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Studs bolt A193 B7 black

Short Description:

Threaded Rod Manufacturers, Threaded Rod Suppliers, Stud Bolt Supplier

Our factory was founded in 2003,which is a professional manufacturer of high-strength bolts in different specifications for various models. Covering an area of about 10,000 square meters, registered capital of 1500,000 yuan, with the total annual productivity of 10000 tons. The company has set up several sales branches in China. Meanwhile, the company’s products are exported to Europe, the Americas, the Middle East, Southeast Asia and other regions. The company has strong technical strength, complete testing equipment and a variety of fully automatic multi-station cold and hot heading machine, so as to provide you with reliable and high quality products.

Product Detail

Product Tags

Threaded Metal Studs Details

● Material: Alloy Steel b7,  threaded rods

● Description: stud bolts A193

● Grade:B7

● Surface Finish: Black oxide

● Thread: Full thread or double end studs.

● Application: Construction and Industrial projects, building, roadway, bridge, etc.

● Package: Special package for threaded rods.

● Delivery: 30-60 days.

Threaded Metal Studs Standard and Dimensions


Threaded Rods Categories

As one of the leading screw suppliers, our company manufactures stocks and supplies stud bolts and screws astm A193 B7 for customers in construction and industrial applications, and provides the best factory price and delivery.

What is threaded rods? What' s threaded rods also called?

Threaded rods, also known as threaded bars, double end studs or stud bolts, which a threaded fastener which has long rod with thread on both ends. 

What are threaded rods used for?

Applications for Threaded Rods:

Threaded rods are widely used in applications to fasten two materials together. For example, connect metal to wood or concrete objects. Mostly in industrial and construction industry like combustion gas systems, constructing building, road, bridges etc. Fastenwell is a threaded rods manufacturers and suppliers export threaded rods B7, B7M, B8, B8M for customers in contruction applications worldwide.

How do you size a threaded rod?

Threaded rods have two critical specifications, diameter and length. Some customers also have requests for angle and weight when inquiry. Our company is a threaded rods manufacturers, we can produce as customer's special requirements of weight and angles.

Can i bend threaded rod?

The threaded rods can be bend when you use enough manual force. If you want the threaded rods to be stronger, you can make request on materials using when production. Q193 and Q235 are most common seen materials for low carbon steel threaded rods.

Is b7 the same as grade 8?

Both ASTM A193 B7 and Grade 8 refer to the performance of threaded rods, B7 with performance more close to Grade 5, which can be used in high temperature and pressure applications.

What is grade b7 threaded rod?

B7, with full name ASTM A193 Grade b7, which refers to a fully threaded rods or bars which can worked for high wear, high temperature, high pressure or high strength applications. Heat treatment and surface treatment are required usually.

Why stud is used instead of bolts?

Studs can provide much more torque than bolts when fastening and tightening, it can keep still when the pressure coming from surroundings.

What is difference between studs bolt and hex bolts?

Both studs and bolts can work with nuts. Both usually with a head, hex, flange, square or T head etc. While studs are bolts without head, and with thread from end to end.

What is the difference between machine bolt and stud bolt?

Machine bolts, also called machine screws. Which is a threaded fasteners with head and full thread on its body. While stud bolts is a headless bolts, which can be full thread, or thread on both ends, but bright and finish in the middle of the rods.

What' s the difference between threaded rods and bolts?

Threaded rods are full thread bolts with head, also threaded rod has longer length than bolts. The max length of threaded rods we manufacture is up to 3 meters or 12ft.

Where to buy threaded rods?

Ningbo Zhongli Bolts Manufacturing Co.td, is a leading threaded rods manufacturers and suppliers. Our Threaded rods B7, B8, DIN975, DIN976 are very popular among regular customers with good quality, durable performance and competitive prices, if you can request or inquiry for threaded rods products, please feel free to contact us.


1. Are you a manufacturer?

Yes, we are threaded rod manufacturers producing bolts, studs bolt and threaded rods B7, B7M, B8, B8M etc.

2. How long is the delivery time?

If there are threaded rod stock, it will take 7-10 days. For orders, production period will take 30-60 days.

3. Can we have samples threaded steel rods?

Yes, samples can be provided if there is free threaded rod stock.

4. Can we use our own head mark or customize package?

Yes, customize head mark and package are acceptable; please send the requirements when placing order.

5. How can we make an order?

Just inquiry on our page or send an email.

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