High Tensile Steel Bolt 8.8

Bhansali overseas is one of the leaders to manufacture and supply High Tensile Bolts 8.8 Grade. We produce all our products using the best of raw materials and technology that ensure optimum quality. Our Grade 8.8 Bolts are manufactured using medium carbon steel. These 8.8 High Tensile Bolts are further quenched and tempered. Our Alloy Steel Grade 8.8 Studs are delivered to a lot many industries as they find usage in a wide range of applications. We produce these Grade 8.8 Bolts in a way that they provide good tensile strength and provide good performance in different environments. We offer these 8.8 Grade Bolts in a wide range of standards and sizes to fit the requirements of all our customers.

Buy Class 8.8 High Strength Bolts for Steel Structure

High Tensile Bolts 8.8 is often referred to as high strength bolts for steel structures. These bolts are made from high tensile steel, which is widely acknowledged to be the strongest bolt material available. This makes it an essential choice when it comes to steel structures that require bolts that are resistant to shear forces and bending moments

High Tensile Bolts 8.8 is preferred because of its advanced mechanical properties that make it suitable for use in various critical applications. The primary advantage of these bolts is their ability to withstand high tensile forces and high shear forces. This allows them to maintain their structural integrity under high loads and extreme weather conditions. The uses of High Tensile Bolts 8.8 are numerous, ranging from the construction of bridges and tunnels to the assembly of wind turbine blades and the fitting of heavy machinery. These bolts work seamlessly in high-stress scenarios and heavy industrial environments, making them a versatile choice for many applications.

Our High Tensile 8.8 Grade Hexagon Head Bolts are used in railroad equipments, engines, motors and processing equipment. Our high-end infrastructure and advanced machinery helps us in delivering the most outstanding range of products to our customers. These products are built to last and deliver optimum performance even under harsh usage. We maintain production standards of international levels to guarantee top-notch product quality and durability.

High Tensile Bolts 8.8 comes in different sizes and dimensions that cater to the varying needs of different applications. At Bhansali Overseas, we offer a wide range of sizes, including M6-M36, which are capable of handling various load capacities.

Grade 8.8 Bolt Supplier in India

When it comes to high tensile bolt grades, there are many types of bolts available in the market today, with varying grades such as 10.9 and 12.9. However, the 8.8 grade is the most preferred for steel structures, as it is the most versatile type of high tensile bolt.

At Bhansali Overseas, we offer competitive prices for High Tensile Bolts 8.8 in the market, making it affordable for all our clients without compromising on quality. We keep our prices low by buying in bulk, reducing production costs, and outsourcing from our trusted manufacturers whose quality we have consistently verified.

Our quality standards are second to none. All our products undergo rigorous quality checks to ensure they meet industry standards, with a special focus on dimensional accuracy, corrosion resistance, and mechanical strength. We source our High Tensile Bolts 8.8 only from trusted manufacturers who meet our stringent quality criteria. Send us a quote or contact us to know more about


High Tensile Bolts Grade 8.8 Specification

Standards : DIN EN ISO 4014 & 4017 DIN 931 / 933 & IS 1364 / IS 1363

Size : Dia M 20 to 100 mm / Inch 3/4"to 3.1/2"

Finish : Plain / Zinc plated / Hot dip galvanised


Grades Material Description :

Grade 8.8 Medium Carbon Boron Steel ; Quenched & Tempered

High Tensile Steel Grade 8.8 Properties :

Grades Size Range PS [MPa] YS (min) [MPa] TS (min) [MPa] Hardness [Rockwell]
Class 8.8 Under M16 580 640 800  
17-72 600 660 830 C23–34


ASTM F568 High Tensile Class 8.8 Bolt Chemical Composition :

Property Class Nominal Product Diameter, MM Material Treatment Product Analysis (Element By Wieght) Tempering Temperature, C
C MN B P S
Min Max Min Min Max Max Min
8.8 M20-M80 Medium Carbon steel product is quenched and tempered 0.25 0.55 - - 0.48 0.58 425
8.8 M20-M36 Low Carbon Martensite steel. product is quenched and tempered 0.15 0.40 0.74 0.0005 0.48 0.58 425


BS 3692 Grade 8.8 Hex Bolt Mechanical Properties :

Property Class Nominal Diameter of Product Full Size Bolts, Screws, and Studs Machined Test Specimens of Bolts, Screws, and Studs Surface Hardness Product Hardness
Proof Load Tensile Strength MPA Yeild Strength MPA Tensile Strength MPA Elongation, % Reduction of Area, % Rockwell 30N Rockwell Vickers
Length Measurement Method, MPA Yield Strength Method, MPA Min Min Min Min Min Max Min Max Min Max
8.8 M20–M80 600 660 830 660 830 12 35 53 C23 C34 255 336


8.8 Grade Bolt Torque :

Diameter Tensile Stress Area mm² Suggested Bolt Load KN. Approximate Torque Nm
Grade 8.8 Grade 8.8
M5 14.2 6.9 6.9
M6 20.1 9.8 11.7
M8 36.6 17.8 28.4
M10 58.0 28.1 56.3
M12 84.3 40.9 98
M16 157 76.2 244
M20 245 119 476
M24 353 171 822
M30 561 272 1634
M36 817 397 2855


Types of Bolts in Steel Structures :

High Tensile Allen Bolts 8.8

High Tensile 8.8 Allen Bolts

High Tensile Bsf Bolts 8.8

High Tensile 8.8 Bsf Bolts

High Tensile Eye Bolts 8.8

High Tensile 8.8 Eye Bolts

High Tensile Hexagon Bolts 8.8

High Tensile 8.8 Hexagon Bolts

High Tensile U Bolts 8.8

High Tensile 8.8 U Bolts

High Tensile Unf Bolts 8.8

High Tensile 8.8 Unf Bolts


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Bolts and Fixings

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High Tensile Bolts 8.8 Price List :

Grade 8.8 Fasteners Price List Price Per Pcs.
Grade 8.8 Machine bolts price USD $5.10
Grade 8.8 Hex head bolts price USD $6.05
High Tensile Grade 8.8 Socket Head Cap Screw price USD $3.10
Grade 8.8 Screws price USD $3.70
Grade 8.8 Dowel Pins price USD $1.20
Grade 8.8 Allen bolts price USD $4.25
Grade 8.8 Washer price USD $1.00
Grade 8.8 Nuts price USD $1.45


High Tensile Bolt Sizes :

DIA M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52
Pitch 0.7 0.8 1 1.25 1.5 1.75 2 2.5 3 3.5 4 4.5 5
Grade A upto length 40 50 60 80 100 120 140 150 Grade A not applicable to these dia’s
Head Across Flat (S)

Nom = Max

Min

Grade A

Grade B

7 8 10 13 16 18 21 24 27 30 34 36 41 46 50 55 60 65 70 75 80
6.78 7.78 9.78 12.73 15.73 17.73 20.67 23.67 26.67 29.67 33.38 35.38 Grade A not applicable to these dia’s
6.64 7.64 9.64 12.57 15.57 17.57 20.16 23.16 26.16 29.16 33 35 40 45 49 53.8 58.8 63.1 68.1 73.1 78.1
Head Height (K) Nom

Tol + or –

Grade A

Grade B

2.8 3.5 4 5.3 6.4 7.5 8.8 10 11.5 12.5 14 15 17 18.7 21 22.5 25 26 28 30 33
0.125 0.15 0.18 0.215 Grade A not applicable to these dia’s
0.2 0.24 0.29 0.35 0.42 0.5
Across corners e Min

Grade A

Grade B

7.66 8.79 11.05 14.38 17.77 20.03 23.36 26.75 30.14 33.53 37.72 39.98 Grade A not applicable to these dia’s
7.5 8.63 10.89 14.2 17.59 19.85 22.78 26.17 29.56 32.95 37.29 39.55 45.2 50.85 55.37 60.79 66.44 71.3 76.95 82.6 88.25
Thread Length (b)

For lengths

< or = 125mm

For lengths

> 125mm <= 200mm

For lengths > 200mm

14 16 18 22 26 30 34 38 42 46 50 54 60 66 Not specified as full thread recommended
20 22 24 28 32 36 40 44 48 52 56 60 66 72 78 84 90 96 102 108 116
33 35 37 41 45 49 53 57 61 65 69 73 79 85 91 97 103 109 115 121 129
Major Dia at thread (min) 3.838 4.826 5.794 7.76 9.732 11.701 13.682 15.682 17.623 19.623 21.623 23.577 26.577 29.522 32.522 35.465 38.465 41.437 44.437 47.399 51.399
Major Dia at thread (max) 3.978 4.976 5.974 7.972 9.968 11.966 13.962 15.962 17.958 19.958 21.958 23.952 26.952 29.947 32.947 35.94 38.94 41.937 44.937 47.929 51.929


Grade 8.8 Hex Bolts In Bsw/Bsf Threads To Bs 1083-1965 :

DIA 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 3/4 2
BSW Pitch (TPI) 20 18 16 14 12 12 11 10 9 8 7 7 6 5 4.5
BSF PITCH (TPI) 26 22 20 18 16 16 14 12 11 10 9 9 8 8 7 7

Head Across Flat (S) Min

Max

0.438 0.518 0.592 0.702 0.812 0.912 1.000 1.190 1.288 1.468 1.640 1.815 2.005 2.175 2.520 2.700
0.445 0.525 0.600 0.710 0.820 0.920 1.010 1.200 1.300 1.480 1.670 1.860 2.050 2.220 2.580 2.760

Head height (K) Min

Max

0.166 0.208 0.250 0.292 0.333 0.365 0.407 0.480 0.563 0.636 0.710 0.790 0.880 0.960 1.110 1.270
0.176 0.218 0.260 0.302 0.343 0.375 0.417 0.500 0.583 0.666 0.750 0.830 0.920 1.000 1.170 1.330
Across corners e Max 0.51 0.61 0.69 0.82 0.95 1.06 1.17 1.39 1.50 1.71 1.93 2.15 2.37 2.56 2.98 3.19
Thread Length b Min

Twice the Dia (2D)

Major Dia at thread BSW (min) 0.2427 0.3046 0.3666 0.4285 0.4904 0.5527 0.6147 0.7390 0.8653 0.9897 1.1140 1.2388 1.4879 1.7369 1.9862
Major Dia at thread BSW (max) 0.2488 0.3112 0.3736 0.4360 0.4985 0.5609 0.6233 0.7482 0.8750 1.000 1.1250 1.250 1.500 1.750 2.000
Major Dia at thread BSF (min) 0.2432 0.3051 0.3671 0.4290 0.4910 0.5533 0.6153 0.7394 0.8658 0.9902 1.1148 1.2395 1.3640 1.4888 1.7380 1.9876
Major Dia at thread BSF (max) 0.2489 0.3113 0.3737 0.4361 0.4985 0.5610 0.6234 0.7482 0.8750 1.000 1.1250 1.250 1.375 1.500


Grade 8.8 Hex Bolts Unc/Unf Threads To Bs 1768-1963 :

DIA 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 3/4 2
UNC Pitch (TPI) 20

18

16

14

13

12

11

10

9

8

7

7

6

6

5

4.5

UNF Pitch (TPI) 28 24 24 24 20 20 18 16 14 12

NOT RECOMMENDED

Head Across Flat (S) Min

Max

0.430 0.493 0.554 0.617 0.742 0.804 0.929 1.115 1.300 1.488 1.657 1.830 2.017 2.205 2.565 2.940
0.437 0.500 0.562 0.625 0.750 0.812 0.937 1.125 1.312 1.500 1.687 1.875 2.062 2.250 2.625 3.000

Head Height (K) Min


Max

0.153 0.201 0.233 0.281 0.313 0.361 0.393 0.463 0.543 0.597 0.678 0.773 0.838 0.934 1.074 1.203
0.163 0.211 0.243 0.291 0.323 0.371 0.403 0.483 0.563 0.627 0.718 0.813 0.878 0.974 1.134 1.263
Across corners e (MAX) 0.505 0.577 0.650 0.722 0.866 0.938 1.083 1.300 1.515 1.732 1.948 2.165 2.382 2.598 3.031 3.464
Thread Length b (Min)

2D + 1/4” upto bolt length of 6” and 2D + 1/2” for bolt lengths above 6”

Major Dia at thread ( Class 2A) Min for UNC 0.2408 0.3026 0.3643 0.4258 0.4876 0.5495 0.6113 0.7353 0.8592 0.9830 1.1064 1.2314 1.3544 1.4794 1.7268 1.9751
Major Dia at thread (2A) Min for UNF 0.2425 0.3042 0.3667 0.4281 0.4906 0.5524 0.6149 0.7391 0.8631 0.9868

NOT RECOMMENDED

Major Dia at thread Class 2A Max for UNC 0.2490 0.3113 0.3737 0.4361 0.4985 0.5609 0.6234 0.7482 0.8731 0.9980 1.1228 1.2478 1.3726 1.4976 1.7473 1.9971


Grade 8.8 High Tensile Bolts Composition Chart

Accept all small/ Large Orders High Tensile Class 8.8 Bolts, Grade 8.8 High Tensile Coach Bolts at reasonable price

CLASS MATERIAL AND TREATMENT C C P S B TEMPERING TEMP. [C]
MIN MAX MAX MAX MAX
8.8 CARBON STEEL WITH ADDITIVES (E.G. B, MN OR CR) QUENCHED AND TEMPERED 0.15 (D) 0.4 0.025 0.025 0.003 425
CARBON STEEL QUENCHED AND TEMPERED 0.25 0.55 0.035 0.025

High Tensile Bolts 8.8 Supplier

We Supply High Tensile Bolts 8.8 in Pimpri-Chinchwad, Navi Mumbai, Algiers, Kanpur, Secunderabad, Tehran, Jeddah, Chandigarh, Dallas, Ulsan, Busan, Milan, Sydney, Geoje-si, Thane, Lahore, New Delhi, Calgary, Caracas, Mumbai, Cairo, Pune, Al Jubail, Ahmedabad, Riyadh, Colombo, Dubai, Brisbane, La Victoria, Nagpur, Abu Dhabi, Karachi, Doha, Aberdeen, Bengaluru, Vadodara, Noida, Howrah, Ahvaz, Courbevoie, Mexico City, Perth, Istanbul, London, Edmonton, Toronto, Vung Tau, Rajkot, Dammam, Kuala Lumpur, Jaipur, Rio de Janeiro, Surat, New York, Moscow, Ranchi, Petaling Jaya, Nashik, Sharjah, Ludhiana, Gimhae-si, Al Khobar, Hanoi, Montreal, Houston, Coimbatore, Haryana, Los Angeles, Madrid, Indore, Muscat, Bangkok, Port-of-Spain, Bogota, Kolkata, Lagos, Hong Kong, Singapore, Chiyoda, Kuwait City, Ankara, Santiago, Granada, Hyderabad, Ho Chi Minh City, Jakarta, Manama, Bhopal, Gurgaon, Baroda, Atyrau, Faridabad, Visakhapatnam, Thiruvananthapuram, Jamshedpur, Ernakulam, Seoul, Chennai, Melbourne.

High Tensile Bolts 8.8 Availability Worldwide

We Export High Tensile Bolts 8.8 in Venezuela, Iran, Italy, Poland, Argentina, Azerbaijan, Mexico, Morocco, Indonesia, Bhutan, Kazakhstan, Czech Republic, Russia, Canada, Ukraine, Romania, Qatar, Ecuador, Thailand, Tibet, Kenya, Colombia, Kuwait, United States, Afghanistan, Zimbabwe, Slovakia, Belarus, France, Algeria, South Korea, South Africa, Chile, Spain, Sri Lanka, Gambia, Taiwan, India, Hungary, Bahrain, Iraq, Japan, Pakistan, Bulgaria, Nepal, Croatia, Finland, Macau, Yemen, Mexico, Serbia, Saudi Arabia, Egypt, Malaysia, Trinidad & Tobago,Tunisia, Bolivia, Vietnam, Costa Rica, China, Philippines, Nigeria, Denmark, Israel, Belgium, Brazil, Angola, Mongolia, Portugal, Australia, Ireland, Peru, New Zealand, United Kingdom, Singapore, Greece, Oman, Lebanon, Sweden, Turkey, Norway, Bangladesh, Austria, Switzerland, Ghana, Chile, Estonia, Netherlands, Iran, Hong Kong, Nigeria, Jordan, Libya, Poland, Puerto Rico, Lithuania, Germany, United Arab Emirates, Namibia, Gabon.

High Tensile Bolts 8.8 Other Available Products

High Tensile Bolts 8.8 Alloy Steel Grade 8.8 Bolts
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High Tensile Grade 8.8 Studs Dealer Special Head Grade 8.8 High Tensile Flange Head Bolts Exporter
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Other Applications of High Tensile 8.8 Heavy Hex Bolts

  • High Tensile 8.8 Bolts uses in Off-Shore Oil Drilling Companies
  • High Tensile 8.8 Bolts Fasteners uses in Gas Processing
  • High Tensile 8.8 Steel Fasteners uses in Aircraft Exhaust Manifolds
  • High Tensile 8.8 Bolts uses in Power Generation
  • High Tensile 8.8 Bolts uses in Specialty Chemicals
  • High Tensile 8.8 Bolts uses in Heat Exchangers
  • High Tensile 8.8 Bolts uses in Petrochemicals
  • HT 8.8 U Bolts uses in Spiral Welded tube for burner pipes and flues
  • High Tensile 8.8 Bolts And Nuts uses in Pharmaceuticals
  • High Tensile 8.8 Bolts Fasteners uses in Pharmaceutical Equipment
  • High Tensile 8.8 Bolts uses in Sea Water Equipment

Bolts Application Industry