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What kind of self tapping screw can attack aluminum profile?
- Self tapping screws are used for connecting between thin metal plates. When connecting to the connecting piece for the threaded hole, then tapping screws into the threaded hole of the connecting piece. Because of the self tapping screw thread surface has higher hardness (more than 45HRC), the attack a thread in the threaded hole of the connecting piece, thereby forming a connection.Aluminum material than steel soft, generally in accordance with GB screws can be of aluminum, is recommended to hit bottom hole in the needed position.The following is the national standard for self tapping screws:GB/T15856.1-2002 cross recessed countersunk head tapping screws, material: 20Mn 15MnBGB/T15856.2-2002 cross recessed countersunk head drilling self tapping screw, material: 20Mn 15MnBGB/T15856.3-2002 cross recessed semi countersunk head drilling self tapping screw, material: 20Mn 15MnBs
What is the price of aluminum paint spray?
- Powder mainly by tonnage count, usually 2-3 yuan / tonSpray painted mainly by area, usually 20-50 yuan / squareSpray paint depends on whether you want polyester or fluorocarbon, fluorocarbon expensive.s
How can I distinguish aluminum from aluminium oxide or electrophoresis aluminum or spray aluminium material?
- The electrophoretic material looks very textured, very uniform, and full range. Spray paint will not spray in some places, and the color is not as good as electrophoresis.s
How about the price of aluminum profile?
- Usually calculated by weight, or by weight according to the length of each metre.s
How to distinguish aluminum alloy series?
- The general term for aluminum profiles is the ratio of length and width. For example, 4040 is so long, 40mm width is 40mm, and so on.. ,s
Regarding the wall thickness of aluminum alloy profiles, are there any standards in the country?
- For the main force components of aluminum alloy curtain wall, such as column, transverse material and so on. Such as closed hollow profiles, the wall thickness of not less than 3mm, if the solid section (or known as non closed profiles), the wall thickness of not less than 2.5mm. The state has standards for curtain walls.s
3030 aluminum profiles, can be used in outdoor snow exposure environment?
- European standard 3030 series has a variety of specifications, such as Jing Teng aluminum European standard 3030R, referring to the European standard 3030 fan, 3030G refers to the 3030 GB profiles.s
China aluminum manufacturer which is 4500 tons and above the extrusion machine?
- Our company has several 1100 ton extruders, but I feel all rights
The Application of Aluminium Panel
- Aluminium veneer is the application of an external coating or other treatment to the aluminium product to improve its resistance to certain conditions, such as weather or to enhanc...
What the Hheck is: Polyester Cloth
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Main Chatacters of Aluminum Foil Pans
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