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Full Thread Stud Bolt with Heavy Hex Nuts.
Full Thread Stud Bolt with Heavy Hex Nuts.
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Full Thread Stud Bolt with Heavy Hex Nuts.

Stud Bolt is a bolt with threads on both ends that designed to be screwed into a fixed part at one end, and to receive a nut on the other end. In Petroleum or Chemical industry, they are prominently used for flange connection, so stud bolt used with two nuts on either side is the most common combination which replaces bolt and nut assembly.

As we know that Stud Bolts have many categories, the type for flange connection is called flange stud bolts, which has fully thread with chambered ends. The theoretical length is measured the thread. Continuous threaded stud bolt is very similar to it, except no chambered ends.



Stud Bolt Materials 

The most common materials for stud bolts (for flanges) are ASTM A193 (grade B7, B8, B8M, B8T), ASTM A453 (grade 660), ASTM A320 (grade L7, L7M), and ASTM A182 (duplex and super duplex bolting). For aggressive fluids and environments, stud bolts can be coated with Xylan/PTFE, Zinc and other materials.


 Stud Bolts' Coating

Stud bolts can be coated to increase the resistance to corrosion. The most common types of coatings for stud bolts are listed below:

  • Electro zinc plating

  • Electro cadmium plating

  • Hot dip galvanizing

  • PTFE Coating

  • Phosphate coating

  • Electroless nickel plating

  • Zinc-nickel coating

  • Aluminum coating

  • Silver coating

  • Zinc/Nickel by electrodeposition

  • Xylan coating


Why choose Qishine?

High Quality: Qishine provide high quality products.
Reasonable and Competitive Price: Our products are sales well in oversea markets,especially in Europe, South America and Africa.
Professional Service: Qishine's sales team have rich experience in exporting and projects service.
Fast Delivery: Fast deliver the goods to all of the world.

One Stop Service: We provide gaskets,screws,flanges,pipes and fittings.Best choice for EPC companies and projects' construction.

Products to our clients.


Who choose Qishine?
ANSI B18.2.1 ANSI B18.2.2 ASTM A193 B8m A194 B8 Stud Bolt with Heavy Hex Nuts

About Sample

 1.We can offer samples for testing,courier freight afforded by the receiver .

 2.For cost saving, freight prepaid is recommended.

 3.Special requirement accepted

About Order

1.Payment Term: T/T, L/C

2.Trade Term:  EXW, FCA, FOB, CFR,CIF,DDU
3.Documents: CI, PL, CO,MTC and BL.

About After Sale Service

Product Quality Guarantee: We guarantee our products quality for 12months from the date of BL.