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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.

flanged hex bolt and extra heavy hex nut

Encompass a variety of pipe fittings and customized products

stud bolt for various industries

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

Alloy 59 Hex Nut

Size Range:

Diameter M5 - M64 ; 1/4"- 2 1/2"

Length:10-1000mm ; 1/2"-40"

Monel 400 Hex Bolt

Monel 400 Hex Bolt

Size Range:

Diameter M5 - M64 ; 1/4"- 2 1/2"

Length:10-1000mm ; 1/2"-40"

Grade 80 C276 Hex Bolt

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.

SS304 316 U BOLT

SS304 316 U BOLT View More

Hastelloy C4 Hex Bolt

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

Duplex DIN6334 Coupling Nut

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!

Duplex2205 Hex Cap Nut

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!

2205 Hex Bolt View More

Super Duplex 2507 Nut

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!

Duplex Stud Bolt

Duplex Stud Bolt

High-Strength Duplex Stud Bolt – Built to withstand extreme mechanical stress
Superior Corrosion Resistance over standard 300-series stainless steel
Wide Material Choices including Duplex 2205, Super Duplex 2507 & S32760
Flexible Standards & Sizes to fit global industrial requirements
Certified Quality with EN10204-3.1B certification available
Customizable Solutions including OEM marking and finish options

A20 nut View More

254SMO Hex Bolt

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

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

Monel 400 Stud Bolt

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.

SS304 316 DIN6319 LOCK WASHER

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.

DIN25201 SPRING LOCK WASHER

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

SS304 316 DIN127B SPRING LOCK WASHER

SS304 316 DIN127B SPRING LOCK WASHER View More

SS304 316 SQUARE WASHER

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.

SS304 316 Socket Screw

SS304 316 Socket Screw View More

DIN7504 Self Drilling Screws

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.

1.4547 Long Nut

1.4547 Long Nut

Size Range:

Diameter M5 - M64 ; 1/4"- 2 1/2"

Length:10-1000mm ; 1/2"-40"

Super Duplex 2507 Nut

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!

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 MANUFACTURER — FASTOOL

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.

threaded rod and stud bolt and hex nut and hex bolt

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.

Chemical Industry

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.
Nuclear Power Applications

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.
Water Treatment Plant

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.
Oil And Gas Engineering

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 image

24-Hour Service Response

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

Custom Development Image

Custom Development

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

Quality Inspection Certification Image

Quality Inspection Certification

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

After-Sales Service Team Image

After-Sales Service Team

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

Service Experience Image

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

06/ 22/ 2026

What Is A Super Duplex 2507 Nut?

Learn to specify, source, and install Super Duplex 2507 (UNS S32750) nuts. Explore metallurgy, corrosion resistance, and how to prevent galling.

06/ 24/ 2026

When Should You Use Super Duplex 2507 Nuts?

Prevent fastener failure in harsh environments. Learn why Super Duplex 2507 nuts offer ultimate strength and corrosion resistance for your project.

06/ 23/ 2026

Super Duplex 2507 Nut Vs Duplex 2205 Nut

Compare Duplex 2205 vs. Super Duplex 2507 nuts. Learn how to balance strength, PREN, and budget to choose the right heavy-duty fastener.

06/ 28/ 2026

Wood Auger Bit Vs Spade Bit

Auger bits vs. spade bits: Discover key differences in speed, depth, and power to choose the right wood boring tool and prevent drill damage.

Wood Drill Bit.png

06/ 27/ 2026

What Is A Wood Auger Bit?

Drill deep, straight holes in thick timber. Learn how self-feeding wood auger bits work, compare to alternatives, and how to choose the best one.

06/ 25/ 2026

Super Duplex 2507 Nut Properties Explained

Explore Super Duplex 2507 nuts (UNS S32750): mechanical properties, extreme corrosion resistance, key applications, and critical installation tips.

06/ 29/ 2026

How To Choose A Wood Auger Bit?

Master deep timber drilling. Learn how to choose, use, and maintain wood auger bits for clean, precise, and stall-free holes.

06/ 30/ 2026

Best Wood Auger Bits For Hardwood

Stop ruining hardwoods! Learn how to choose the right wood auger bits to prevent burning, jamming, and drill stalls in dense oak or maple.

Wood Drill Bit3.png

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

threaded rod for gear

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A comprehensive manufacturer of fasteners and machined parts, specializing in nickel alloy fasteners, pipeline valve fittings, and woodworking auger bits.

QUICK LINKS

PRODUCT CATEGORY

CONTACT US

Tel: +86-181-2171-9007

Email: fst@jsfastool.com

Add: 13# NANSHAN ROAD, XINGHUA, JIANGSU, CHINA P.C225700

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