external hex bolt company
A comprehensive manufacturer of fasteners 
and machined parts, specializing in the production of nickel alloy fasteners, pipeline valve fittings,
and woodworking auger bits.
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flanged hex bolt and extra heavy hex nut
Encompass a variety of pipe fittings and customized products
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PRODUCTS CATALOG FASTOOL PROVIDE

Taizhou Fastool Co., Ltd. has become a comprehensive manufacturer of fasteners and machined parts, specializing in nickel alloy fasteners, pipeline valve fittings, and woodworking auger bits.
Alloy 59 Hex Nut
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
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Monel 400 Hex Bolt
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
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Grade 80 C276 Hex Bolt
The C276 Hex Bolt is a premium fastener crafted from Hastelloy C-276 (UNS N10276), a nickel-molybdenum-chromium alloy renowned for its exceptional resistance to strong acids, chlorides, and high-temperature corrosion.
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Hastelloy C4 Hex Bolt
We are Hastelloy Fastener Experts!
If you select us,you will enjoy the service by our 18 years experienced sales Engineer!
We seek:
Professional service!
Good quality products!
Trustworthy factory!
We can produce Hastelloy hex bolt, U bolt, square head bolt, Eye bolt, stud bolt, threaded rod, hex nut, hex coupling nut, Hex domed cap nut, nylock nut, flat washer, spring lock washers and so on.The grade are Hastelloy C4, C22 , C276 , C2000, B2, B3 , G3 , G30 , Hastelloy X/2.4600 , 2.4602 , 2.4603 , 2.4610 , 2.4617 , 2.4619, 2.4665 , 2.4675 , 2.4819.Our products used in Nuclear power plant ,fine chemical industry and Petrochemical insustry, Chlorination systems widely
 
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Duplex DIN6334 Coupling Nut
We are leader duplex 2205 S32205 1.4462 F51 fasteners supplier from China!
Our long nut standard is DIN6334
Our goods used in cooling tower widely!
Our Duplex22057 bolt and nut are used in India power plant  on 2017!
Our Duplex2507 bolt and nut are used in Oman power plant  on 2019!
Our Duplex2205 bolt and nut are used in Bangladesh power plant  on 2020!
Our Duplex2507 bolt and nut are used in ISRAEL power plant cooling tower system on 2020!
Our Super duplex fasteners are used in Oman Power plant on 2010&2016&2024!
Our Super duplex fasteners are used in Mexico Power plant's cooling tower on 2024!
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Duplex2205 Hex Cap Nut
We are leader duplex 2205 S32205 1.4462 F51 fasteners supplier from China!
Our Hex cap nut standard is DIN1587,we have stock of M8,M10,M12
Our goods used in cooling tower widely!
Our Duplex22057 bolt and nut are used in India power plant  on 2017!
Our Duplex2507 bolt and nut are used in Oman power plant  on 2019!
Our Duplex2205 bolt and nut are used in Bangladesh power plant  on 2020!
Our Duplex2507 bolt and nut are used in ISRAEL power plant cooling tower system on 2020!
Our super duplex F55  fasteners are used in Oman Power plant on 2010&2016&2024!
Our super duplex fasteners are used in Mexico Power plant's cooling tower on 2024!
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Super Duplex 2507 Nut
We are leader Super duplex fasteners supplier from China!
Our super duplex nut standard is DIN934,DIN6334,DIN1587,DIN439,ASME B 18.2.2
Our goods used in cooling tower widely!
Our Duplex22057 bolt and nut are used in India power plant  on 2017!
Our Duplex2507 bolt and nut are used in Oman power plant  on 2019!
Our Duplex2205 bolt and nut are used in Bangladesh power plant  on 2020!
Our Duplex2507 bolt and nut are used in ISRAEL power plant cooling tower system on 2020!
Our Super duplex S32760  fasteners are used in Oman Power plant on 2010&2016&2024!
Our Super duplex fasteners are used in Mexico Power plant's cooling tower on 2024!
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Duplex Stud Bolt
We are leader super duplex fasteners supplier from China!
Our stud bolt standard is DIN975,DIN976,DIN939,IFI 131
Our goods used in cooling tower widely!
Our Duplex22057 bolt and nut are used in India power plant  on 2017!
Our Duplex2507 bolt and nut are used in Oman power plant  on 2019!
Our Duplex2205 bolt and nut are used in Bangladesh power plant  on 2020!
Our Duplex2507 bolt and nut are used in ISRAEL power plant cooling tower system on 2020!
Our Super duplexS32760  fasteners are used in Oman Power plant on 2010&2016&2024!
Our Super duplex fasteners are used in Mexico Power plant's cooling tower on 2024!
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254SMO Hex Bolt
We can produce 254Smo hex bolt
we can produce DIN931,DIN933,ISO4014,ISO4017
We can produce urgent order without MOQ, and ship within 15 days
 
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1.4529 WASHER
We are the leader 1.4529 flat washer supplier from China.
We can supply goods with 30 days to most sizes
Our goods are sold to European more than 15years and accept the strictest quality inspection
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Monel 400 Stud Bolt
We are Monel Fastener Experts!
If you select us, you will enjoy the service by our 18 years experienced sales Engineer!
We seek:
Professional service!
Good quality products!
Trustworthy factory!
We can produce Monel400 and Monel K500 hex bolt, U bolt, square head bolt, Eye bolt, stud bolt, threaded rod, hex nut, hex coupling nut, Hex domed cap nut, nylock nut, flat washer, spring lock washers ,flange , pipe fitting and so on.
 
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SS304 316 DIN6319 LOCK WASHER
We are washer bank!
We are professional factory and we have all kinds of washer!
We can say we are one washer bank,we have flat washer,SQ washer,tooth washer,DIN6319C Spherical Washers,EN14399 structural washer,F436 hardened washer,DTI load indicating washer,fixed washer, DIN6319D Conical Seats,DIN25201 double lock washer,and so on.
 
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DIN25201 SPRING LOCK WASHER
We are washer bank!
We are professional factory and we have all kinds of washer!
We can say we are one washer bank,we have flat washer,SQ washer,tooth washer,Spherical Washers,EN14399 structural washer,F436 hardened washer,DTI load indicating washer,fixed washer, DIN6319C Spherical Washers,DIN6319D Conical Seats,DIN25201 double lock washer,and so on.

We are professional Stainless steel fasteners factory from China.We can produce Bolt , Nut,  Washer, Threaded rod, Split cotter Pins, R clips and machining special parts according to the drawing.
 
If you select us,you will enjoy the service by our 18 years experienced sales!
We seek:
Professional service!
Good quality products!
Trustworthy factory!
We have the grade of SS304/316/310S/316L/321/904L/1.4529/254SMO/HastelloyC276/C4/C22/B3/G30,Inconel ,Incoloy and Monel
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SS304 316 SQUARE WASHER
We can say we are washer bank.We can supply all kinds of washer,such as DIN125A flat washer,DIN6797/9798 Tooth lock washer,DIN127B spring lock washer,DIN434 tapper washer,F436 hardened washer,DIN6319C Spherical Washers,DIN6319D Conical seats ,DIN25201 Lock washer and so on.
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DIN7504 Self Drilling Screws
The DIN7504 Self Drilling Screws are precision-engineered fasteners designed for quick, tool-free installation in thin-gauge metal sheets, complying with the rigorous German industrial standard DIN 7504-1.
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1.4547 Long Nut
Size Range:
Diameter M5 - M64 ; 1/4"- 2 1/2" 
Length:10-1000mm ; 1/2"-40"
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Super Duplex 2507 Nut
We are leader Super duplex fasteners supplier from China!
Our super duplex nut standard is DIN934,DIN6334,DIN1587,DIN439,ASME B 18.2.2
Our goods used in cooling tower widely!
Our Duplex22057 bolt and nut are used in India power plant  on 2017!
Our Duplex2507 bolt and nut are used in Oman power plant  on 2019!
Our Duplex2205 bolt and nut are used in Bangladesh power plant  on 2020!
Our Duplex2507 bolt and nut are used in ISRAEL power plant cooling tower system on 2020!
Our Super duplex S32760  fasteners are used in Oman Power plant on 2010&2016&2024!
Our Super duplex fasteners are used in Mexico Power plant's cooling tower on 2024!
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Our duplex stainless steel 2205 and 2507 fasteners have been utilized in numerous GE,
We always adhere to the business philosophy of "quality first."

PROFESSIONAL FASTENERS MANUFACTURERFASTOOL

With over 20 years of development, Taizhou Fastool Co., Ltd. has become a comprehensive manufacturer of fasteners and machined parts, specializing in nickel alloy fasteners, pipeline valve fittings, and woodworking auger bits. 
 
Our fastener products include bolts, U-bolts, stud bolts, nuts, washers, split cotter pins, pipe fittings, and more.  We have extensive experience in servicing project orders, and our fasteners are widely used in water treatment plants, power plants, and the chemical and petrochemical industries. Notably, our duplex stainless steel 2205 and 2507 fasteners have been utilized in numerous GE projects since 2010. 

APPLICATIONS FOR HIGH QUALITY FASTENERS

We have extensive experience in servicing project orders, and our fasteners are widely used in water treatment plants, power plants, and the chemical and petrochemical industries.

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!
 

WHY CHOOSE
FASTOOL?

24-Hour Service Response

24-Hour service response, providing preferred supporting solutions based on customer usage demands

Custom Development

It is to produce according to customer needs and cater to their personalized needs

Quality Inspection Certification

Improving production efficiency and product quality includes managing and monitoring the production process

After-Sales Service Team

Manage the after-sales service team, supervise, guide, and evaluate the overall work of the team

Service Experience

20 Years Perfect after-sales service system,Our woodworking auger bits come in a complete range of specifications, making them an ideal choice

LATEST BLOGS FOR FASTOOL MANUFACTURER

11/ 26/ 2025
Why Choose A Specialized Nickel Alloy Fastener Manufacturer Over A General Supplier?

In the fastener industry, the choice of materials is critical to ensuring the reliability and performance of equipment across a wide range of applications. For industries like chemical processing, oil & gas, and power generation, where equipment is often exposed to extreme temperatures and corrosive environments, using the right fastener materials is essential.

More >>
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11/ 27/ 2025
Inside Look: How A Trusted Fastener Manufacturer Ensures Quality for Chemical Industry Projects

In the chemical industry, the integrity and safety of equipment are paramount, and high-quality fasteners play a critical role in ensuring both. Chemical industry projects often involve extreme conditions, such as high temperatures, intense pressure, and exposure to corrosive chemicals.

More >>
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11/ 28/ 2025
Duplex Stainless Steel 2205/2507: Choosing The Right Fastener Manufacturer for GE Projects

Duplex Stainless Steel 2205 and 2507 are advanced materials widely used in high-performance applications due to their exceptional combination of strength, corrosion resistance, and durability. These alloys are particularly valuable in industries where equipment faces extreme environments, such as power generation, oil and gas, and chemical processing.

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12/ 01/ 2025
Beyond Bolts: Your Comprehensive Fastener Manufacturer for Water Treatment Plant Solutions

In the water treatment industry, the reliability and durability of every component are crucial, and fasteners play a pivotal role in ensuring the stability and safety of systems. Water treatment plants rely on a vast array of equipment, including tanks, pipelines, pumps, filtration systems, and valves, all of which need secure fastening solutions to operate efficiently.

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12/ 02/ 2025
The Crucial Role of Your Pipe Fitting Manufacturer in High-Pressure Pipeline Projects

High-pressure pipeline systems are critical in industries such as oil and gas, chemical processing, and water treatment, where the safe and efficient transport of fluids and gases is essential. In these systems, pipe fittings play a crucial role in maintaining the integrity and performance of the pipeline.

More >>
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10/ 31/ 2025
Understanding Stud Bolts: Applications And Advantages in Industrial Settings

In industrial operations, the smallest components often play the most significant roles. Among these, stud bolts stand out as critical elements in construction, manufacturing, and maintenance across multiple sectors. While they might appear simple at first glance, stud bolts are engineered to meet rigorous demands, ensuring structural integrity, operational safety, and long-term durability. This article explores what stud bolts are, their industrial applications, and the advantages they bring to modern facilities.

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10/ 29/ 2025
How To Choose The Right Stud Bolt for Your Engineering Projects

Stud bolts are critical fasteners used extensively in construction, machinery, petrochemical plants, and many other engineering applications. These specialized bolts, which have threads on both ends and often no head, are designed to provide secure, high-strength connections where standard bolts may not suffice. Choosing the right stud bolt is essential to ensure safety, durability, and performance in your projects.

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10/ 27/ 2025
The Role of Stud Bolts in High-Pressure And High-Temperature Applications

In industrial engineering, the reliability and safety of equipment often depend on the quality and performance of its fasteners. Among these, stud bolts play a critical role in maintaining integrity under demanding conditions. They are particularly indispensable in applications involving high pressure, extreme temperatures, and corrosive environments—common scenarios in petrochemical, power generation, and marine industries.

More >>
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WANT TO KNOW MORE 

ABOUT FASTOOL

If you have any questions, please contact us via email or telephone and we will get back to you as soon as possible.We look forward to hearing from you.
+86-181-2171-9007
A comprehensive manufacturer of fasteners and machined parts, specializing in nickel alloy fasteners, pipeline valve fittings, and woodworking auger bits.

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CONTACT US

Tel: +86-181-2171-9007
Email: donevi@qq.com
Add: 13# NANSHAN ROAD, XINGHUA, JIANGSU, CHINA P.C225700
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