ASTM A193 B8m Bolts

ASME SA 193 B8m Class 2 Studs, Hex Bolt and B8m nuts manufacturer in India.

ASTM A193 B8m Bolts

The steel A193 B8M Bolts must not contain an unspecified element for ordered grade to an extent at which the steel Sa193 B8m bolts conforms to the requirements of another grade for which that particular element is a specified element. The tensile property and hardness property requirements of the ASTM A193 Grade B8m Class 2 Bolts have been discussed in the specification. The tensile strength property requirements of the A193 B8m Cl2 has been highlighted by a full size fasteners, wedge tensile testing. Click on the given link for the A193 B8M Torque Chart

The ASTM A193 B8M specification fasteners such as the A193 B8m Stud Bolts are heavily utilized in industries like petroleum and chemical. The ASTM A193 B8m fasteners often find use in applications that involve the construction industry. Although, the ASTM A193 Gr B8m material is frequently available in national coarse or also referred to as UNC thread pitches, if the ASTM A193 B8m Class 1 Torque are being used in traditional applications, threads are specified in the ASTM A193 B8m Pdf mention 8 threads per inch or tpi for those fasteners which have a diameter above one inch.

 

Which Sort of ASTM A193 B8m Bolts Manufacturer you're trying to find ?

  • Exceptionally experienced and ancient Company: Yes Siddhagiri Metals is one of the oldest Manufacturer of Astm A193 Class 2 Grade B8m Bolts
  • All Sizes and Wall thickness are in Stock so no delay and immediate celerity of material
  • No confinement of least amount; We cherish to supply indeed a single Astm A193 Gr B8m Bolt

 

Fasteners from ASTM A193 B8m Class 1 are similar to Grade B8. But instead of being manufactured from AISI 304 grade stainless steel, the A193 B8 Class 1 has been produced from AISI 316 stainless steel grade. The Type 316 ASTM A193 B8m Class 2 Torque stainless offers superior resistance to corrosion as compared to grade 304 stainless steel. This is due to the added molybdenum content in ASTM A193 B8m Cl2. The addition of molybdenum in the A193 Grade B8 also improves resistance to pitting in chloride ion solutions. The A193 B8 Cl2 bolts demonstrate an increased tensile strength even at high temperatures.

ASTM A193 B8m Class 2 316 grade stainless steel is known to be effective in acidic environments. The use of A193 B8m grade of stainless steel proves highly effective in protecting the fasteners against corrosion caused by acids such as sulfuric, acetic, hydrochloric, formic, and tartaric, as well as acid sulfates and alkaline chlorides. The additional strain hardening operation performed on the A193 B8 Class 2 fasteners not only increases its tensile strength, but also can demonstrate the A193 B8m Class 2 Properties reduced susceptibility to galling.

A193 B8m Class 1 fasteners have been carbide solution treated, on the other hand A193 B8m Class 2 fasteners have been both carbide solution treated as well as strain hardened. The work hardening that occurs during the manufacturing process of A193 B8m Cl.2 fasteners tends to increases their tensile strength. Typically, Sa193 B8m Class 2 fasteners are differentiated by a line under the grade symbol. This line under the grade will appear either on the heads of bolts or the ends of threaded rods. In this case, A193 Gr B8m Class 2 fasteners have been marked as B8MSH with the grade symbol being underlined.

 


Astm a193 b8m bolts

 

ASTM A193 Bolts Studs Manufacturer Specifications

Specification ChecklistASTM A193 Grade B8m Class 2 Bolts
Type Of ASTM A193 B8m hex head bolts Threads:BSW And BSF & METRIC And UNC
Standard Dimensions Of:ISO 14585C/ DIN 7973C/ DIN 7983C/ ISO 2009/ ASME B18.3.1M/ ASME B18.6.3
Provide Multiple Payment Online Options?Yes
Different Types Of ASTM A193 B8m Heavy Hex Bolts HeadPan/ Flat/ Oval/ Phillips/ Hex Head bolts
Process Of Making Bolts And Nuts Heat Treatment/ Surface Plating/ Cold Heading/ Insert tapping/ Wire Drawing
Available TypesTruss head/ Round/ Oval/ Hex Head/ Pan
Call, For ASTM A193 B8m stud bolts Free SampleNuts And Bolts (Some Pieces)
B8m Class 2 Bolts ISO And British StandardISO 10642 And BS 57
Length Of Bolts3 millimeter to 200 millimeter

 

Manufacturer and supplier of ASTM A193 gr B8m CL1 Threaded Rod in Both Metric and Imperial (BSW, BSF, BA, UNC & UNF) Thread Forms in Mumbai.

 

Grade B8M Class 2 Threaded Rod Price List

SizeGradeMaterialType Of ProductPrice In INR Per KG
5/8 UncA193 Grade B8m Class 2Stainless SteelThreaded Rod238.00
1 UncStainless SteelThreaded Rod348.00
7/8 UncStainless SteelThreaded Rod568.00
1-1/2 8 UncStainless SteelThreaded Rod847.00
1-3/8 8 UncStainless SteelThreaded Rod1220.00

One of India’s largest Manufacturer Of ASTM A193 Grade B8m Class 2 Bolts in India. For final ASME SA 193 B8m CL1 Studs Price List Please Call on +91(22) – 6743 8321 or drop an E-Mail : enquiry@siddhagirimetals.com.

 

Difference Between B8m Class 1 And Class 2?

The ASTM A193 B8m Bolts specification covers both alloy steel as well as stainless steel bolting material. The bolting produced from ASTM A193 Grade B8m Bolts are meant to be used for applications in pressure vessels, valves, flanges, and fittings. Typically, the ASTM A193 B8m Class 1 Bolts is used for high temperature or high pressure service, as well as for other special purpose applications. Ferritic steels which fall under the ASTM A193 Grade B8m Class 2 Bolts category must be properly heat treated as, what best suits the high temperature features of each grade. Immediately after rolling or forging, the bolting ASTM A193 B8m Torque material has to be allowed to be cooled.

ASTM A193 Grade B8m Class 2 Bolts

ASTM A193 Grade B8m Class 2 Bolts

ASME SA 193 B8m CL1 Hex Nut

ASME SA 193 B8m CL1 Hex Nut

 Grade B8M Studs

Grade B8M Studs

 

ASME SA 193 B8m CL1 Studs Size Chart

Type BoltsSize BoltsType Of Property ClassTensile And Yield StrengthStandard
ASTM A193 Grade B8m Class 2 Bolts/ Hex Nut/ Screws Threaded Rod/ StudsMetric 4 to Metric 8010.91040N / mm2 minimumISO 4014 (Half Thread) And ISO 4017 (Full Thread)

 

astm a193 grade b8m class 2 bolts supplier

 

ASTM A193 Grade B8m Class 2 Bolts Dimensions Formula

ASTM A193 Grade B8m Class 2 Bolts Dimensions Formula
Nominal Size Of (D) Thickness Of Head Body Diameter Of Bolts ASTM A193 B8M Bolts Across The Flats ASTM A193 B8M Bolts Across Corners
MAXIMUM (H) MINIMUM (H) MAXIMUM (D) MINIMUM (D) MAXIMUM (F) MINIMUM (F) MAXIMUM (C) MINIMUM (C)
M 10 6.063 6.017 10.000 9.078 17.000 15.073 18.048 17.077
M 12 7.076 4.024 12.000 11.073 19.000 17.073 20.078 20.003
M 14 9.009 8.051 14.000 13.073 22.000 20.067 24.025 23.035
M 16 10.032 9.068 16.000 15.073 24.000 23.067 27.071 26.075
M 20 12.088 12.012 20.000 19.067 30.000 29.016 34.064 32.095
M 24 15.044 14.056 24.000 23.067 36.000 35.000 41.057 39.055
M 30 19.048 17.092 30.000 29.067 46.000 45.000 53.012 50.085
M 36 23.038 21.063 36.000 35.061 55.000 53.080 63.051 60.079
M 42 26.097 25.003 42.000 41.038 65.000 62.090 75.006 71.071
M 48 31.007 28.093 48.000 47.038 75.000 72.060 86.060 82.076
M 56 36.02 33.080 56.000 55.026 85.000 82.020 98.015 93.071
M 64 41.032 38.068 64.000 63.026 95.000 91.080 109.070 104.065
M 72 46.045 43.055 72.000 71.026 105.000 101.040 121.024 115.060
M 80 51.058 48.042 80.000 79.026 115.000 111.000 132.072 126.054
M 90 57.074 54.026 90.000 89.013 130.000 125.050 150.011 143.007
M 100 63.09 60.010 90.000 99.013 145.000 140.000 167.043 159.060

 

SA 193 Grade B8M Heavy Hex Bolts Dimensions with Tolerances

SA 193 Grade B8M Heavy Hex Bolts Dimensions with Tolerances
Diameter Of (D)
Heavy Hex Bolts Across the Flats (F)
Body Diameter Of Heavy Hex Bolts (D)
Height Of (H) Head
Heavy Hex Bolts Across the Corners ©
Lengths Of (T) Thread
MAXIMUM
MINIMUM
MAXIMUM
MINIMUM
MAXIMUM
MINIMUM
MAXIMUM
MINIMUM
< 6”
> 6”
1/2
0.0875
0.085
0.0515
0.0482
0.0364
0.0302
1.001
0.0969
1.025
1.05
5/8
1.0062
1.0031
0.0642
0.0605
0.0444
0.0378
1.0227
1.0175
1.05
1.075
3/4
1.025
1.0212
0.0768
0.0729
0.0524
0.0455
1.0443
1.0383
1.075
2
7/8
1.0438
1.0394
0.0895
0.0852
0.0604
0.0531
1.066
1.0589
2
2.025
1
1.0625
1.0575
1.0022
0.0976
0.07
0.0591
1.0876
1.0796
2.025
2.05
1 1/8
1.0812
1.0756
1.0149
1.0098
0.078
0.0658
2.0093
2.0002
2.05
2.075
1 1/4
2
1.0938
1.0277
1.0223
0.0876
0.0749
2.0309
2.0209
2.075
3
1 3/8
2.0188
2.0119
1.0404
1.0345
0.094
0.081
2.0526
2.0416
3
3.025
1 1/2
2.0375
2.03
1.0531
1.047
1.0036
0.0902
2.0742
2.0622
3.025
3.05
1 3/4
2.075
2.0662
1.0785
1.0716
1.0196
1.0054
3.0175
3.0035
3.075
4
2
3.0125
3.0025
2.0039
1.0964
1.0388
1.0175
3.0608
3.0449
4.025
4.05
2 1/4
3.05
3.0388
2.0305
2.0214
1.0548
1.0327
4.0041
3.0862
4.075
5
2 1/2
3.0875
3.075
2.0559
2.0461
1.0708
1.0479
4.0474
4.0275
5.025
5.05
2 3/4
4.025
4.0112
2.0827
2.0711
1.0869
1.0632
4.0907
4.0688
5.075
6
3
4.0625
4.0475
3.0081
2.0961
2.006
1.0815
5.034
5.0102
6.025
6.0

 

Grade B8M Bolts Size Chart In MM

Normal DiameterSize Of NutsDiameter In MillimeterPITCH In MillimeterDiameter In Inches
(Metric) M1017101.50.3937
(Metric) M1219121.750.4724
(Metric) M14221420.5512
(Metric) M16241620.6299
(Metric) M1827182.50.7087
(Metric) M2030202.50.7874
(Metric) M2232222.50.8661
(Metric) M24362430.9449
(Metric) M27412731.063
(Metric) M3046303.51.1811
(Metric) M3350333.51.2992
(Metric) M36553641.4173
(Metric) M39603941.5354
(Metric) M4265424.51.6535
(Metric) M4570454.51.7717
(Metric) M48754851.8898
(Metric) M52805252.0472
(Metric) M5685565.52.2047
(Metric) M6090605.52.3622
(Metric) M64956462.5197
(Metric) M681006862.6772
(Metric) M721057262.8346
(Metric) M761107662.9921
(Metric) M801158063.1496
(Metric) M851208563.3464
(Metric) M901309063.5433
(Metric) M10014510063.937
(Metric) M11015511064.3307
(Metric) M12518012564.9212
(Metric) M14020014065.5118
(Metric) M16023016066.2992

 

We Stock and Supplies ASME SA193 B8M Nuts as per international standards, See A193 B8M Bolt Torque Chart and Yield Strength.

 

ASTM A193 B8m Class 2 Torque Chart

Diameter Of Bolts
Torque Weight In LBS
Torques Of 70%
Torques Of 30% Initial
Torques Of 100% Final
1/2
36
16
52
9/16
53
23
75
5/8
73
31
104
3/4
129
55
184
7/8
166
71
237
1
249
107
356
1.1/8
297
127
424
1.1/4
417
179
596
1.3/8
435
186
622
1.1/2
574
246
821
1.9/16
392
168
560
1.5/8
445
191
636
1.3/4
561
240
801
1.7/8
696
298
994
2
853
366
1219
2.1/4
1234
529
1762
2.1/2
1709
733
2442
2.3/4
2300
986
3285
3
3008
1289
4297

 

A193 B8M Material Recommended Nuts And Washers

Grade Of BoltsGrade Of NutsGrade Of Washers
ASTM A193 Grade B8M/ B8MA/ B8M2/ B8M3ASTM A194 Grade 8M/ 8MASS 316

 

SA193 B8m Fasteners Temperature Range

Specification Of Bolts
Type Of Grade
Temperature Ratings
800
700
650
750
900
850
1000
950
1050
1100
427
371
343
399
482
454
538
510
566
593
ASTM A320 Bolts
L7
25
25
ASTM A193
B16
ASTM A193 Bolts
B6
19.05
21.02
21.02
21.02
12
15.06
B7(*)
B7M
21
25
25
23.06
12.05
17
4.05
8.05
(*)
18.05
20
20
20
12.05
16.02
4.05
8.05
B8-CL1
10.05
11
11.02
10.08
10.01
10.03
9.09
B8-CL2
25
(* *)
25
25
25
25
20.05
23.05
11
16
6.03
2.08
BS
B17B
19.08
19.08
20
19.08
19.07
19.07
19.04
19.06
19.03
16.06
ASTM 453 Bolts
660
19.09
20.01
20.02
20
19.09
19.09
19.08
19.08

 

Compare A193 B8M Heavy Hex Bolts Price List, before buying A193 B8M Material, View Dimesions and weight chart.

 

ASME SA193 B8M Bolts Weight Chart

Weight Of Bolts Approximate In Kilogram
Length Of Bolts Diameter Of Bolts
  Metric 6 Metric 5 Metric 8 Metric 16 Metric 12 Metric 10 Metric 14 Metric 20 Metric 18 Metric 22
16 millimeter   0.0743 0.0448 1.0590 3.0211
20 millimeter   0.0812 0.0598 1.0711 4.0892 3.0411
25 millimeter   0.0897 0.0660 1.0871 5.0252 3.0660 8.0170
30 millimeter   1.0010 0.0737 2.0070 10.0707 5.0574 3.0912 9.0690 18.0657
35 millimeter   1.0120 0.0804 2.0271 11.0416 5.0974 4.0223 10.0000 19.0608 16.0026
40 millimeter   1.0230 0.0881 2.0470 12.0107 6.0410 4.0533 10.0288 20.0747 16.0667
45 millimeter   1.0340 0.0958 2.0671 12.0821 6.0859 4.0840 10.0504 21.0739 17.0241
50 millimeter   1.0450 1.0030 2.0870 13.0624 7.0299 5.0155 11.0261 22.0727 17.0857 28.0409
55 millimeter 1.0560 3.0071 14.0409 7.0740 5.0464 11.0628 23.0810 18.0868 30.0120
60 millimeter 1.0670 3.0270 15.0244 8.0183 5.0774 12.0255 25.0126 20.0000 32.0051
65 millimeter 1.0781 3.0472 16.0026 8.0621 6.0083 12.0626 26.0455 21.0008 34.0014
70 millimeter 1.0890 3.0671 16.0835 9.0058 6.0394 12.0987 27.0778 22.0124 35.0461
75 millimeter 2.0000 3.0873 17.0606 9.0506 6.0702 13.0228 29.0070 23.0256 39.0063
80 millimeter 2.0111 4.0072 18.0248 10.0000 7.0013 13.0889 30.0303 24.0510 40.0000
90 millimeter 4.0472 19.0841 10.0917 7.0634 14.0925 33.0113 26.0042 41.0667
100 millimeter 4.0873 21.0459 11.0820 8.0251 16.0340 35.0714 27.0778 46.0296
110 millimeter 23.0041 12.0723 8.0881 17.0730 38.0168 31.0250 47.0170
120 millimeter 24.0631 13.0624 9.0506 18.0797 40.0984 32.0895 50.0000
130 millimeter 26.0316 14.0535 10.0101 20.0000 43.0478 34.0722 52.0632
140 millimeter 27.0933 15.0432 10.0707 20.0833 46.0296 35.0461 55.0556
150 millimeter 29.0412 16.0340 11.0312 22.0222 48.0544 37.0594 58.0824
160 millimeter 31.0056 17.0241 11.0905 24.0272 50.0505 40.0984 61.0728
170 millimeter 32.0680 18.0116 12.0500 53.0191 64.0935
180 millimeter 34.0247 19.0011 13.0123 26.0882 55.0556 67.0568
190 millimeter 35.0971 19.0920 13.0736 58.0140 70.0423
200 millimeter 37.0594 20.0833 14.0327 29.0586 60.0976 49.0020 73.0529
220 millimeter 40.0650 22.0624 15.0528 65.0789 79.0365
240 millimeter 43.0860 24.0510 16.0722 71.0429 84.0746
250 millimeter 45.0455 25.0381 17.0301 74.0627 87.0719
260 millimeter 47.0170 26.0316 17.0921 76.0923 90.0909
280 millimeter 50.0505 28.0090 19.0157 81.0967 98.0039
300 millimeter 53.0763 29.0940 20.0325 87.0719 104.0167
320 millimeter 56.0818 31.0646 92.0593
340 millimeter 60.0241 33.0557 98.0039
360 millimeter 63.0291 35.0211 104.0167
380 millimeter 66.0667 37.0037 108.0696
400 millimeter 69.0444 39.0063 113.0636

 

A trusted supplier & exporter of ASME SA193 B8M Bolts buy many Petrochemical, Oil & Gas companies.

 

ASTM A193 Grade B8m Class 2 Bolts Ready Stock

ASTM A193 Grade B8m Socket Head Screws
ASTM A193 Grade B8m Socket Head Screws
ASTM A193 B8m Washers
ASTM A193 B8m Washers
Stainless Steel Grade B8m Nuts
Stainless Steel Grade B8m Nuts
ASTM A193 B8m Class 2 Machine Screws
ASTM A193 B8m Class 2 Machine Screws
ASTM A193 Bolts Studs
ASTM A193 Bolts Studs
ASME SA193 B8m Class 1 Threaded Rod
ASME SA193 B8m Class 1 Threaded Rod

 

ASTM A193 B8M Bolts Head Style

ASTM A193 B8M Bolts Head Style

 

ASTM A193 B8m socket head cap screw Dimensions

ASTM A193 B8m socket head cap screw Dimensions
D Nominal Size
Body Of Diameter
Head Thick.
Flats Acrosses
Bolts Corners Acrosses
D (Maxi.0) D (Minimum) H (Maxi.0) H (Minimum) F (Maxi.0) F (Minimum) C (Maxi.0) C (Mini.0)
M10 10.000 9.078 6.063 6.017 17.000 15.073 18.048 17.077
M12 12.000 11.073 7.076 4.024 19.000 17.073 20.078 20.003
M14 14.000 13.073 9.009 8.051 22.000 20.067 24.025 23.035
M16 16.000 15.073 10.032 9.068 24.000 23.067 27.071 26.075
M20 20.000 19.067 12.088 12.012 30.000 29.016 34.064 32.095
M24 24.000 23.067 15.044 14.056 36.000 35.000 41.057 39.055
M30 30.000 29.067 19.048 17.092 46.000 45.000 53.012 50.085
M36 36.000 35.061 23.038 21.063 55.000 53.080 63.051 60.079
M42 42.000 41.038 26.097 25.003 65.000 62.090 75.006 71.071
M48 48.000 47.038 31.007 28.093 75.000 72.060 86.060 82.076
M56 56.000 55.026 36.02 33.080 85.000 82.020 98.015 93.071
M64 64.000 63.026 41.032 38.068 95.000 91.080 109.070 104.065
M72 72.000 71.026 46.045 43.055 105.000 101.040 121.024 115.060
M80 80.000 79.026 51.058 48.042 115.000 111.000 132.072 126.054
M90 90.000 89.013 57.074 54.026 130.000 125.050 150.011 143.007
M100 90.000 99.013 63.09 60.010 145.000 140.000 167.043 159.060

 

Astm A193 B8m Class 2 Bolts Drive Style

Alloy C276 Fasteners Custom Drive Style

 

A193 B8m Class 1 Flat Washer Dimensions

A193 B8m Class 1 Flat Washer Dimensions
Size Of Flat Washer
USS
SAE
I.D. (Inside Diameter) Of
(A)
O.D. (Outside Diameter) Of
(B)
Wall Thickness Of
(C)
I.D. Of
(A)
O.D. Of
(B)
Wall 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"

 

Thread style of Astm A193 Grade B8m Bolts

Thread style of Astm A193 Grade B8m Bolts

 

ASTM A193 B8m hex screw size chart

A193 B8M Screw size chart

 

SA193 B8M Stud Bolts Dimensions Schedule

ASME SB 574 Hastelloy C276 Stud Bolts Dimensions
Diameter Of Stud Bolts Studs Bolts
Plain
UNC8UN
1/2 Inch19568-
5/8 Inch19569-
3/4 Inch19570
7/8 Inch19571-
1 Inch19572-
11/8 Inch1957313979
11/4 Inch1957413980
13/8 Inch1965613981
11/2 Inch1965713982
13/4 Inch1965813983
2 Inch1965913984

 

Gr B8m Hex Nuts Dimensions

Gr B8m Hex Nuts Dimensions
Thread Diameter Of Nominal Size NutDiameter Of (F)Diameter Of (G)Diameter Of (H)
Hex Nut Width
Across Flats
Hex Nut Width
Across Corners
Wall Thickness
BasicMaximumMinimumMaximumMinimumBasicMaximumMinimum
1/4.25007/16.438.428.505.4887/32.226.212
5/16.31251/2.500.489.577.55717/64.273.258
3/8.37509/16.562.551.650.62821/64.337.479
7/16.437511/16.688.675.794.7683/8.385.365
1/2.50003/4.750.736.866.8407/16.448.427
9/16.56257/8.875.8611.010.98231/64.496.473
5/8.625015/16.938.9221.0831.05135/64.559.535
3/4.75001-1/81.1251.0881.2991.24041/64.665.617
7/8.87501-5/161.3121.2691.5161.4473/4.776.724
11.00001-1/21.5001.4501.7321.65355/64.887.831
1-1/81.12501-11/161.6881.6311.9491.85931/32.999.939
1-3/81.37502-1/162.0621.9942.3822.2731-11/641.2061.138
1-1/21.5002-1/42.2502.1752.5982.4801-9/321.ASTM A194 GR. 81.245
1-5/81.62502-7/162.4382.3562.8152.6861-25/641.4291.353
1-3/41.75002-5/82.6252.5383.0312.8931-1/21.5401.460
22.000033.0002.9003.4643.3061-23/321.7631.675
2-1/42.25003-3/83.3753.2633.8973.7191-15/161.9861.890
2-1/22.50003-3/43.7503.6254.3304.1332-5/322.2092.105
2-3/42.75004-1/84.1253.9884.7634.5462-3/82.4312.319

 

Dimensions chart of Astm A193 Grade B8m Threaded Rod

Dimensions chart of Astm A193 Grade B8m Threaded Rod
D

P
(mm)

D

P
(mm)

M For Metric 20.4M For Metric 201.5/2.5
M For Metric 2.50.45M For Metric 221.5/2.5
M For Metric 30.5M For Metric 242/3
M For Metric 3.50.6M For Metric 272/3
M For Metric 40.7M For Metric 302/3.5
M For Metric 50.8M For Metric 332/3.5
M For Metric 61M For Metric 363/4
M For Metric 81/1.25M For Metric 393/4
M For Metric 101/1.25/1.5M For Metric 423/4.5
M For Metric 121.25/1.5/1.75M For Metric 453/4.5
M For Metric 141.5/2M For Metric 483/5
M For Metric 161.5/2M523/5
M181.5/2.5

 

SA193 B8M Square Bolts Dimensions

SA193 B8M Square Bolts Dimensions
Square Bolts Dimensions
Size Of Square BoltsA (maximum)BC (minimum)DEF
Thread Length
for Bolts Length
maximumminimum6" and
shorter
over 6"
1/4 Inches0.2603/80.49811/640.030.010.7501.000
5/16 Inches0.3241/20.66513/640.030.010.8751.125
3/8 Inches0.3889/160.7471/40.030.011.0001.250
7/16 Inches0.4525/80.82819/640.030.011.1251.375
1/2 Inches0.5153/40.99521/640.030.011.2501.500
5/8 Inches0.64215/161.24427/640.060.021.5001.750
3/4 Inches0.7681-1/81.4941/20.060.021.7502.000
7/8 Inches0.8951-5/161.74219/320.060.022.0002.250
1 Inches1.0221-1/21.99121/320.090.032.2502.500
1-1/8 Inches1.1491-11/162.2393/40.090.032.5002.750
1-1/4 Inches1.2771-7/82.48927/320.090.032.7503.000
1-3/8 Inches1.4042-1/162.73829/320.090.033.0003.250
1-1/2 Inches1.5312-1/42.98610.090.033.2503.500

 

Size Chart of ASTM A193 B8M Nuts

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

 

Know The Delivery Strength Of Your Supplier First

France, Europe, Thailand, QatarASTM a193 b8M hex bolts
Indonesia, Philippines, Belgium, Dammam -KSAASTM A193 Grade B8M Class 2 Bolts
USA, Bangladesh, Finland, MalaysiaASTM A193 B8m Flange bolts
Germany, Thailand, Malaysia, CzechiaGrade B8M CL 2 Studs
South Africa, Singapore, Singapore, BahrainA193 Grade B8M Class 2 Threaded Rod
Saudi Arabia (KSA), Kuwait, Brazil, South AfricaASTM A193 B8m rivets
Malaysia, Hong Kong, UAE, OmanASTM A193 Bolts Studs and Rods
Australia, UK, Nigeria, PhilippinesASTM A193 B8M Bolts
Turkey, Norway, Malaysia, United Arab Emirates (UAE)Astm A193 B8m Fasteners
Italy, Iran, Singapore, ChileASTM A193 B8m set screws
Malaysia, Russia, Dubai, NetherlandsASTM A193 B8m screw
Europe, Malaysia, UAE, United Kingdom -UKASTM A193 B8m u bolts

 

ASTM A193 B8m socket head bolt Chemical Properties

Element ASTM A193 Grade B8M Bolts ASTM A193 Grade B8MM Bolts
Sulfur, maximum 0.030% 0.030%
Molybdenum 2.00 - 3.00%
Carbon 0.08% maximum 0.08% maximum
Manganese 2.00% maximum 2.00% maximum
Phosphorus, maximum 0.045% 0.045%
Silicon 1.00% maximum 1.00% maximum
Chromium 18.0 - 20.0% 16.0 - 18.0%
Nickel 8.0 - 11.0% 10.0 - 14.0%

 

Mechanical Properties of ASTM A193 B8m spring

Grade Size RA % minimum Yield, ksi, minimum Tensile ksi, minimum Elong, %, minimum
ASTM A193 Grade B8MM Class 2 Stud Up to 3/4 45 95 110 15
7/8 - 1 45 80 100 20
1-1/8 - 1-1/4 45 65 95 25
1-3/8 - 1-1/2 45 50 90 30
ASTM A193 Grade B8M Class 1 Hex Nut All 50 30 75 30
ASTM A193 Grade B7 Hex Nut Up to 2-1/2 50 105 125 16
2-5/8 - 4 50 95 115 16
4-1/8 - 7 50 75 100 18
ASTM A193 Grade B8M Class 2 Nut Up to 3/4 35 100 125 12
7/8 - 1 35 80 115 15
1-1/8 - 1-1/4 35 65 105 20
1-3/8 - 1-1/2 45 50 100 28
ASTM A193 Grade B8MM Class 1 Hex Bolts All 50 30 75 30