China OEM Precision Components Manufacturer – All series of screw customization – RAISING-Elec

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The bolt performance grade is composed of two parts of numbers, which respectively represent the nominal tensile strength of the bolt and the yield ratio of the material. For example, the meaning of bolts with performance grade of 4.6 is: the number in the first part (4 in 4.6) is 1 / 100 of the nominal tensile strength (n / mm2) of bolt material, that is, Fu ≥ 400N / mm2; The number in the second part (6 in 4.6) is 10 times of the yield ratio of bolt material, that is, FY / Fu = 0.6; Product...


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China OEM Precision Components Manufacturer – All series of screw customization – RAISING-Elec Detail:

The bolt performance grade is composed of two parts of numbers, which respectively represent the nominal tensile strength of the bolt and the yield ratio of the material. For example, the meaning of bolts with performance grade of 4.6 is: the number in the first part (4 in 4.6) is 1 / 100 of the nominal tensile strength (n / mm2) of bolt material, that is, Fu ≥ 400N / mm2; The number in the second part (6 in 4.6) is 10 times of the yield ratio of bolt material, that is, FY / Fu = 0.6; Product of two numbers (4) × 6 = “24″) is 1 / 10 of the nominal yield point (or yield strength) (n / mm2) of bolt material, that is, FY ≥ 240n / mm2.

According to the manufacturing accuracy, ordinary bolts of steel structure can be divided into three levels: A, B and C. A. Grade B is refined bolt, which is generally used for mechanical products, and grade C is rough bolt. Unless otherwise specified, ordinary bolts of steel structure are generally ordinary coarse grade C bolts with performance grade of 4.6 or 4.8.


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General Introduction (1)

● Wire-EDM : 6 Sets

● Brand: Seibu & Sodick

● Capability:  Roughness Ra<0.12  / Tolerance +/-0.001mm


Tooling Shop Extended in 2020  (1)


Tooling Shop Extended in 2020  (1)


Tooling Shop Extended in 2020  (2)

● Profile Grinder: 2 Sets

● Brand: WAIDA

● Capability: Roughness <0.05 / Tolerance +/-0.001


Tooling Shop Extended in 2020 (1)


Tooling Shop Extended in 2020 (2)


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China OEM Precision Components Manufacturer –  All series of screw customization – RAISING-Elec detail pictures

China OEM Precision Components Manufacturer –  All series of screw customization – RAISING-Elec detail pictures

China OEM Precision Components Manufacturer –  All series of screw customization – RAISING-Elec detail pictures


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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for China OEM Precision Components Manufacturer – All series of screw customization – RAISING-Elec , The product will supply to all over the world, such as: Greenland, Seychelles, Provence, Profession, Devoting are always fundamental to our mission. We have always been in line with serving customers, creating value management objectives and adhering to the sincerity, dedication, persistent management idea.
  • We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Brook from Hamburg - 2017.08.21 14:13
    A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Jamie from Melbourne - 2017.09.26 12:12
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