Threaded rod high quality of A193 B7 High Quality

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Product Description:


A193 B7 threaded rod: 
1.Grade: ASTM A193 B7 
2.Size: M6-M100,1/4-5" 
3.Length: 0.05-6 METERS 
4.Finish:ZY ZP HDG

  A193 B7 threaded rod

Product Description



ASTM A193 B7 Full thread bolts  thread studs  


1.Stud bolt:DIN975, ASTM A193 B7

     Hex nuts:A194.2H


2.Standard:  ANSI/ASTM 


3.Diameter:M6-M100, 1/4"-5"


4.Delivery time:25-30 days


5.Finish treatment: Zinc blue,white,yellow,black,Black Oxide,Darcoment 


6.After sale service:We will follow up goods for every customer and help slove problem after sales



If you are interested in our products,please contact us what you needed or your requirement.We are looking forward to your trial orders !Thank you!







1. Q: Could you send me your catalogue and price list?

A:  Please inform us the style you interested, we can offer the pricelist for your reference.

2. Q: How about the quality of your product?

A: 100% inspection during production

3. Q: What material of the product can you supply?

A: 42CrMo

4. Q: What's the delivery time?

A: For products in stock, we can ship it within 7 days. For custom order, production time is 20-35 days after confirmed every details.

5. Q: What's your packing?

A: Our Normal packing is bulking in Cartons, 25kgs/carton, 36cartons/ pallet. We also can pack products according to your requirement.if more than 1meter, we pack it  about 1 ton per pallet.

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Q:Are there categories of fasteners classified by material?
Low carbon steel Q235, low carbon alloy steel Q345, 10B21 medium carbon steel 35K 45K, high carbon alloy steel 40CR 435crmo, stainless steel 303 304 316. Stainless steel 201. etc., the number of materials, but generally determine the amount of carbon fasteners, etc. To what level. Of course, like 10B21 this low-carbon alloy steel can reach 8.8 level
Q:What are the technical requirements for fasteners?
You mark the standard number and grade on the line, but the general standard is not required to issue a drawing. Quality inspection in accordance with the standard check can be.
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:The difference between fasteners and standard parts
Fasteners and standard parts are the same.
Q:A194 GR3 is what style fasteners
GR3 is GRADE 3 abbreviation, A194 GR3 is carbon steel red or cold beat nut, the minimum tempering temperature of 565 degrees. High pressure and high temperature conditions with the bolt alloy steel nut.
Q:What are some of the common fastener products?
There is also a fastener called "pin" This fastener is generally used to locate the parts, and sometimes can also be connected to the fixed role, in addition to a part can be used to transmit power or lock other fasteners.
Q:Bolts and other connection fasteners some points A B C grade what it means
Bolts and other fasteners connected due to a wide range of applications, the product level requirements are different, so the bolt product grade is divided into A, B, C three grades. One of the most accurate A, C level of the most inaccurate, B between the two. Class A is used for important applications where assembly accuracy is high and subject to greater impact, vibration or variable loads. Class A for d = 1.6-24mm and l ≤ 10d or l ≤ 150mm bolts. B grade for d> 24mm or l> 10d or l ≥ 150mm bolts, thin rod B grade M3-M20 hexagonal flange bolts, anti-loose performance better. Class C is between M5 and M64.
Q:what parts do Fasteners include
nut: with a threaded hole, the shape was generally flat hexagonal cylindrical, there are flat square or flat cylindrical
Q:Fasteners often say that the nature of galvanized oxidation is what it means
True color means that the surface of the fastener is not treated. Galvanized refers to non-zinc easily oxidized metal fastener surface coated with a layer of zinc, the role is to prevent its rust. Oxidation refers to the surface of the metal fastener through a chemical reaction to produce a layer of rust-proof film, the main role is rust, the other can also beautify the appearance.
Q:What are all the fasteners?
Go to the professional fastener website to learn it! Really too much, too hard to classify. I hope I can help you.

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