Alloy Steel Fasteners Manufacturer

We, Global Steel is a leading producer and supplier of alloy steel fasteners, offer our clients a large choice of fasteners, which are made to conform to international standards. We are one of India’s biggest stockists of Alloy Steel Fasteners and are able to deliver our products on a competitive basis because of our wide industry experience.

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Alloy steel fasteners are well-known for their amazing properties like corrosion resistance, great ductility, durability, high tensile strength, great toughness, stability in elevated temperatures, and many more. These fasteners are a combination of elements like chromium, vanadium, tungsten, and molybdenum in their composition. The addition of these elements in its composition gives the alloy steel fasteners great strength and resistance to corrosion. The alloy fasteners come in different grades, dimensions, and types.

There are alloy fasteners ranging from M12 to M72 in required length and the types differ such as studs, bolts, nuts, washers, and so on. Grade B7 Alloy steel fasteners are produced in a chromium molybdenum alloy and heat-treated by quenched and tempered methods. This product’s method improves the strength of these alloy steel fasteners.

These Alloy steel fasteners go through several tests to ensure that the customers are provided with good quality fasteners. Some of the tests that we conduct are hardness tests, hydrostatic tests, and many more. These Alloy steel fasteners are used in the petrochemical industry, pharmaceutical industry, railways, construction industry, oil, and gas industry, pulp, and paper industry, etc. Other grades/types of alloy steel fasteners are also used in power plant industries, oil drilling applications, heat exchangers, condensers, etc.

Specification List of Alloy Steel Fasteners

Specification ASTM A193 / ASME SA193
Standards DIN, ASTM, BS and all International Standards
Size M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length 3 mm to 200 mm
From Hot Forged and Cold Forged
Type Nuts, Bolts, Washers, Stud, Screw
Alloy Steel Fasteners

Different Types of Alloy Steel Fasteners

Carbon Steel Nuts

Alloy Steel Nuts

  • Alloy Steel Gr 2H Nuts
  • Alloy Steel Coupling Nuts
  • Alloy Steel Gr 2 Nuts
  • Alloy Steel Heavy Hex Nut
  • Alloy Steel Grade 2H Nuts
  • Chrome Moly Nut
  • Alloy Steel Gr.2 Nuts
  • Alloy Steel Hex Jam Nut
  • Alloy Steel Grade 2HM Nuts
  • Alloy Steel Wing Nut
  • Alloy Steel Grade 2 Nut
  • Alloy Steel Gr.6 Nuts
  • Alloy Steel Machine Hex Nut
Carbon Steel Bolts

Alloy Steel Bolts

  • Alloy Steel Heavy Hex Bolts
  • ASTM A193 Alloy Steel GR.B7M Bolts
  • Alloy Steel Eye Bolts
  • Alloy Steel Grade B7M Bolts
  • ASTM A193 Alloy Steel GR.B7 Bolts
  • Alloy Steel GR B6 T Bolts
  • Alloy Steel U Bolts
  • Alloy Steel Wing Bolt
  • Alloy Steel B16 Hex Bolt
  • Alloy Steel Grade B6 Bolts
  • Alloy Steel Hex Head Bolt
  • Chromium Moly Steel Bolt
  • Alloy Steel Bolts
Carbon Steel Washers

Alloy Steel Washers

  • Alloy Steel GR B6 Washers
  • Alloy Steel Washer
  • Alloy Steel Grade B6 Washers
  • Alloy Steel B16 Washers
  • Alloy Steel Plain Washers
  • Alloy Steel Machine Flat Washers
  • ASTM A193 Alloy Steel GR.B7M Washers
  • Alloy Steel Square Washer
  • Cr-Mo Washer
  • Alloy Steel Grade B7 Washers
  • Alloy Steel Split Washer
  • Chromium Moly Ogee Washer
  • ASTM A193 Alloy Steel GR.B7 Washers
Carbon Steel Screws

Alloy Steel Screws

  • Alloy Steel Split Machine Screw
  • Alloy Steel Screw
  • Alloy Steel Flat Head Screws
  • Alloy Steel GR B6 Screws
  • Alloy Steel Button Head Screw
  • Alloy Steel Grade B6 Screws
  • Alloy Steel Self Tapping Screws
  • Chromium Moly Screw
  • Alloy Steel B16 Screws
  • ASTM A193 Alloy Steel GR.B7 Screws
  • Alloy Steel Allen Screws
  • ASTM A193 Alloy Steel GR.B7M Philips Screw
  • Cr-Mo Grade B7 Screw
Carbon Steel Stud Bolts

Alloy Steel Stud Bolts

  • Alloy Steel Metric Threaded Stud Bolts
  • Alloy Steel Tap End Stud Bolts
  • Alloy Steel Threaded Rods
  • ASTM A193 Alloy Steel GR.B7M Tie Rods
  • Alloy Steel Half Threaded Stud Bolts
  • Alloy Steel Stud Bolts
  • Cr-Mo Single End Studs
  • Alloy Steel B16 Stud Bolts
  • ASTM A193 Alloy Steel GR.B7 Stud Bolts
  • Alloy Steel Threaded Stud Bolts
  • Chromium Moly Stud Bolts
  • Alloy Steel GR B6 Half Threaded Stud Bolts
  • ASTM A193 Alloy Steel Grade B6 Stud Bolts
Carbon Steel Anchor Bolts

Alloy Steel Anchor Bolts

  • Alloy Steel GR.B7M Hammer Drive Anchor Bolts
  • ASTM A193 Alloy Steel GR.B7 Anchor Bolts
  • Alloy Steel Sleeve Type Anchor Bolts
  • Cr-Mo Anchor Bolts
  • Alloy Steel GR B6 Anchor Bolts
  • Alloy Steel B16 Anchor Bolts
  • Alloy Steel Anchor Bolt
  • ASTM A193 Alloy Steel GR.B7M Anchor Bolts
  • Alloy Steel Hex Nut Sleeve Anchor Bolts
  • Alloy Steel Metric Threaded Stud Bolts
  • Alloy Steel Tap End Anchor Bolts
  • Chromium Moly Anchor Bolts
  • ASTM A193 Alloy Steel Grade B6 Anchor Bolts

Contact us to get a quick quote for your requirement.

We offer These Alloy Steel Fasteners as per DIN, ISO, JIS or ANSI Standard.

Available Stock of Alloy Steel Fasteners

  • Chromium Molybdenum Grade B7 Draw Bolts
  • ASTM A193 Alloy Steel Gr 2HM Nuts
  • AS Gr.B7M Foundation Bolts
  • ASTM A193 AS Grade B6 Double Ended Studs
  • Alloy Steel Gr 2H Locking Nuts
  • Alloy Steel Fender Washer
  • Alloy Steel Hanger Bolts
  • Alloy Steel Hex Head Fasteners
  • AS Gr B7 Hexagonal Washer
  • Alloy Steel Foundation Bolts
  • ASTM A193 Alloy Steel Gr B6 Fasteners
  • Alloy Steel Tooth Lock Washers
  • Cr Mo Grade B7M Customized Washer
  • Alloy Steel Dock Washer
  • Alloy Steel Socket Cap Screw
  • ASTM A193 AS Gr B6 Lock Washer
  • Alloy Steel Allen Cap Screw
  • Alloy Steel Particle Board Screw
  • Alloy Steel Construction screws
  • Alloy Steel Hex Washers
  • Alloy Steel Flange Lock Nut
  • ASTM A193 Alloy Steel Gr B16 Ogee Washer
  • Alloy Steel Fasteners Application
  • Cr-Mo Thread Rolling Screw
  • Alloy Steel Fasteners Standard
  • Alloy Steel Countersunk Washer
  • Large Range of Alloy Steel Fasteners
  • ASTM A193 Alloy Steel Gr.B7M Alloy Steel Bolts
  • ASTM A193 AS Gr.B7 Hex Coupling Nuts
  • Alloy Steel Concrete Screw
  • Alloy Steel Fasteners Chart Pdf
  • Check Alloy Steel Wing Nuts Sizes

Alloy Steel Hex Bolt Dimension

NOMINAL SIZE (D)
BODY DIAMETER
HEAD THICKNEASTM A193
ACROASTM A193 THE FLATS
ACROASTM A193 CORNERS
D (MAX)
D (MIN)
H (MAX)
H (MIN)
F (MAX)
F (MIN)
C (MAX)
C (MIN)
m10
10.00
9.78
6.63
6.17
17.00
15.73
18.48
17.77
m12
12.00
11.73
7.76
4.24
19.00
17.73
20.78
20.03
m14
14.00
13.73
9.09
8.51
22.00
20.67
24.25
23.35
m16
16.00
15.73
10.32
9.68
24.00
23.67
27.71
26.75
m20
20.00
19.67
12.88
12.12
30.00
29.16
34.64
32.95
m24
24.00
23.67
15.44
14.56
36.00
35.00
41.57
39.55
m30
30.00
29.67
19.48
17.92
46.00
45.00
53.12
50.85
m36
36.00
35.61
23.38
21.63
55.00
53.80
63.51
60.79
m42
42.00
41.38
26.97
25.03
65.00
62.90
75.06
71.71
m48
48.00
47.38
31.07
28.93
75.00
72.60
86.60
82.76
m56
56.00
55.26
36.2
33.80
85.00
82.20
98.15
93.71
m64
64.00
63.26
41.32
38.68
95.00
91.80
109.70
104.65
m72
72.00
71.26
46.45
43.55
105.00
101.40
121.24
115.60
m80
80.00
79.26
51.58
48.42
115.00
111.00
132.72
126.54
m90
90.00
89.13
57.74
54.26
130.00
125.50
150.11
143.07
m100
90.00
99.13
63.9
60.10
145.00
140.00
167.43
159.60

Size Chart of Alloy Steel Nuts

Nut Size (mm)
Diameter* (mm)
Height (mm)
Hex Nut
Jam Nut
Nylock Nut
2mm
4
1.6
1.2
2.5mm
5
2
1.6
3mm
5.5
2.4
1.8
4
4mm
7
3.2
2.2
5
5mm
8
4
2.7
5
6mm
10
5
3.2
6
7mm
11
5.5
3.5
8mm
13
6.5
4
8
10mm
17
8
5
10
12mm
19
10
6
12
14mm
22
11
7
14
16mm
24
13
8
16
18mm
27
15
9
18.5
20mm
30
16
10
20
* This is the diameter across the flats. It is also the size of wrench to use.

Dimensions of Alloy Steel Heavy Hex Nuts

Nominal Size or Basic Major Thread Diameter
F
G
H
Width Across Flats
Width Across Corners
Thickness
Basic
Max
Min
Max
Min
Basic
Max
Min
1/4
.2500
1/2
.500
.488
.577
.556
15/64
.250
.218
5/16
.3125
9/16
.562
.546
.650
.622
19/64
.314
.280
3/8
.3750
11/16
.688
.669
.794
.763
23/64
.377
.341
7/16
.4375
3/4
.750
.728
.866
.830
27/64
.441
.403
1/2
.5000
7/8
.875
.850
1.010
.969
31/64
.504
.464
9/16
.5625
15/16
.938
.909
1.083
1.037
35/64
.568
.526
5/8
.6250
1-1/16
1.062
1.031
1.227
1.175
39/64
.631
.587
3/4
.7500
1-1/4
1.250
1.212
1.443
1.382
47/64
.758
.710
7/8
.8750
1-7/16
1.438
1.394
1.660
1.589
55/64
.885
.833
1
1.0000
1-5/8
1.325
1.575
1.876
1.796
63/64
1.012
.956
1-1/8
1.1250
1-13/16
1.812
1.756
2.093
2.002
1-7/64
1.139
1.079
1-1/4
1.2500
2
2.000
1.938
2.309
2.209
1-7/32
1.251
1.187
1-3/8
1.3750
2-3/16
2.188
2.119
2.526
2.416
1-11/32
1.378
1.460
1-1/2
1.5000
2-3/8
2.375
2.300
2.742
2.622
1-15/32
1.505
1.433
1-5/8
1.6250
2-9/16
2.562
2.481
2.959
2.828
1-19/32
1.632
1.556
1-3/4
1.7500
2-3/4
2.750
2.662
3.175
3.035
1-23/32
1.759
1.679
2
2.0000
3-1/8
3.125
3.025
3.608
3.449
1-31/32
2.013
1.925
2-1/4
2.2500
3-1/2
3.500
3.388
4.041
3.862
2-13/64
2.251
2.155
2-1/2
2.5000
3-7/8
3.875
3.750
4.474
4.275
2-29/64
2.505
2.401
2-3/4
2.7500
4-1/4
4.250
4.112
4.907
4.688
2-45/64
2.759
2.647
3
3.0000
4-5/8
4.625
4.475
5.340
5.102
2-61/64
3.013
2.893
3-1/4
3.2500
5
5.000
4.838
5.774
5.515
3-3/16
3.252
3.124
3-1/2
3.5000
5-3/8
5.375
5.200
6.207
5.928
3-7/16
3.506
3.370
3-3/4
3.7500
5-3/4
5.750
5.562
6.640
6.341
3-11/16
3.670
3.616
4
4.0000
6-1/8
6.125
5.925
7.073
6.755
3-15/16
4.014
3.862

Alloy Steel Hex Nuts Dimension

Nominal Size or Basic Major Thread Diameter
F
G
H
Width
Across Flats
Width
Across Corners
Thickness
Basic
Max
Min
Max
Min
Basic
Max
Min
1/4
.2500
7/16
.438
.428
.505
.488
7/32
.226
.212
5/16
.3125
1/2
.500
.489
.577
.557
17/64
.273
.258
3/8
.3750
9/16
.562
.551
.650
.628
21/64
.337
.479
7/16
.4375
11/16
.688
.675
.794
.768
3/8
.385
.365
1/2
.5000
3/4
.750
.736
.866
.840
7/16
.448
.427
9/16
.5625
7/8
.875
.861
1.010
.982
31/64
.496
.473
5/8
.6250
15/16
.938
.922
1.083
1.051
35/64
.559
.535
3/4
.7500
1-1/8
1.125
1.088
1.299
1.240
41/64
.665
.617
7/8
.8750
1-5/16
1.312
1.269
1.516
1.447
3/4
.776
.724
1
1.0000
1-1/2
1.500
1.450
1.732
1.653
55/64
.887
.831
1-1/8
1.1250
1-11/16
1.688
1.631
1.949
1.859
31/32
.999
.939
1-3/8
1.3750
2-1/16
2.062
1.994
2.382
2.273
1-11/64
1.206
1.138
1-1/2
1.500
2-1/4
2.250
2.175
2.598
2.480
1-9/32
1.ASTM A194 GR. 8
1.245
1-5/8
1.6250
2-7/16
2.438
2.356
2.815
2.686
1-25/64
1.429
1.353
1-3/4
1.7500
2-5/8
2.625
2.538
3.031
2.893
1-1/2
1.540
1.460
2
2.0000
3
3.000
2.900
3.464
3.306
1-23/32
1.763
1.675
2-1/4
2.2500
3-3/8
3.375
3.263
3.897
3.719
1-15/16
1.986
1.890
2-1/2
2.5000
3-3/4
3.750
3.625
4.330
4.133
2-5/32
2.209
2.105
2-3/4
2.7500
4-1/8
4.125
3.988
4.763
4.546
2-3/8
2.431
2.319

We Serve Application Industry

Application Industry

Fasteners applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Oil & Gas Industry

Petrochemical Industry

Power Generation Industry

Chemical Industry

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We Export Alloy Steel Fasteners Across the Globe

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

Domestic Supply Alloy Steel Fasteners

Ernakulam , Ahmedabad, Bengaluru, Kolkata, Kanpur, Howrah, Jaipur, New Delhi, Chennai, Jamshedpur, Nashik, Pune, Chandigarh, Rajkot, Indore, Surat, Thane, Bhopal, Ludhiana, Navi Mumbai, Secunderabad, Pimpri-Chinchwad, Thiruvananthapuram, Haryana, Gurgaon, mumbai, Hyderabad, Faridabad, Nagpur, Noida, Visakhapatnam, Ranchi
Global Steelindia

Global Steel is a significant manufacturer and exporter of all ferrous and non-ferrous metals. As a pioneer and leader in the industry, Global Steel is at the forefront of technology and research.

Quick Contact

Shop No.6, Sonarika Bldg, 25/C, Chandawadi, Cawasji Patel Tank, Mumbai, Maharashtra 400004