Stainless Steel Drop In Anchors

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FAQ

Our company to purchase a number of fasteners to see when the CAD drawings in the technical requirements I do not know the specific to write those content
1, the product used by the material (the available material is too much to see what your company to ask) 2, the accuracy of the thread (bolt type of external thread is generally 6g, nut class internal thread is generally 6h) 3, surface treatment Stainless steel materials generally do not do treatment, carbon steel, color, galvanized, Dacromet, nickel, chrome, etc.) 4, product tolerances before the surface treatment or surface treatment of the above is the standard parts of the standard, But also depends on the actual use, we must deal with the landlord.
What is the fastener and others?
Definition: Components used to join and fasten components.
A194 GR3 is what style fasteners
A194 American standard I know is the US system, but now do not understand is GR3 in the end is what it means
High-strength screw standard parts of the quality of what data
High strength bolts are used for connecting bridges, rails, high pressure and ultrahigh pressure equipment.
what parts do Fasteners include
nut: with a threaded hole, the shape was generally flat hexagonal cylindrical, there are flat square or flat cylindrical
Will the stainless steel fastening standard parts of the national standard code and name?
Fasteners with the material does not matter the standard, and now the most commonly used national standards and names corresponding to the following GB5783, full-tooth hexagonal screws GB70, hexagonal hexagon head screw GB818, pan head cross slot screw GB819, countersunk head cross slot screw GB845, pan head cross slot self-tapping nail GB846, countersunk head trough self-tapping nail GB6170, ordinary hexagonal nut GB889, nylon lock nut GB96, flat pad GB93, spring pad GB869, countersunk head rivets
Is it hard to heat the fasteners?
Heat treatment mainly refers to the dipped fire. Dip the fire is not dipped into the water, is the oil. So the quality of oil, dipped in the temperature of the fire, dipped in the fire time are demanding Moreover, some special requirements need to double the fire, the difficulty is indeed great. In addition, heat treatment often take into account the requirements of the next step surface treatment, so have to consider
What fasteners are manufacturers in China?
(3) Ningbo Jinding Fasteners Co., Ltd. (4) Jin billion Industrial Co., Ltd. (5) Zhejiang Zhapu Industrial Co., Ltd. (3) Changshu Standard Parts Factory; (2) Shanghai Standard Five High Strength Fasteners Co.