Q: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.

Q:In the fastener industry, 1018 refers to what material

1018 is the United States material, you can use domestic steel instead. Processing, do, use, distribution of US bolts and nuts, US bolts and nuts, American standard bolts and nuts, must have the US screw standard. You should buy a set of the latest US fastener standards Daisy "IFI English Fastener Standard Handbook, eighth edition) (published in English) (published in 2011), experts are the winner, have the standard will have the relevant business.

Q:What is the fastener and others?

Definition: Components used to join and fasten components.

Q:Who include who btween them?

Fasteners are said from the point of view of the action, which contains both standard parts (GB ANSI ASME DIN EU JIS, etc.) and non-standard parts (according to the drawings) is not entirely a concept

Q: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

Q:Bolts and other connection fasteners some points A B C grade what it means

The same standard number! Different grades of bolts, their material is not the same! Just their detection method just the same!

Q: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.

Q:Will the stainless steel fastening standard parts of the national standard code and name?

Because the fastener is a standard part, so the size of stainless steel fasteners and ordinary fastener size is the same, other standard GB / T 5267.4-2009 fastener surface treatment corrosion-resistant stainless steel passivation treatment

Q:Is it hard to heat the fasteners?

Fasteners are a kind of standard parts, and their requirements are often higher than other standard parts, but heat treatment is better

Q:The main meaning is that the design to make some specific requirements to achieve consistency.

Easy to install, disassemble; to ensure long-term solid does not fail (life); do not exceed the standard selection, cost savings;