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High Tensile Grade 12.9 Hex Head Bolts

DIN 912 Class 12.9 Socket Head Cap Screw Manufacturer In India

Grade 12.9 Bolt

Grade 12.9 Bolt

Class 12.9 Hex Nut

Class 12.9 Hex Nut

Class 12.9 Threaded Bar

Class 12.9 Threaded Bar

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

12.9 Metric Allen Bolt are High tensile steel Fasteners manufactured with minimum 1100MPa yield strength.


Grade 12.9 Bolt Chemical Composition

Carbon Steel 12.9 C P S B
0.28-0.5 0.025 0.025 0.003

Class 12.9 Threaded Bar Mechanical Properties

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

Class 12.9 Hex Nut 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


Grade 12.9 Stud Bolts Specification List

Grade 12.9 Bolts Grades DIN 933 Gr. 12.9
Grade 12.9 Bolts Standard ASTM F568 And ASME SF568
Grade 12.9 Bolts Size Dia 1.6mm to 100 millimeter Inch 3/4" to 3.1/2"
Grade 12.9 Bolts finish Hot dip galvanised / Zinc plated / Plain

Grade 12.9 Washers Dimensions Chart

Washers Thread Washers Weight per metre Washers Strength
Washers Class 70 Washers Class 80
0.2% proof UTS 0.2% proof UTS
Kg/m kN kN kN kN
M12 0.72 41.0 64.0 54.0 73.0
M16 1.31 70.7 109.9 94.2 125.6
M20 2.05 110.3 171.5 147.0 196.0
M24 2.96 158.9 247.1 211.8 282.4
M27 3.83 206.6 321.3 275.4 367.2
M30 4.70 252.6 392.7 336.6 448.8
M33 5.78 312.3 485.8 416.4 555.2
M36 6.84 367.7 571.9 490.2 653.6
M39 8.14 439.2 683.2 585.6 780.8
M42 9.38 504.5 784.7 672.6 896.6
M45 10.90 587.7 914.2 783.6 1044.8
M48 12.32 662.9 1031.1 883.8 1178.4
M52 14.65 791.1 1230.6 1054.8 1406.4

Best price of M12 12.9 Hex Bolt in Mumbai as per BS 3692.


Grade 12.9 Bolt Shear Strength

Diameter
millimeter
Tensile
Area
millimeter2
Tension
Capacity Pt
@
420 N/millimeter2
Shear
Capacity
@
280 N/millimeter2
Bolt Grade = 12.9
Bolts Bearing Capacity in kN for End Distance >= 2d
Bolt Bearing Strength = 876 N/millimeter2
Ply Bearing Strength: = 250 N/millimeter2
Bearing (Ply) Thickness Passed Through, millimeter
Shank
kN
Threads
kN
Single
kN
Double
kN
5
millimeter
6
millimeter
7
millimeter
8
millimeter
9
millimeter
10
millimeter
12.5
millimeter
15
millimeter
20
millimeter
25
millimeter
M 1.6
1.27
0.844
0.533
0.563
1.126
2.0
2.4
2.8
3.2
3.6
4.0
5.0
6.0
8.0
10.0
M 2
2.07
1.32
0.869
0.88
1.76
2.5
3.0
3.5
4.0
4.5
5.0
6.3
7.5
10.0
12.5
M 2.5
3.39
2.06
1.42
1.37
2.74
3.1
3.8
4.4
5.0
5.6
6.3
7.8
9.4
12.5
15.6
M 3
5.03
2.97
2.11
1.98
3.96
3.8
4.5
5.3
6.0
6.8
7.5
9.4
11.3
15.0
18.8
M 4
8.78
5.28
3.69
3.52
7.04
5.0
6.0
7.0
8.0
9.0
10.0
12.5
15.0
20.0
25.0
M 5
14.2
8.25
5.96
5.5
11
6.3
7.5
8.8
10.0
11.3
12.5
15.6
18.8
25.0
31.3
M 6
20.1
11.9
8.44
7.92
15.84
7.5
9.0
10.5
12.0
13.5
15.0
18.8
22.5
30.0
37.5
M 8
36.6
21.1
15.4
14.1
28.2
10.0
12.0
14.0
16.0
18.0
20.0
25.0
30.0
40.0
50.0
M 10
58
33
24.4
22
44
12.5
15.0
17.5
20.0
22.5
25.0
31.3
37.5
50.0
62.5
M 12
84.3
47.5
35.4
31.7
63.4
15.0
18.0
21.0
24.0
27.0
30.0
37.5
45.0
60.0
75.0
(M 14)
115
64.7
48.3
43.1
86.2
17.5
21.0
24.5
28.0
31.5
35.0
43.8
52.5
70.0
87.5
M 16
157
84.4
65.9
56.3
112.6
20.0
24.0
28.0
32.0
36.0
40.0
50.0
60.0
80.0
100.0
(M 18)
192
106.9
80.6
71.3
142.6
22.5
27.0
31.5
36.0
40.5
45.0
56.3
67.5
90.0
112.5
M 20
245
131.9
102.9
88
176
25.0
30.0
35.0
40.0
45.0
50.0
62.5
75.0
100.0
125.0
(M 22)
303
159.7
127.3
106.4
212.8
27.5
33.0
38.5
44.0
49.5
55.0
68.8
82.5
110.0
137.5
M 24
353
190
148.3
126.7
253.4
30.0
36.0
42.0
48.0
54.0
60.0
75.0
90.0
120.0
150.0
(M 27)
459
240.5
192.8
160.3
320.6
33.8
40.5
47.3
54.0
60.8
67.5
84.4
101.3
135.0
168.8
M 30
561
296.9
235.6
197.9
395.8
37.5
45.0
52.5
60.0
67.5
75.0
93.8
112.5
150.0
187.5
(M 33)
694
359.2
291.5
239.5
479
41.3
49.5
57.8
66.0
74.3
82.5
103.1
123.8
165.0
206.3
M 36
817
427.5
343.1
285
570
45.0
54.0
63.0
72.0
81.0
90.0
112.5
135.0
180.0
225.0
(M 39)
976
501.7
409.9
334.5
669
48.8
58.5
68.3
78.0
87.8
97.5
121.9
146.3
195.0
243.8
M 42
1120
581.9
470.4
387.9
775.8
52.5
63.0
73.5
84.0
94.5
105.0
131.3
157.5
210.0
262.5
(M 45)
1300
668
546
445.3
890.6
56.3
67.5
78.8
90.0
101.3
112.5
140.6
168.8
225.0
281.3
M 48
1470
760
617.4
506.7
1013.4
60.0
72.0
84.0
96.0
108.0
120.0
150.0
180.0
240.0
300.0
(M 52)
1760
892
739.2
594.6
1189.2
65.0
78.0
91.0
104.0
117.0
130.0
162.5
195.0
260.0
325.0
M 56
2030
1034.5
852.6
689.6
1379.2
70.0
84.0
98.0
112.0
126.0
140.0
175.0
210.0
280.0
350.0
(M 60)
2360
1187.5
991.2
791.7
1583.4
75.0
90.0
105.0
120.0
135.0
150.0
187.5
225.0
300.0
375.0
M 64
2680
1351.1
1125.6
900.8
1801.6
80.0
96.0
112.0
128.0
144.0
160.0
200.0
240.0
320.0
400.0
(M 68)
3060
1525.3
1285.2
1016.9
2033.8
85.0
102.0
119.0
136.0
153.0
170.0
212.5
255.0
340.0
425.0

View 12.9 grade alloy steel bolts hardness, strength and price list ex Mumbai.

Grade 12.9 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

Manufacturer and supplier of ASTM F568 grade 12.9 Socket Shoulder Screw as per BS4168.

12.9 Grade Bolt Torque Spec

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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