ASTM A193 B7 High Strength Black Stud Bolts
Item | ASTM A193 B7 High Strength Black Stud Bolts |
Standard | DIN975 DIN976 ASTM A193 B7 |
Size | Dia: M3-M64Â Â UNC:3/8''-2''Â |
Material | stainless steel304,316, carbon steel35#, 45#, alloy steel,brass... |
Surface treatment | HDG, PTFE coated, black, galvanized, yellow zinc plated, dacromet... |
Packaging Details | bulk packing in cartons, then put on pallets, or as per your requests. |
Customer design | our experienced engineer team can developed the products and manufacture in accordance with samples, drawings or only ideas |
Price terms | FOB, CIF, CFR, EXW, and others. |
Payment terms | T/T, L/C, western union, paypal, etc. |
Delivery method | by sea, by air or by express service |
Certifications | ISO9001 |
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Company information
   Our company has strong production capacity and sells professional standard fasteners. Our product accord with the international quality system, such as ANSI and BS. Our company offers high quality professional fasteners for industrial fields, such as automobile,building, communication, electron, energy, electrical home appliances and furniture, etc. Throughout year's development, we can assure high quality of our products.
    Welcome to consult, negotiate and order all series fastener from businessman in all countries, we will provide all -directions " one- stop purchase completely" service for you.

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Product Equipments

Testing Equipments

 Â
1.You are a manufacturing company or trading company?
---We specialized in manufacturing fasteners and we have 15 years of exporting experience. And our price is reasonable.
Â
2.What quote do you offer?
---FOB , CIF and others ways according to your needs.
Â
3.How pay?
---All kind of Payment we all accept from you.
Â
4.How transport?
---Sea Freight, Air Freight and others Express Delivery ways for you.
Â
5.Can I order a small list ?
---Of course,you can.
Â
6.Can we print our own logo ?
---Yes, we can print logo for you.
Â
7.What is the quality of your products guarantee?
---We have passed ISO9001:2008 Quality Management System Certification, CQM Quality Management System Certification and IQNet Quality Management System Certification, If the quality doesn't  accord the standard, you can exchange the goods for free.
Â
8.Do you have after-sales service?
---Certainly,you can contact us at any time.
Our Services
Sample
Sample Fee: NegotiateÂ
Samples: Available for evaluation before place order.
Sample Time: About 20 Days
How To Order
1. We need to know the size, quantity and others.
2. Discuss all details with you and make the sample if needed.
3. Start the mass production after getting your payment(deposit).
4. Send goods to you.
5. Receive the goods in your side.
Â
 ![]()  |
WUXIÂ Â ZHUOCHENG MECHANICAL COMPONENTS CO.,LTD |
CONTACTS:Â Kethy Tan | |
TEL: 0086-510-82391114Â | |
FAX: 0086-510-82390318 | |
MOB: 0086-15755058970 | |
Website: www.zhuochengwj.com |
 Product Description
ASTM A193 B7 High Strength Black Stud Bolts
Item | ASTM A193 B7 High Strength Black Stud Bolts |
Standard | DIN975 DIN976 ASTM A193 B7 |
Size | Dia: M3-M64Â Â UNC:3/8''-2''Â |
Material | stainless steel304,316, carbon steel35#, 45#, alloy steel,brass... |
Surface treatment | HDG, PTFE coated, black, galvanized, yellow zinc plated, dacromet... |
Packaging Details | bulk packing in cartons, then put on pallets, or as per your requests. |
Customer design | our experienced engineer team can developed the products and manufacture in accordance with samples, drawings or only ideas |
Price terms | FOB, CIF, CFR, EXW, and others. |
Payment terms | T/T, L/C, western union, paypal, etc. |
Delivery method | by sea, by air or by express service |
Certifications | ISO9001 |

Company information
   Our company has strong production capacity and sells professional standard fasteners. Our product accord with the international quality system, such as ANSI and BS. Our company offers high quality professional fasteners for industrial fields, such as automobile,building, communication, electron, energy, electrical home appliances and furniture, etc. Throughout year's development, we can assure high quality of our products.
    Welcome to consult, negotiate and order all series fastener from businessman in all countries, we will provide all -directions " one- stop purchase completely" service for you.


Product Equipments

Testing Equipments

 Â
1.You are a manufacturing company or trading company?
---We specialized in manufacturing fasteners and we have 15 years of exporting experience. And our price is reasonable.
Â
2.What quote do you offer?
---FOB , CIF and others ways according to your needs.
Â
3.How pay?
---All kind of Payment we all accept from you.
Â
4.How transport?
---Sea Freight, Air Freight and others Express Delivery ways for you.
Â
5.Can I order a small list ?
---Of course,you can.
Â
6.Can we print our own logo ?
---Yes, we can print logo for you.
Â
7.What is the quality of your products guarantee?
---We have passed ISO9001:2008 Quality Management System Certification, CQM Quality Management System Certification and IQNet Quality Management System Certification, If the quality doesn't  accord the standard, you can exchange the goods for free.
Â
8.Do you have after-sales service?
---Certainly,you can contact us at any time.
Our Services
Sample
Sample Fee: NegotiateÂ
Samples: Available for evaluation before place order.
Sample Time: About 20 Days
How To Order
1. We need to know the size, quantity and others.
2. Discuss all details with you and make the sample if needed.
3. Start the mass production after getting your payment(deposit).
4. Send goods to you.
5. Receive the goods in your side.
Â
 ![]()  |
WUXIÂ Â ZHUOCHENG MECHANICAL COMPONENTS CO.,LTD |
CONTACTS:Â Kethy Tan | |
TEL: 0086-510-82391114Â | |
FAX: 0086-510-82390318 | |
MOB: 0086-15755058970 | |
Website: www.zhuochengwj.com |
Â
Alluvial Gold Dressing Equipment
The STL water-jacketed Gold Concentrator is a kind of gravity separation equipment. It was developed by Changchun Gold Research Institute Co., Ltd. in 1985 and entered the market. At present, it has been used in many domestic and foreign companies. It is suitable for the recovery of single gold in placer gold, vein gold mines and polymetallic mines, instead of mercury plate operations. The addition of large single gold particles in the collected ore before flotation can further increase the recovery rate of gold mines, and it can also be used from gold-bearing mines. Separate single gold from flotation gold-copper concentrate and flotation gold concentrate.
The main indicators of this series of equipment basically reach the level of similar international products (such as Nielsen gold selectors, etc.). Compared with similar equipment at home and abroad, this series of equipment has the advantages of high cost performance, easy operation, and low maintenance costs.
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Changchun Gold Research Institute Co.LTD , https://www.ccgrizb.com