AS 2451 BSW Threaded Hex Head Bolts

Product: AS 2451 BSW Threaded Hex Head Bolts

Property Class: Gr307A, 307B, 325, A449, A490 2,5,8

Finish:Zinc Plating(Yellow Zinc, Zinc Blue,Rinse Color), Black, Phosphate & Oil, Zinc Phosphate, Hot-dip Galvanized(HDG),Dacromet, Geomet

Material:Steel,Stainless

Export country: USA, Japan, Australia, Europe and so on

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Product Details

When it comes to industrial-grade fastening solutions, nothing beats the performance, reliability, and engineering accuracy of AS 2451 BSW threaded hex head bolts. Designed to meet Australian Standard AS 2451 specifications and manufactured with the British Standard Whitworth (BSW) thread form, these bolts are trusted across a broad spectrum of industries where strength, safety, and consistency are paramount.

If you're sourcing fasteners that guarantee mechanical reliability, compliance, and cost-efficiency, the AS 2451 BSW threaded hex head bolt is your go-to solution.


What Are AS 2451 BSW Threaded Hex Head Bolts?

AS 2451 BSW threaded hex head bolts are externally threaded fasteners that feature a hexagonal head for wrench tightening, combined with a coarse-thread profile based on the British Standard Whitworth (BSW) system. These bolts are manufactured in compliance with AS 2451, the Australian standard governing hex bolts, ensuring consistent thread pitch, tensile strength, and head dimensions.

Whether you're in mining, construction, heavy machinery, or structural engineering, AS 2451 BSW threaded hex head bolts deliver unmatched fastening performance under extreme load and vibration conditions.


Why Choose AS 2451 BSW Threaded Hex Head Bolts?

1. Standards-Compliant Manufacturing

All AS 2451 BSW threaded hex head bolts are manufactured to rigorous Australian Standard AS 2451 specifications. This ensures exacting thread tolerances, dimensional uniformity, and consistent mechanical strength — critical for high-performance assembly operations.

2. Superior Thread Holding Power

The BSW thread form offers a deeper and more rounded thread profile compared to metric threads. This provides enhanced load-bearing surface area, making AS 2451 BSW threaded hex head bolts ideal for applications where strong grip and resistance to loosening under vibration are essential.

3. Durable and Corrosion-Resistant

Available in a variety of coatings such as hot-dip galvanized, black oxide, and zinc-plated finishes, AS 2451 BSW threaded hex head bolts provide long-term durability and corrosion resistance — even in outdoor and marine environments.

4. Versatile Across Industries

From mining equipment and construction frameworks to machinery assembly and infrastructure projects, AS 2451 BSW threaded hex head bolts are a preferred choice among engineers and procurement professionals worldwide.

5. Fast Installation and Easy Maintenance

The hex head design allows for quick tightening and loosening using standard wrenches and sockets, saving time during assembly and maintenance.


Typical Applications

  • Mining machinery and rigging systems

  • Structural steel assemblies

  • Bridge and tunnel construction

  • Oil, gas, and marine equipment

  • Agricultural and heavy-duty mechanical systems

  • Transport and rail infrastructure


Technical Specifications

  • Standard: AS 2451

  • Thread Type: British Standard Whitworth (BSW)

  • Available Sizes: 1/4" to 1-1/2" BSW

  • Materials: Carbon steel, stainless steel (304/316), alloy steel

  • Finishes: Plain, zinc plated, hot-dip galvanized, black oxide

  • Threading: Fully or partially threaded depending on length and application

  • Tensile Strength: Typically Grade 4.6 to 10.9 (material dependent)


Order With Confidence

Choosing the right fasteners is critical to structural integrity and operational safety. With AS 2451 BSW threaded hex head bolts, you benefit from standardized quality, robust performance, and long-lasting reliability. Whether you're restocking for routine maintenance or managing large-scale procurement, these bolts offer the confidence and consistency every project deserves.


Bulk Orders, Custom Coatings & Express Delivery Available!

We offer flexible order volumes, fast worldwide shipping, and custom packaging solutions. Looking for specific lengths, materials, or finishes in AS 2451 BSW threaded hex head bolts? Our technical team is ready to assist you with tailored options that meet your project specifications.


Secure Your Supply of AS 2451 BSW Threaded Hex Head Bolts Today!

Enhance your structural connections and fastening systems with the trusted performance of AS 2451 BSW threaded hex head bolts. Request a quote, speak with a technical expert, or place your order online — we guarantee top-tier products and customer service you can rely on.


Pictures

AS 2451 BSW Threaded Hex Head Bolts AS 2451 BSW Threaded Hex Head Bolts AS 2451 BSW Threaded Hex Head Bolts AS 2451 BSW Threaded Hex Head Bolts

Product drawing

AS 2451 BSW Threaded Hex Head Bolts

Product Specification

Size

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1

1-1/8

1-1/4

1-3/8

1-1/2

1-5/8

1-3/4

1-7/8

2

P

20

18

16

14

12

12|18|24

11

10

9

8

7

6

5

6

4.5

ds max

0.28

0.342

0.405

0.468

0.53

0.5625

0.665

0.79

0.915

1.04

1.175

1.3

1.425

1.55

1.685

1.81

1.875

2.06

k

max

0.186

0.228

0.27

0.312

0.363

0.371

0.447

0.53

0.623

0.706

0.79

0.89

0.98

1.06

1.18

1.27

1.198

1.43

min

0.166

0.208

0.25

0.292

0.333

0.348

0.417

0.5

0.583

0.666

0.75

0.83

0.92

1.0

1.08

1.17

1.114

1.33

s

max

0.445

0.525

0.60

0.71

0.82

0.812

1.01

1.2

1.3

1.48

1.67

1.86

2.05

2.22

2.41

2.58

2.812

2.76

min

0.435

0.515

0.585

0.695

0.8

0.798

0.985

1.175

1.27

1.45

1.64

1.815

2.005

2.175

2.365

2.52

2.719

2.7

r min

1/32

0.938

3/64

1/16

1/8
3.248

e min

0.51

0.619

0.69

0.82

0.95

0.91

1.12

1.34

1.45

1.65

1.87

2.07

2.29

2.48

2.7

2.87

3.099

3.08

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