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High Tensile Grade 8.8 Hex Bolts

AS1252 Structural Bolts, Nuts and 8.8 Fasteners manufacturer in India

Grade 8.8 Bolts

Grade 8.8 Bolts

Class 8.8 Studs

Class 8.8 Studs

Class 8.8 Nuts

Class 8.8 Nuts

BS 3692 Grade 8.8 Hex Bolt

BS 3692 Grade 8.8 Hex Bolt

M20 Grade 8.8 Galvanised Bolts

M20 Grade 8.8 Galvanised Bolts

ASME SA324 8.8 Stainless Steel Bolts

ASME SA324 8.8 Stainless Steel Bolts

Manufacturer and supplier of Class 8.8 Jh Bolt in Metric sizes M12/ M16, buy Grade 8.8 Threaded Rod, Screw, Washer, Nuts in custom sizes.


What is 8.8 cw bolt?

CW is marked on high tensile 8.8 bolt which means Cold Worked, its a low temperature manufacturing process.


Grade 8.8 Bolts Mechanical Properties

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


Class 8.8 Nuts Chemical Composition

CLASS Material And Treatment C C P S B Tempering Temp. [C]
Minimum Maximum Maximum Maximum Maximum
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

BS 4190 Stud Bolt Grade 8.8 and ASTM F568m Galvanised Hsfg Bolts manufacturer in India, view price list ex Mumbai.


High Tensile Class 8.8 Studs Specification List

ASTM Standards DIN 933 / 931, DIN ISO EN 4017 And 4014, IS 1363 / 1363
Size Dia. 20 to 100 MM / Inches 3/4 to 3.1/2
Surface Finish Plain / Zinc plated / Hot dip galvanised

BS 3692 Grade 8.8 Hex Bolt Dimensions Chart

Bolt Diameter Body Diameter Head Diameter(F) Head Height (H) Degree of Slope
(D) Maximum Maximum Edge Sharp Minimum Edge Sharp Absolute Minimum Rounded Maximum Minimum
1/2 0.515 0.935 0.905 0.845 0.269 0.233 78° to 82°
5/8 0.642 1.169 1.132 1.066 0.336 0.292 78° to 82°
3/4 0.768 1.402 1.357 1.285 0.403 0.349 78° to 82°
7/8 0.895 1.637 1.584 1.511 0.47 0.408 78° to 82°
1 1.022 1.869 1.81 1.735 0.537 0.466 78° to 82°
1-1/8 1.149 2.104 2.037 1.962 0.604 0.525 78° to 82°
1-1/4 1.277 2.337 2.262 2.187 0.671 0.582 78° to 82°
1-3/8 1.404 2.571 2.489 2.414 0.738 0.641 78° to 82°
1-1/2 1.531 2.804 2.715 2.64 0.805 0.698 78° to 82°
ASME B18.5 1990 (R 1998) Dimensions

Looking for Grade 8.8 Bolts manufacturers in India? Hot dipped galvanised BS 3692 High Tensile Anchor Bolt and 8.8 HT Structural Fasteners exporter in India.

Diameter Chart M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52
Pitch List 0.7 0.8 1 1.25 1.5 1.75

2

2.5

3

3.5

4

4.5

5

GR A Length 40 50 60 80 100 120 140

150

Grade A not applicable to these diameter

Head Across Flat (S)

Normal = Maximum

Minimum

GR A

GR 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

GR A not applicable to these dia.

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 Nom

Tol + or –

GR A

GR 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

GR A not applicable to these dia.

0.2

0.24

0.29

0.35

0.42

0.5

Across corners e Minimum

GR A

GR 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

GR A not applicable to these dia.

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 = 125ilimeter

For lengths

> 12ilimeter <= 200milimeter

For lengths > 200ilimeter

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 Diameter at thread (minimum) 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 (maximum) 3.978 4.976 5.974 7.972 9.968 11.966 13.962 15.962 17.958

Manufacturer of Cold Worked 8.8 Cw and Jh Bolt in India for suspension, view properties, tensile stress, shear strength, weight and torque chart.

En 15048 Bolts Size Chart

Class and Material Nominal Size Range (mm) Mechanical Properties
Proof Load (MPa) Minimum Yield Strength (MPa) Minimum Tensile Strength (MPa)
Class 8.8 Medium carbon steel, quenched and tempered All sizes below 16 millimeter 580

640

800

16mm - 72mm 600 660 830

Grade 8.8 Bolt Shear Strength

Bolt Diameter
Tensile
Stress
Area
At
Tension
Capacity
Shear
Capacity

Bearing Capacity in kN (Min. of Pbb and Pbs)
End distance equal to 2 x bolt dia.

Thick. in millimeter of material passed through

Nominal
0.8 At pt

Exact
At pt

Single
Shear
Double
Shear
Pnom
Pt
Ps
2 Ps
millimeter
millimeter2
kN
kN
kN
kN
5
6
7
8
9
10
12
15
20
25
30
12
84.3
37.8
47.2
31.6
63.2
33.0
39.6
46.2
52.8
59.4
66.0
79.2
99.0
132
165
198
16
157
70.3
87.9
58.9
118
44.0
52.8
61.6
70.4
79.2
88.0
106
132
176
220
264
20
245
110
137
91.9
184
55.0
66.0
77.0
88.0
99.0
110
132
165
220
275
330
22
303
136
170
114
227
60.5
72.6
84.7
96.8
109
121
145
182
242
303
363
24
353
158
198
132
265
66.0
79.2
92.4
106
119
132
158
198
264
330
396
27
459
206
257
172
344
74.3
89.1
104
119
134
149
178
223
297
371
446
30
561
251
314
210
421
82.5
99.0
116
132
149
165
198
248
330
413
495

Grade 8.8 Bolt Material Equivalent

Diameter Ranges Grade Of Metric Approx. ASTM Equivalent Description Tensile, minimum Yield, minimum
Mpa ksi Mpa ksi
All 4.6 A307A Low or medium carbon steel (cs) 400 58 240 35
through 1" (M24) 5.8 - Cold worked low or medium carbon steel 520 75 420 61
through 1" (M24) 8.8 A449 Heat treated medium carbon steel 830 120 660 96
above 1" (M24) 8.8 A193B7/A354BC or F1554G105 Heat treated medium carbon steel 830 120 660 96
through 1-1/2" (M36) 8.8.3 A325 Type 3 / A449 Type 3 Heat treated medium carbon weathering steel 830 120 660 96
All 10.9 A490/A354BD Heat treated medium carbon alloy steel 1040 151 940 136
through 1-1/2" (M36) 10.9.3 A490 Type 3 Heat treated medium carbon alloy weathering steel 1040 151 940 136
All 12.9 A574 Heat treated alloy steel 1220 177 1100 160

Class 8.8 Bolt Torque Chart

Max. Recommended Tightening Torques
Metric Course Pitch Gr. 12.9 Plated Metric Course Pitch Gr. 10.9 Plated Metric Course Pitch Gr. 8.8 Plated
Nm ft-lb Nm ft-lb Nm ft-lb
M6 14 10 M6 12 9 M6 8 6
M8 34 25 M8 29 21 M8 20 15
M10 68 50 M10 57 42 M10 40 30
M12 119 88 M12 99 73 M12 70 52
(M14) 189 139 (M14) 158 116 (M14) 112 83
M16 295 218 M16 246 181 M16 175 129
(M18) 406 299 (M18) 338 249 (M18) 241 177
M20 576 424 M20 480 354 M20 341 252
(M22) 783 577 (M22) 652 481 (M22) 464 342
M24 995 734 M24 829 612 M24 590 435
(M27) 1456 1074 (M27) 1213 895 (M27) 863 636
M30 1977 1458 M30 1647 1215 M30 1171 864
(M33) 2690 1984 (M33) 2242 1653 (M33) 1594 1176
M36 3454 2548 M36 2879 2123 M36 2047 1510
(M39) 4471 3298 (M39) 3726 2748 (M39) 2649 1954
M42 5525 4075 M42 4604 3396 M42 3274 2415
(M45) 6871 5068 (M45) 5726 4223 (M45) 4072 3003
M48 8287 6113 M48 6906 5094 M48 4911 3622
M52 10749 7928 M52 8958 6607 M52 6370 4698


About Company

We Are EIL And IBR Approved Manufacturer, Exporter, Stockholder, Traders, Dealer, Importer, Wholesaler, Distributor, Supplier of Industrial Pipe Fittings & Flanges, Forgings And Fasteners In Mumbai, India.


Our Official Address

153 / 154, “A” Wing, Siddheshdeep Tower,
Shop No. A-28, Ground Floor, P.B. Marg, Near Navjivan Society,
Mumbai– 400 008 (India).


Telephone & Fax No.

Tel Number : +91 - 22 - 6743 7342,
+91 - 22 - 6659 5135
Fax Number : +91 - 22 - 66595135

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