Heavy Hex Head Bolt
Standard: ASME B 18.2.6M
Thread Type: Coarse Thread/ Partial Thread
Commodity: Heavy Hex Head Bolt
Also Named: Heavy Hexagon Bolts
Material: Steel
Diameter: M12, M16, M20, M22, M24, M27, M30, M36
Finish: Plain/ Black/ Zinc Plated/ Hot Dipped Galvanized/ Organic/ Dacromet/ Phosphating/ Cadmium Electroplate/ Nickel Plated
Head Type: Hexagon Head
Drive Type: External Hexagon
MOQ: 1000kgs
Lead Time: 30 to 60 days
Product Introduction
AYA Fasteners (Hebei) Co., Ltd. is one of the most experienced manufacturers and suppliers of heavy hex head bolt in China. Please feel free to buy high quality heavy hex head bolt made in China here from our factory. For price consultation, contact us.

As a global supplier of customized fastening solutions, AYA's senvice process is also as close to customers as AYA's products. From describing needs to follow-up services, AYA will promptly and spare no effort to help customers solve any fastening problems that arise, to eliminate the concern of customers.
Product Description
Standard | ASME B 18.2.6M |
Thread Type | Coarse Thread / Full Thread |
Commodity | Heavy Hex Head Bolt |
Also Named | Heavy Hexagon Bolts |
Material | Steel |
Diameter | M12, M16, M20, M22, M24, M27, M30, M36 |
Finish | Plain/ Black/ Zinc Plated/ Hot Dipped Galvanized/ Organic/ Dacromet/ Phosphating/ Cadmium Electroplate/ Nickel Plated |
Head Type | Hexagon Head |
Drive Type | External Hexagon |
MOQ | 1000kgs |
Lead Time | 30 to 60 days |
| Thread Size d | M12 | M16 | M20 | M22 | M24 | M27 | M30 | M36 | |
| P | Pitch | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 |
| ds | max | 12.7 | 16.7 | 20.84 | 22.84 | 24.84 | 27.84 | 30.84 | 37 |
| min | 11.3 | 15.3 | 19.16 | 21.16 | 23.16 | 26.16 | 29.16 | 35 | |
| s | max | 21 | 27 | 34 | 36 | 41 | 46 | 50 | 60 |
| min | 20.16 | 26.16 | 33 | 35 | 40 | 45 | 49 | 58.8 | |
| e | max | 24.25 | 31.18 | 39.26 | 41.57 | 47.34 | 53.12 | 57.74 | 69.28 |
| min | 22.78 | 29.56 | 37.29 | 39.55 | 45.2 | 50.85 | 55.37 | 66.44 | |
| k | max | 7.95 | 10.75 | 13.4 | 14.9 | 15.9 | 17.9 | 19.75 | 23.55 |
| min | 7.05 | 9.25 | 11.6 | 13.1 | 14.1 | 16.1 | 17.65 | 21.45 | |
| r | min | 0.6 | 0.6 | 0.8 | 0.8 | 1 | 1.2 | 1.2 | 1.5 |
| b | Ref. | 25 | 31 | 36 | 38 | 41 | 44 | 49 | 56 |
| ①,Chemical and mechanical properties of steel bolts shall conform to ASTM A325M or ASTM A490M as applicable. | |||||||||
Product Details

Product Advantages

Advantages Of Heavy Hex Head Bolt
1. Often used in structural steel to steel fastening applications, the heavy bolt is a hex head style threaded fastener designed to provide the heavy duty holds needed in steel building frameworks.
2. Seen in heavy construction jobs, heavy hex head bolts are used with a nut and hardened washer to make ASTM specifications.
3. The high quality steel used to create these bolts are designed for strength and durability, allowing these bolts to conform to ASTM A325.
4. Due to their durability, reliability and tough construction these bolts are perfect for scaffolding, I-beams and structural joints, as well as use in tower modifications.
5. We customize solutions based on actual situation of users. AYA is capable of generating customized fastening solutions for global customers under different scenarios, minimize customer loss caused by environmental factors.
Quality Inspection

Our digital system keeps each batch traceable from raw materials to finished products. Complete quality inspection certificates can be offered upon request.
Packaging & Container Loading

AYA has always attached great importance to the R&D of the packaging to improve the appearance as well as the durability in the process of shipment.
Usage Scenarios

Why Choose AYA?

AYA provides exclusive services to 1000+ members from all over the world every year, with a unique chain service solution system, you only need to click the mouse to get exclusive fastening solution and enjoy door-to-door services.
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