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M7 M8 M9 Hexagon Socket Screw Plug

M7 M8 M9 Hexagon Socket Screw Plug

  • High Light

    M9 hexagon socket screw plug


    DIN 912 hexagon socket screw plug


    M7 hex head screw plug

  • Item Name
    Hexagon Socket Screw Plug Steel A4 304 316l Din 912 M7 M8 M9 Inner Hex Plug
  • Standard
    DIN Or Custom
  • Head Style
    Pan, Truss, Flat, Oval, Round, HEX, Cheese
  • Colour
  • Material
    Steel Or Custom-made
  • Logo
  • Payment
  • Advantage
    1. Competitive Price; 2. OEM Service Available
  • Type
    Hex Socket Pipe Plug
  • Place of Origin
  • Minimum Order Quantity
    According to the request of the guest
  • Price
  • Packaging Details
    carton packing
  • Delivery Time
  • Payment Terms
  • Supply Ability
    100,000pcs per month

M7 M8 M9 Hexagon Socket Screw Plug

Hexagon Socket Screw Plug Steel A4 304 316l Din 912 M7 M8 M9 Inner Hex plug




Packaging Details Polybag and Standard carton. Or pack as the customer's requirement.

Port :Shanghai Ningbo as customer's require


Place Of Origin Zhejiang,china
Brand CTU
Size Standard Parts
Color Black/galvanized
Product Features High Strength
Material SCM435/ML40CR
Craft Smanship
Sample Free
Oem Accept
Application Electronic Products / Transmission Parts / Machinery


Description: Hexagon Socket Screw Plug
Material: Stainless Steel, Carbon Steel
Finish: Self Color, Zinc Plated, Black
Size: M6-M60, 1/8"-2"
Seal: Captive, O-Ring


information below is Expanding knowledge on socket screw plug and screw fasteners:

How To Describe The Diameter And Length Of The Socket Head Screw?


The standard type of hexagon socket screw diameter is called the letter "m" + number. The number represents the thread diameter (mm). For example, a screw with a diameter of 5 mm should be called M5, a screw with a diameter of 6 mm should be called an M6, and so on.


Attentions on how to use screws:


Although under normal conditions, the screw will not be damaged naturally, but once there is a problem, it may cause serious consequences such as parts loosening. Correct use habits and daily checks are important:


1. Pay attention to the tightening force of screws


Right people think that the tighter the screw, the better. In fact, screws have their torsion range. If it is lower than this range, it may cause looseness. If it is higher than the range, parts or screws may be damaged. The best way is for technicians to operate in a professional garage with a torque wrench. If there is no such condition, we must pay attention to it. Do not continue to tighten the screw, otherwise it will cause screw thread sliding teeth, resulting in the scrapping of the whole part, or screw the hexagon groove of the screw round, which is not easy to loose.


2. Lock the same plane. If there are more than two screws, one by one is required


Take the stands. Most of the front cover of the bracket is locked by 2-4 screws. When locking four or more screws on the same plane, they should be tightened diagonally one by one. We can't tighten one screw directly at a time. We should tighten them one by one several times. When there are 2-3 screws in the same plane, they must also be locked evenly.


3. Replace damaged and seriously rusted screws and tools in time


Some socket head screws will gradually become round after being loosened / tightened several times or locked excessively. Please replace it in time, otherwise it will be difficult to disassemble or the hexagonal groove will be completely rounded when it is locked. The hexagon wrench can also be used for many times, and it will cause great damage to the screw if it is not replaced in time.


Excessive rust on the strength of the screw will be affected, and it needs to be replaced. If it breaks during use, it may cause danger.








*Full series of engine oil drain plug is available; both standard & non-standard.
*We have 13 year’s screw plug OEM experience.
*We manufacture more than 200 items of customized screw plugs for more than 100 customers.
*Pls not hesitate to send your drawing, if custom made engine drain plug is needed. Good quality, good price and fast delivery will be ensured!
*We have many various different engine drain plug. Standard style & customized are both available. Pls contact me for details, if any engine drain plug is required.



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