer, We will send you free samples and pay express charges by ourself.
    5. Do you accept small order?
    QBH company can accept small orders if we have them in stock.Generally speaking,the stock probability of stainless steel fasteners is higher than that of carbon steel fasteners.
    6. How about your delivery time
    What we pursure is the high efficiency movement pattern,the stainless steel fastener delivery time about 15days,the carbon steel fastener will it about 30days
    7. What is your packing.
    Usually 25KG/carbon,36CTNS on the pallets,or 20-30kg/Bags,then on the pallet,QBH company personalized packagingis also available,like 10PCS/plastic bag or 10pcs/box,it can print some information
    such as LOGO and pattern of customers.
    8. What is your payment term
    Normally,our terms of payment are TT and L/C,if we cooperate for a long time,we can reach the point of mutual trust,and fully support our customers to become bigger and stronger in the local market.
    Not only in the price concessions,but also in the payment can also be made on credit,Specific credit sales time needs to be negotiated separately

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