Grade 12.9 Bolts

High Tensile 12.9 Socket Head Cap Screw and 12.9 Hex Head Bolts manufacturer in India.

The grade 12.9 bolts are specifically known for their high tensile strength. Their ultimate tensile strength is around 1242 MPa, minimum, which means they have the highest grades for bolts. The High Tensile Grade 12.9 Hex Head Bolts also come with high yield strength, a minimum of 1100 MPa. to enhance the strength and hardness of the bolts, the grade 12.9 is quenched and tempered. (Company Name) is one of the leading manufacturers of various High Tensile Grade 12.9 Fasteners. Our products are high in quality and are available at a very reasonable price. We offer customization on the size and finish of our products, according to the unique requirements of our esteemed clients. They can also get bolts of different standards from us.

The Class 12.9 Hex Nuts we manufacture have a premium look, as we offer platings like zinc and hot-dip galvanization on our products. We are a top manufacturer of various fasteners of the given grade, each of which has a wide range of usage. Our HT Class 12.9 Threaded Rod is one of the most popular and versatile products available. They are used across various industries, including agriculture, construction, and electricals. Our High Tensile Grade 12.9 Stud Bolts are widely used for various high tensile applications, including motor casings, engine parts, and many more. All of the products are available at a very reasonable rate.

We are amongst the largest Grade 12.9 Hex Head Bolts manufacturers, and our products are used in different equipment to fasten woods to metals. They are supplied throughout the country and worldwide. We have many happy customers living in different parts of the world. Our Grade 12.9 Washers are abundantly used in various places for load distributions.

High Tensile Grade 12.9 Hex Head Bolts

High Tensile Grade 12.9 Hex Head Bolts

Class 12.9 Hex Nut

Class 12.9 Hex Nut

Class 12.9 Threaded Rod

Class 12.9 Threaded Rod

High Tensile Grade 12.9 Stud Bolts

High Tensile Grade 12.9 Stud Bolts

Grade 12.9 Hex Head Bolts

Grade 12.9 Hex Head Bolts

Grade 12.9 Washers

Grade 12.9 Washers

Table Of Contents



Standard Dimensions Of 12.9 Grade Bolts

Standard Dimensions Of 12.9 Grade Bolts
Nominal Size Of D Diameter Of Body Head Thickness Flats Acro Corners Acro
D (MAXIMUM) D (MINIMUM) H (MAXIMUM) H (MINIMUM) F (MAXIMUM) F (MINIMUM) C (MAXIMUM) C (MINIMUM)
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

Dimension Table Of Class 12.9 Hex Nuts

Dimension Table Of Class 12.9 Hex Nuts
Nominal Size Of Thread Diameter F G H
Across Flats
Width 		Across Corners
Width 		Thickness Row
Basic Maximum Minimum Maximum Minimum Basic Maximum Minimum
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

Grade 12.9 Stud Bolts Dimensions Chart

Diameter Grade 12.9 Studs Bolts
Plain
UNC 8UN
1/2 19568 -
5/8 19569 -
3/4 19570
7/8 19571 -
1 19572 -
11/8 19573 13979
11/4 19574 13980
13/8 19656 13981
11/2 19657 13982
13/4 19658 13983
2 19659 13984
Available lengths 12 Inch
ASME B18.31.3,
Also available lengths Dimensions 6 Inch

Best price of High Tensile Grade 12.9 Allen Bolt, Metric Class 12.9 Stud Bolt exporter in India.


Metric Class 12.9 Square Bolts Dimensions

Metric Class 12.9 Square Bolts Dimensions

Table B3
Dimensions Of Square Bolt
Size Of Bolt A (maximum) B C (minimum) D E F
Length Of Thread
for Bolt Length
maximum minimum 6 Inch and
shorter		 over 6 Inch
1/4" 0.260 3/8 0.498 11/64 0.03 0.01 0.750 1.000
5/16" 0.324 1/2 0.665 13/64 0.03 0.01 0.875 1.125
3/8" 0.388 9/16 0.747 1/4 0.03 0.01 1.000 1.250
7/16" 0.452 5/8 0.828 19/64 0.03 0.01 1.125 1.375
1/2" 0.515 3/4 0.995 21/64 0.03 0.01 1.250 1.500
5/8" 0.642 15/16 1.244 27/64 0.06 0.02 1.500 1.750
3/4" 0.768 1-1/8 1.494 1/2 0.06 0.02 1.750 2.000
7/8" 0.895 1-5/16 1.742 19/32 0.06 0.02 2.000 2.250
1" 1.022 1-1/2 1.991 21/32 0.09 0.03 2.250 2.500
1-1/8" 1.149 1-11/16 2.239 3/4 0.09 0.03 2.500 2.750
1-1/4" 1.277 1-7/8 2.489 27/32 0.09 0.03 2.750 3.000
1-3/8" 1.404 2-1/16 2.738 29/32 0.09 0.03 3.000 3.250
1-1/2" 1.531 2-1/4 2.986 1 0.09 0.03 3.250 3.500

High Tensile Bolts 12.9 Grade Heavy Hex Bolts Dimensions

High Tensile Bolts 12.9 Grade Heavy Hex Bolts Dimensions

Nominal Size Of D Diameter Of Body Thickness Of Head Flats Across Bolts Corners Across
D (Maximum) D (Minimum) H (Maximum) H (Minimum) F (Maximum) F (Minimum) C (Maximum) C (Minimum)
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

Class 12.9 Stainless Steel Heavy Hex Nuts Dimensions with Tolerances

Class 12.9 Stainless Steel Heavy Hex Nuts Dimensions with Tolerances

Nominal Size For Thread Diameter
F
G
H
Width Of Across Flats
Width Of Across Corners
Thickness Table
Basic
Maximum
Minimum
Maximum
Minimum
Basic
Maximum
Minimum
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

12.9 High Tensile Socket Head Cap Screw Dimensional Formula

12.9 High Tensile Socket Head Cap Screw Dimensional Formula

Nominal Size Of D
Diameter Of Body
Thickness Of Head
Flats Across
Bolts Corners Across
D (Maximum)
D (Minimum)
H (Maximum)
H (Minimum)
F (Maximum)
F (Minimum)
C (Maximum)
C (Minimum)
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

Rolled threads Class 12.9 Bolts in superior surface finish, manufacturer and exporter of High Tensile Steel Grade 12.9 Studs and Csk Allen Bolt in all metric sizes M3 M4 M5 M6 M8 M12 M16.


Carbon Steel Grade 12.9 Threaded Rod Dimensional Format

Carbon Steel Grade 12.9 Threaded Rod Dimensional Format
D

P
(millimeter)

D

P
(millimeter)
M2 0.4 M20 1.5/2.5
M2.5 0.45 M22 1.5/2.5
M3 0.5 M24 2/3
M3.5 0.6 M27 2/3
M4 0.7 M30 2/3.5
M5 0.8 M33 2/3.5
M6 1 M36 3/4
M8 1/1.25 M39 3/4
M10 1/1.25/1.5 M42 3/4.5
M12 1.25/1.5/1.75 M45 3/4.5
M14 1.5/2 M48 3/5
M16 1.5/2 M52 3/5
M18 1.5/2.5

Metric Class 12.9 Flat Washer Dimensions

Metric Class 12.9 Flat Washer Dimensions
Size Table
USS
SAE
Inside Diameter (I.D.) Of
(A)
Outside Diameter (O.D.) Of
(B)
Thickness Of
(C)
I.D. Of
(A)
O.D. Of
(B)
Thickness Of
(C)
#2
-
-
-
3/32"
1/4"
0.020"
#4
-
-
-
1/8"
5/16"
0.032"
#6
-
-
-
5/32"
3/8"
0.049"
#8
-
-
-
3/16"
7/16"
0.049"

Grade 12.9 Bolt Chemical Composition

High Tensile Grade 12.9 Hex Head Bolts C P S B
0.28-0.5 0.025 0.025 0.003

Check tensile strength, chemical composition, hardness of Grade 12.9 Metric Bolts, Hex Nuts and High Tensile Steel Grade 12.9 Screws.

Mechanical Properties Of 12.9 Grade Bolts

Nominal thread diameter size range [millimeter] Proof strength [MPa] Yield strength (minimum) [MPa] Tensile strength (minimum) [MPa] Hardness [Rockwell]
1.6–100 970 1100 1220 C39–44

Hex Nut Grade 12.9 Size Chart

 
  Class and
Material 		Nominal Size Range
(millimeter) 		Mechanical Properties
Proof Load
(MPa) 		Minimum Yield Strength
(MPa) 		Minimum Tensile Strength
(MPa)
  Class 12.9 Alloy steel, quenched and tempered 1.6mm - 100mm 970

1100

1220

HT Bolt Grade 12.9 Specification

Standard Specification Of High Tensile Grade 12.9 Hex Head Bolts
Melt Origin Country Korea/ South America/ Japan/ East Europe
ASTM Standard Of Fasteners ASTM A193 B6: Class 1 & Class 2, DIN 933 / 931, EN 4017/ And 4014, IS 1363 / 1363.
Origin Of Product Rajtilak Metal (Mumbai, India)
Size Type Diameter 20 to 100 MM / Inches 3/4 to 3.1/2
Surface Finish Plain / Zinc plated / Hot dip galvanised
Additional Requirements Of Nuts Bolts NACE MR0103 And MR0175 & ISO 15156
Surface Coating Hot Dipped Galvanizing Coated Bolts
Phosphate Coated Bolts
Zinc Coated Bolts
Cadmium Coated Bolts
Teflon Coated Bolts
Xylon Coated Bolts
Type Of Fasteners Hex Bolts, Hex Nuts, Screws, Studs, Threaded Rod, Washer
Type Of Head Hex, Threading, Square, Round
Standard Dimensions Of ASME B18.2.1 And ANSI B18.3

Grade 12.9 Bolt Shear Strength

Diameter Of Bolt
Tensile
Stress
Area
At
Tension
Capacity
Shear
Capacity

Bearing Capacity in kN (Minimum of Pbb and Pbs)
End distance equal to 2 x bolt diameter

Thickness 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

Saudi Aramco approved manufacturer of Grade 12.9 Bolts and Galvanised Class 12.9 Fasteners, view torque spec, properties, proof load, and 12.9 Steel Flange Bolts price list Mumbai.

Grade 12.9 Bolt Torque Chart

Maximum Recommended Tightening Torques
Metric Course Pitch Grade 12.9 Plated Metric Course Pitch Grade 10.9 Plated Metric Course Pitch Grade 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

12.9 High Tensile Bolts manufacturers in India, quick delivery in UK, Australia, Ireland and USA, Buy Class 12.9 Heavy Hex Bolts, Flat Washer and Yfs 12.9 Threaded Rod at factory price


High Tensile Grade 12.9 Stud Bolt 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

12.9 Grade Bolt Price List
Type Of Fasteners Size Length Grade Price In India (INR) Per Unit
Hex Bolts M20 10″ High Tensile Grade 12.9 300.00
Hex Bolts M16 12″ High Tensile Grade 12.9 385.00
Hex Bolts M14 14″ High Tensile Grade 12.9 400.00
Hex Bolts M12 6″ High Tensile Grade 12.9 278.00

Please note this is an approx Price of High Tensile Grade 12.9 Hex Head Bolts in India. For final Grade 12.9 Bolts Price List Please Call on +91 - 22 - 67437342 or drop an Email to info@rajtilakmetal.com


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Size Chart Of Grade 12.9 High Tensile Nuts

Size Of Nut
(millimeter)
Diameter Of
(millimeter)
Height Table
(millimeter)
Hex Nut
Jam Nut
Nylock Nut
2
4
1.6
1.2
-
2.5
5
2
1.6
-
3
5.5
2.4
1.8
4
4
7
3.2
2.2
5
5
8
4
2.7
5
6
10
5
3.2
6
7
11
5.5
3.5
-
8
13
6.5
4
8
10
17
8
5
10
12
19
10
6
12
14
22
11
7
14
16
24
13
8
16
18
27
15
9
18.5
20
30
16
10
20

Size Chart Of ASME SF568 Grade 12.9 Threaded Rod

Size Table Of Grade 12.9 Threaded Rod
per Inch Threads
Frac. [Number]
Decimal
UNC
UNF
1/8 [#6]
0.1380
32
40
5/32 [#8]
0.1640
32
36
3/16 [#10]
0.1900
24
32
1/4
0.2500
20
28
5/16
0.3125
18
24
3/8
0.3750
16
24
7/16
0.4375
14
20
1/2
0.5000
13
20
9/16
0.5625
12
18
5/8
0.6250
11
18
3/4
0.7500
10
16
7/8
0.8750
9
14
1
1.0000
8
12, 14
1 1/8
1.1250
7
12
1 1/4
1.2500
7
12
1 3/8
1.3750
6
12
1 1/2
1.5000
6
12
1 3/4
1.7500
5
–

Size Chart Of BS 3692 Grade 12.9 Set Screw

Size Chart Of BS 3692 Grade 12.9 Set Screw

Carbon Steel 12.9 Fasteners Weight Chart

Weight Chart Of
Machine Screws ( Type 1, 23,) F Or G Tapping Screws
LBS. Per 1000 pieces
Diameters Row
Lengths Row #2 #3 #4 #5 #6 #8 #10 #12 1/4″ 5/16″ 3/8″
1/8 0.40 0.55 0.70 1.1 1.4 — — — — — —
3/16 0.50 0.70 0.90 1.2 1.5 2.5 3.9 — — — —
1/4 0.60 0.80 1.00 1.4 1.7 2.8 4.3 5.6 8.5 — —
5/16 0.60 0.90 1.20 1.5 1.9 3.1 4.6 6.1 9.1 16.7 —
3/8 0.70 0.90 1.30 1.7 2.1 3.4 5.0 6.5 9.8 17.7 29.2
7/16 0.80 1.00 1.50 1.9 2.2 3.6 5.4 6.9 10.4 18.8 30.7
1/2 0.80 1.10 1.60 2.0 2.4 3.9 5.8 7.4 11.1 19.8 32.2
9/16 0.90 1.20 1.70 2.2 2.6 4.2 6.2 7.8 11.7 20.9 33.6
5/8 1.00 1.30 1.80 2.3 2.8 4.5 6.6 8.3 12.4 21.9 35.1
3/4 1.10 1.50 2.10 2.6 3.2 5.0 7.3 9.2 13.6 24.0 38.0
7/8 1.30 1.70 2.30 3.0 3.5 5.6 8.1 10.1 14.9 26.1 41.0
1″ 1.40 1.90 2.50 3.4 3.9 6.2 8.9 11.0 16.1 28.8 44.0
1-1/8″ 1.50 2.00 2.80 3.8 4.3 6.7 9.6 11.9 17.4 30.2 47.0
1-1/4″ 1.60 2.20 3.00 4.1 4.6 7.3 10.4 12.8 18.7 32.3 49.8
1-1/2″ 1.80 2.50 3.50 4.7 5.3 8.3 11.9 14.7 21.2 36.5 55.8
1-3/4″ 2.10 2.90 4.00 5.3 6.1 9.4 13.5 16.5 23.7 40.7 61.7
2″ 2.40 3.30 4.50 6.0 6.8 10.6 15.0 18.3 26.2 44.8 67.6
2-1/4″ 2.60 3.60 5.00 6.7 7.6 11.8 16.6 20.1 28.8 19.0 73.5
2-1/2″ 2.80 3.90 5.50 7.3 8.3 12.9 18.1 22.0 31.3 53.2 79.5
2-3/4″ 3.10 4.30 6.00 7.9 9.1 13.9 19.7 23.8 33.9 57.3 85.3
3″ 3.40 4.70 6.50 8.6 9.8 15.0 21.2 25.6 36.4 61.5 91.3

12.9 Grade Bolts Standard Table

High Tensile Grade 12.9 Hexagon Bolts / Set Screws High Tensile Grade 12.9 Stud Bolts High Tensile Grade 12.9 Hexagon Nuts High Tensile Grade 12.9 Socket Cap Screws
DIN 931 BS4882 DIN 934 DIN 912
DIN 933 DIN 976 BS 1768 DIN 6912
BS 1768 BS 1769 DIN 7984
UNI 5731 BS 1083 ANSI B18.3
UNI 5739 BS 3692 ISO 4762
ISO 4014 ISO 4032 UNI 5931
ISO 4017 ISO 4033 BS 2470
BS 1769 ANSI B18.2.2 BS 4168
BS 3692
ANSI B18.2.1

Grade 12.9 Socket & Slotted Set Screws Grade 12.9 Socket & Slotted Countersunk Screws Grade 12.9 Studs Grade 12.9 Washers
DIN 913 DIN 963 DIN 938 DIN 125
DIN 914 DIN 7991 DIN 939 DIN 9021
DIN 915 BS 4168 DIN 2510 BS 4320
DIN 916 BS 1981 BS 4439 BS 3410
DIN 551 BS 483 BS 2693
DIN 553 BS 2470 Spring Washers
DIN 438 DIN 127
BS 4168 BS 4464
BS 1802

Class 12.9 Carbon Steel Bolts And Nuts Hardness

Grade Of Fasteners Description Of Fasteners Diameter Of Fasteners Tensile Strength, minimum Yield Strength, minimum Hardness, maximum Marking
ASTM A193 B6 S41000 (410) Up to 4” 110 85 B6
ASTM A193 B7 Chromium-Molybdenum 2 1/2” and under 125 105 321 HB or 35 HRC B7
over 2 1/2” to 4” 115 95 321 HB or 35 HRC
over 4” to 7” 100 75 321 HB or 35 HRC
ASTM A193 B7M Chromium-Molybdenum 4” and under 100 80 235 HB or 99 HRB B7M
over 4” to 7” 100 75 235 HB or 99 HRB
ASTM A193 B16 Chromium-Molybdenum- Vanadium 2 1/2” and under 125 105 321 HB or 35 HRC B16
over 2 1/2” to 4” 110 95 321 HB or 35 HRC
over 4” to 8” 100 85 321 HB or 35 HRC
ASTM A193 B8 class 1 S30400 (304) all 75 30 223 HB or 96 HRB B8
ASTM A193 B8 class 2 S30400 (304) 3/4” and under 125 100 321 HB or 35 HRC B8SH
over 3/4” to 1” 115 80 321 HB or 35 HRC
over 1” to 1 1/4” 105 65 321 HB or 35 HRC
over 1 1/4” to 1 1/2” 100 50 321 HB or 35 HRC
ASTM A193 B8C class 1 S34700 (347) all 75 30 223 HB or 96 HRB B8C
ASTM A193 B8C class 2 S34700 (347) 3/4” and under 125 100 321 HB or 35 HRC B8CSH
over 3/4” to 1” 115 80 321 HB or 35 HRC
over 1” to 1 1/4” 105 65 321 HB or 35 HRC
over 1 1/4” to 1 1/2” 100 50 321 HB or 35 HRC
ASTM A193 B8M class 1 S31600 (316) all 75 30 223 HB or 96 HRB B8M
ASTM A193 B8M class 2 S31600 (316) 3/4” and under 110 95 321 HB or 35 HRC B8MSH
over 3/4” to 1” 100 80 321 HB or 35 HRC
over 1” to 1 1/4” 95 65 321 HB or 35 HRC
over 1 1/4” to 1 1/2” 90 50 321 HB or 35 HRC
ASTM A193 B8T class 1 S32100 (321) all 75 30 223 HB or 96 HRB B8T
ASTM A193 B8T class 2 S32100 (321) 3/4” and under 125 100 321 HB or 35 HRC B8TSH
over 3/4” to 1” 115 80 321 HB or 35 HRC
over 1” to 1 1/4” 105 65 321 HB or 35 HRC
over 1 1/4” to 1 1/2” 100 50 321 HB or 35 HRC
ASTM A193 B8R S20910 all 100 55 271 HB or 28 HRC B8R
ASTM A193 B8S S21800 all 95 50 271 HB or 28 HRC B8S

Alloy Steel 12.9 Grade Fasteners DIN To ISO Conversion

DIN ISO DIN ISO DIN ISO
1 2339 916 4029 1481 8752
7 2338 931 4014 6325 8734
84 1207 933 4017 6914 7412
85 1508 934 4032 6915 7414
94 1234 934 8673 6916 7416
125 7089 937 7038 6921 8102
125 7090 960 8765 6923 4161
126 7091 961 8676 6924 7040
417 7435 963 2009 6925 7042
427 2342 964 2010 7343 8750
433 7092 965 7046 7343 8751
438 7436 966 7047 7344 8748
439 4035 971-1 8673 7346 8749
439 4036 971-2 8674 7971 1481
440 7094 980 7042 7972 1482
551 4766 980 10513 7973 1483
553 7434 982 7040 7976 1479
555 4034 982 10512 7977 8736
558 4018 985 10511 7978 8737
580 3266 1434 2341 7979 8733
601 4016 1440 8738 7979 8735
603 8677 1444 2341 7981 7049
660 1051 1471 8744 7982 7050
661 1051 1472 8745 7983 7051
911 2936 1473 8740 7985 7045
912 4762 1474 8741 7991 10462
913 4026 1475 8742 9021 7093
914 4027 1476 8746 11024 7072
915 4028 1477 8747

Stainless Steel Grade 12.9 Bolts Marking

Manufacturer's Mark Grade Marking
Rajtilak Metal Grade 12.9 Bolts

Grade 12.9 Bolts For Sale

Grade 12.9 Galvanised Belleville Washers

Grade 12.9 Galvanised Belleville Washers

Grade 12.9 Stainless Steel Star Washers

Grade 12.9 Stainless Steel Star Washers

Grade 12.9 Carbon Steel Flat Washers

Grade 12.9 Carbon Steel Flat Washers

Class 12.9 High Tensile Split Washers

Class 12.9 High Tensile Split Washers

M20 Grade 12.9 Locking Nuts

M20 Grade 12.9 Locking Nuts

M10 Grade 12.9 Lock Nut

M10 Grade 12.9 Lock Nut

M16 Class 12.9 Heavy Hex Nuts

M16 Class 12.9 Heavy Hex Nuts

En 15048 Eye Nuts

En 15048 Eye Nuts

12.9 High Tensile Screws

12.9 High Tensile Screws

A324 HT Grade 12.9 Self Tapping Screws

A324 HT Grade 12.9 Self Tapping Screws

SA324 Grade 12.9 Wood Screws

SA324 Grade 12.9 Wood Screws

Cold Worked 12.9 Eye Screws

Cold Worked 12.9 Eye Screws

Grade 12.9 Anchor Bolts

Grade 12.9 Anchor Bolts

Class 12.9 Hex Bolts

Class 12.9 Hex Bolts

High Tensile Class 12.9 Heavy Hex Bolts

High Tensile Class 12.9 Heavy Hex Bolts

BS 3692 Grade 12.9 Carriage Bolts

BS 3692 Grade 12.9 Carriage Bolts

We Have Recently Delivered High Tensile Grade 12.9 Hex Head Bolts To The Following Countries:

DIN 912 Class 12.9 Socket Head Cap Screw Philippines, Canada, Malaysia, Singapore
High Tensile Grade 12.9 Bolts Romania, Europe, Japan, Malaysia
Class 12.9 Hex Nuts China, Colombia, Sweden, Malaysia
Class 12.9 Threaded Rod Europe, UAE, United Kingdom -UK, Malaysia
High Tensile Grade 12.9 Stud Bolts Kuwait, Brazil, Saudi Arabia (KSA), South Africa
Grade 12.9 Hex Head Bolts Bahrain, South Africa, Singapore
Grade 12.9 Washers Australia, Philippines, UK, Nigeria
Grade 12.9 Galvanised Belleville Washers Hong Kong, Oman, UAE, Malaysia
Grade 12.9 Carbon Steel Flat Washers Iran, Chile, Singapore, Italy
M16 Class 12.9 Heavy Hex Nuts Norway, Turkey, United Arab Emirates (UAE), Malaysia
M20 Grade 12.9 Locking Nuts Belgium, Philippines, Dammam -KSA, Indonesia.
A324 HT Grade 12.9 Self Tapping Screws France, Qatar, Thailand, Europe
SA324 Grade 12.9 Wood Screws Germany, Czechia, Malaysia, Thailand
Grade 12.9 Anchor Bolts Bangladesh, Finland, USA, Malaysia
Class 12.9 Hex Bolts Dubai, Netherlands, Russia, Malaysia
High Tensile Class 12.9 Heavy Hex Bolts Mexico, Egypt, UK, Spain
BS 3692 Grade 12.9 Carriage Bolts Poland, Canada, UK, Ellington -United States

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Call Now : +91 9869506920


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

Contact our sales representatives in the following countries:
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