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DIN 7504 Cross recessed contersunk self-drilling tapping screws 1
DIN 7504 Cross recessed contersunk self-drilling tapping screws 2
DIN 7504 Cross recessed contersunk self-drilling tapping screws 1
DIN 7504 Cross recessed contersunk self-drilling tapping screws 2

DIN 7504 Cross recessed contersunk self-drilling tapping screws

Size: M1-M8

Head types: pan, round, Cross, hex,torx,etc.

Manufacturing standard: ISO, GB, JIS, DIN, BS and ANSI standards, or drawings provided by customers.

Materials: iron, carbon steel, alloy steel, copper, stainless steel, plastics, high-temperature alloy, copper alloy, nickel-base alloy, high-strength alloy, corrosion-resistant alloy, etc.

Process: cold heading, punching, turning, milling, wire cutting, laser cutting, grinding,Insulation,Welding,Riveting,etc.

Treatment/Finishing: Brushing、Anodizing、Zinc Plated、Nickel Plated、Sn Plated

Requirements: No Burrs、Scratches、Dents、Pits

Application: Electrical Appliances、Communication Devices、Medical Devices、Auto Parts


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    Feature

    (1) Heat treated. 

    Carbon steel self-tapping screws must be carburized, and stainless steel self-tapping screws must 

    be solid solution hardened. In order to achieve the mechanical properties and performance 

    properties  required for the self-tapping screws.

    (2)Surface treatment.

    The surface of the product needs surface protection treatment, generally electroplating treatment. 

    Some products have to be phosphate treated (phosphating), such as wallboard self-tapping screws 

    are mostly phosphating.

    (3) Cold heading process. 

    It is recommended to use a high speed cold heading machine and a high  speed thread rolling 

    machine or a high speed planetary thread rolling machine. The emphasis on high speed is to ensure 

    product quality. Only the head of the self-tapping screw produced by the high-speed machine is 

    formed, and the thread quality is high.


    Materialcarbon steel, alloy steel, copper, stainless steel,etc.
    SizeM1-M8.Customized according to your drawing.
    ServicesOEM, design, customized
    Tolerance+/-0.01mm to +/-0.002mm
    Surface treatmentPassivation
    *Polishing
    *Anodizing
    *Sand blasting
    *Electroplating(color, blue, white, black zinc, Ni, Cr, tin, copper, silver)
    *Black oxide coating
    *Heat-disposing
    *Hot-dip galvanizing
    *Rust preventive oil
    CertificateISO9001:2008,ISO14001:2004,ROHS
    MOQLow MOQ
    Delivery timeWithin 10-20 workdays after deposit or payment received
    ApplicationAuto Parts 、Electrical Appliances、Communication Devices、Medical Devices
    Quality controlISO standard,100% Whole range inspection through the production
    After-sales ServiceWe will follow up every customer and solve all your problems satisfied after sales
    Shipping PortShenzhen
    PaymentTT;30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment.

    Advantage

    1) Offering video and photos with details freely during production.

    2) Producing according to the accuracy of drawings, assembly measurement to detect function and 

    strict quality control to ensure 0 return rate

    3)99% orders can be ensured delivery time

    4) The materials we use are optimal

    5) 24 hours online service

    6) The competitive factory price with the same quality and service

    7) The most suitable packing method to different products.


    DIN 7504 Cross recessed contersunk self-drilling tapping screws 3


    Contact Us
    We served more than 100,000 customers and exported more than 100+ countries in the world.
    We have 100+ workers and 10+ R&D and quality employees.
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    CHE offer OEM & ODM & Customized services to customer, which included cold heading, CNC processing center, wire cutting, powder metallurgy processing and assembly of metal parts with plastic parts.We have industry leading quality inspection equipment such as 3D scanner, Ultrasonic Flaw Detector etc  

    Contact with us
    Tel: +86-186 0769 4667

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