Trap 1: Free Design Please Join
Experts answered: Wool is on the sheep. This is inevitable because designers must pay for their work. It's just different ways for everyone to use. Some of them are "little gentlemen after the villain," telling you directly that I need to receive a design fee because it is a link to intellectual property, and the other is to promise free, but from the decoration The loss is compensated during the construction process.
Free design is not conducive to the development of the industry. Tooling charges This is a code of conduct. There is no doubt that the procedure is very strict. It includes a series of construction drawings, design drawings, quotation lists, and so on. Home decoration is a self-funded decoration market, joint venture, collective, individual, etc. The trap is also everywhere.
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The national standards for T-bolts are as follows:
GB / T 2165-1991 machine tool fixture parts and components T-groove quick release Bolt (obsolete) was adjusted to JB / T 8007.2-1995, and then replaced by JB / T 8007.2-1999 | machine tool fixture parts and components T-groove quick release bolt
Bolts for T-groove (GB / T 37-1988)
There is also mechanical standard: JB / T 1709-1991 T-bolt (obsolete), replaced by JB / T 1700-2008 valve parts nut, bolt and plug
At present, din186 T-type square neck bolts, GB 37, din188t type double neck bolts are commonly used. The materials are carbon steel, stainless steel, alloy steel, etc. the specifications range from m8-m64. Musheng, a domestic high-quality hardware manufacturer with good quality control, has formed a mature process.
T Bolt,Hammerhead T Bolts,Harden T Slot Bolt,Hex Head Flange Bolt
Suzhou Gubao Screws Co.,Ltd. , https://www.gbscrewes.com