Grade 12.9 Bolts

What is Grade 12.9 Bolts

Grade 12.9 bolts are technically the most ductile and durable alloys. Grade 12.9 bolts are commonly used for various applications. These grades are manufactured for high temperatures. Grade 12.9 bolts are considered the most malleable grade, providing extreme protection from different chemical procedures.

Grade 12.9 bolts are commonly used for various types of applications, and these bolts are ISO approved and have high tensile and yield strength. These bolts are available in multiple finishes, such as hot-dip galvanized and zinc plated.

Grade 12.9 Bolts, Class 12.9 Threaded Bar, High Tensile Grade 12.9 Stud Bolts, Class 12.9 Hex Nut dimensions, 12.9 Hex Head Bolts, ASME SF568 Grade 12.9 Bolts manufacturer in Mumbai, Maharashtra, India.

Sumit Impex is an astonishing manufacturer and supplier of grade 12.9 bolts. We supply these bolts globally, and we manufacture these bolts considering international and national standards.

Grade 12.9 bolts are commonly used to join two objects together, creating permanent or temporary joints between objects. These bolts are super-efficient and practical for cold as well as hot workings. These bolts are known for providing excellent stability at high and low temperatures. Grade 12.9 provides resistance from various chemical and physical reactions. These grades offer resistance from corrosion, crevice corrosion, and stress cracking.

Specification:- Grade 12.9 Bolts

SpecificationASTM F568, ASME SF568
StandardDIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards
SizeM3 - M100 | 3/6″ - 4″ | Custom Sizes
Fasteners Length3 mm - 200 mm | Custom Sizes
Nuts SizeM3 - M56 | 3/6" to 2" | Custom Sizes
Washers SizeM3 - M56 | 3/6" to 2" | Custom Sizes
DimensionsDIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Threads availableUNF, BSW, BSF, METRIC, UNC, or as required
Threads ConfigurationASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
FormHex, Threading, Square, Round as per Gauge Etc.
HeadHex, Square, Round, Hex flange, Flat, T-head & Triangular etc.
Neck typeHex, Square, Triangular, Oval & Knurled etc.
Surface CoatingBlack Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request
Manufacturing ProcessWire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.

Chemical Composition:- Grade 12.9 Bolts

GradeCPSB
12.9 Grade0.28-0.50.0250.0250.003

Mechanical Properties:- Grade 12.9 Bolts

GradesSize RangePS [MPa]YS (min) [MPa]TS (min) [MPa]Hardness [Rockwell]
Class 12.91.6–10097011001220C39-44

Dimensions:- Grade 12.9 Bolts

Bolts Dimensions

Nominal Size or Basic Product DiameterFull-Size Body Diameter, EWidth Across Flats, FWidth Across Corners, GHead Height, H BasicRadius of Fillet, RNominal Thread Length for Bolt Lengths, LT
inchmmMaxMinBasic inchMaxMinMaxMinBasic inchMaxMinMaxMin6 in. and ShoterOver 6 in.
1⁄40.250.260.2377⁄160.4380.4250.5050.48411⁄640.1880.150.030.010.751
5⁄160.31250.3240.2981⁄20.50.4840.5770.5527⁄320.2350.1950.030.010.8751.125
3⁄80.3750.3880.369⁄160.5620.5440.650.621⁄40.2680.2260.030.0111.25
7⁄160.43750.4520.4215⁄80.6250.6030.7220.68719⁄640.3160.2720.030.011.1251.375
1⁄20.50.5150.4823⁄40.750.7250.8660.82611⁄320.3640.3020.030.011.251.5
5⁄80.6250.6420.60515⁄160.9380.9061.0831.03327⁄640.4440.3780.060.021.51.75
3⁄40.750.7680.72911⁄81.1251.0881.2991.241⁄20.5240.4550.060.021.752
7⁄80.8750.8950.8521 5⁄161.3121.2691.5161.44737⁄640.6040.5310.060.0222.25
111.0220.9761 1⁄21.51.451.7321.65343⁄640.70.5910.090.032.252.5
1 1⁄81.1251.1491.0981 11⁄161.6881.6311.9491.8593⁄40.780.6580.090.032.52.75
1 1⁄41.251.2771.2231 7⁄81.8751.8122.1652.06627⁄320.8760.7490.090.032.753
1 3⁄81.3751.4041.3452 1⁄162.0621.9942.3822.27329⁄320.940.810.090.0333.25
1 1⁄21.51.5311.472 1⁄42.252.1752.5982.4811.0360.9020.090.033.253.5
1 5⁄81.6251.6581.5912 7⁄162.4382.3562.8152.6161 3⁄321.1160.9780.090.033.53.75
1 3⁄41.751.7851.7162 5⁄82.6252.5383.0312.8931 5⁄321.1961.0540.120.043.754
1 7⁄81.8751.9121.8392 13⁄162.8122.7193.2483.0991 1⁄41.2761.130.120.0444.25
222.0391.964332.93.4643.3061 11⁄321.3881.1750.120.044.254.5
2 1⁄42.252.3052.2143 3⁄83.3753.2623.8973.7191 1⁄21.5481.3270.190.064.755
2 1⁄22.52.5592.4613 3⁄43.753.6254.334.1331 21⁄321.7081.4790.190.065.255.5
2 3⁄42.752.8272.7114 1⁄84.1253.9884.7634.5461 13⁄161.8691.6320.190.065.756
333.0812.9614 1⁄24.54.355.1964.95922.061.8150.190.066.256.5
3 1⁄43.253.3353.214 7⁄84.8754.7125.6295.3722 3⁄162.2511.9360.190.066.757
3 1⁄23.53.5893.4615 1⁄45.255.0756.0625.7862 5⁄162.382.0570.190.067.257.5
3 3⁄43.753.8583.7265 5⁄85.6255.4376.4956.1982 1⁄22.5722.2410.190.067.758
444.1113.975665.86.9286.6122 11⁄162.7642.4240.190.068.258.5

Stud Bolt Dimensions

Nominal Size Diameter, D inchTap End Full Thread Length, BMUmax = 2PMinimum Nut End Full Thread Length, Bmin
NominalMin.Max.UNC & NC-5 ThreadUNF Thread8UN ThreadL ≤ 1010 < L ≤ 16L > 16
1/40.3750.3500.4000.1000.071...0.7501.0001.500
5/160.4690.4400.4980.1110.083--0.8751.1251.625
3/80.5630.5320.5940.1250.083--1.0001.2501.750
7/160.6560.6200.6920.1430.100--1.1251.3751.875
1/20.7500.7080.7920.1540.100--1.2501.5002.000
9/160.8440.8020.8960.1670.111--1.3751.6252.125
5/80.9380.8920.9830.1820.111--1.5001.7502.250
3/41.1.251.0751.1750.2000.125--1.7502.0002.500
7/81.3131.2581.3680.2220.143--2.0002.2502.750
11.5001.4381.5620.2500.167--2.2502.5003.000
1 1/81.6881.6251.7500.2860.1670.2502.5002.7503.250
1 1/41.8751.8131.9380.2860.1670.2502.7503.0003.500
1 3/82.0632.0002.1250.3330.1670.2503.0003.2503.750
1 1/22.2502.1882.3130.3330.1670.2503.2503.5004.000
1 5/82.4382.3752.500----0.2503.5003.7504.250
1 3/42.6252.5632.6880.400--0.2503.7504.0004.500
1 7/82.8132.7502.875----0.2504.0004.2504.750
23.0002.9253.0750.444--0.2504.2504.5005.000
2 1/43.3753.3003.4500.444--0.2504.7505.0005.500
2 1/23.7503.6753.8250.500--0.2505.2505.5006.000
2 3/44.1254.0504.2000.500--0.2505.7506.0006.500
34.5004.4254.5750.500--0.250--6.5007.000
3 1/44.8754.7754.9750.500--0.250--7.0007.500
3 1/25.2505.1505.3500.500--0.250--7.5008.000
3 3/45.6255.5255.7250.500--0.250--8.0008.500
46.0005.9006.1000.500--0.250--8.5009.000

Nut Dimensions

Nominal Size inchBasic Major Diameter of ThreadWidth Across Flats, FWidth Across Corners, GThickness Heavy Hex Nuts, HThickness Heavy Hex Jam Nuts, H1Maximum Runout of Bearing Surface to Thread Axis, FIM
Heavy HEX NUTSHeavy Hex Jam Nuts
Specified Proof load
Basic inchMin.MaxMin.MaxBasic inchMin.MaxBasic inchMin.MaxUp to 150,000 psi150,000 psi and GreaterAll Strength Levels
1/40.25001/20.4880.5000.5560.57715/640.2180.25011/640.1560.1880.0170.0110.017
5/160.31259/160.5460.5620.6220.65019/640.2800.31413/640.1860.2200.0200.0120.020
3/80.375011/160.6690.6880.7630.79423/640.3410.37715/640.2160.2520.0210.0140.021
7/160.43753/40.7280.7500.8300.86627/640.4030.44117/640.2470.2850.0220.0150.022
1/20.50007/80.8500.8750.9691.01031/640.4640.50419/640.2770.3170.0230.0160.023
9/160.562515/160.9090.9381.0371.08335/640.5260.56821/640.3070.3490.0240.0170.024
5/80.62501 1/161.0311.0621.1751.22739/640.5870.63123/640.3370.3810.0250.0180.025
3/40.75001 1/41.2121.2501.3821.44347/640.7100.75827/640.3980.4460.0270.0200.027
7/80.87501 7/161.3941.4381.5891.66055/640.8330.88531/640.4580.5100.0290.0220.029
11.00001 5/81.5751.6251.7961.87663/640.9561.01235/640.5190.5750.0310.0240.031
1 1/81.12501 13/161.7561.8122.0022.0931 7/641.0791.13939/640.5790.6390.0330.0270.033
1 1/41.250021.9382.0002.2092.3091 7/321.1871.25123/320.6870.7510.0350.0300.035
1 3/81.37502 3/162.1192.1882.4162.5261 11/321.3101.37825/320.7470.8150.0380.0330.038
1 1/21.50002 3/82.3002.3752.6222.7421 15/321.4331.50527/320.8080.8800.0410.0360.041
1 5/81.62502 9/162.4812.5622.8282.9591 19/321.5561.63229/320.8680.9440.0440.0380.044
1 3/41.75002 3/42.6622.7503.0353.1751 23/321.6791.75931/320.9291.0090.0480.0410.048
1 7/81.87502 15/162.8442.9383.2423.3921 27/321.8021.8861 1/320.9891.0730.0510.0440.051
22.00003 1/83.0253.1253.4493.6081 31/321.9252.0131 3/321.0501.1380.0550.0470.055
2 1/42.25003 1/23.3883.5003.8624.0412 13/642.1552.2511 13/641.1551.2510.0610.0520.061
2 1/22.50003 7/83.7503.8754.2754.4742 29/642.4012.5051 29/641.4011.5050.0680.0580.068
2 3/42.75004 1/44.1124.2504.6884.9072 45/642.6472.7591 37/641.5221.6340.0740.0640.074
33.00004 5/84.4754.6255.1025.3402 61/642.8933.0131 45/641.6431.7630.0810.0700.081
3 1/43.250054.8385.0005.5155.7743 3/163.1243.2521 13/161.7481.8760.0870.0750.087
3 1/23.50005 3/85.2005.3755.9286.2073 7/163.3703.5061 15/161.8702.0060.0940.0810.094
3 3/43.75005 3/45.5625.7506.3416.6403 11/163.6163.7602 1/161.9902.1340.1000.0870.100
44.00006 1/85.9256.1256.7557.0733 15/163.8624.0142 3/162.1122.2640.1070.0930.107

Washer Dimensions

Nominal SizeTClipped Width E, Min.
I.D.O.D.StandardExtra Thick
[Note (1)]Max.Min.Max.Min.Max.Min.Max.Min.[Note (2)]
1214.4142725.74.63.110810.5
1618.4183432.44.63.110814
2022.5224240.44.63.110817.5
2224.5244442.44.63.410819.2
2426.5265048.44.63.410821
2730.53056S4.14.63.410823.6
3033.6336058.14.63.410826.2
3639.6397270.14.63.410831.S
4245.6458481.87.24.610836.7
4852.7529592.87.24.610842
5662.762107104.88.76.110849
6470.770118115.88.76.110856
7278.778130127.58.76.110863
8086.986142139.58.76.110870
9096.996159156.58.76.110878.7
100107.9107176173.58.76.110887.5

Weight Chart:- Grade 12.9 Bolts

LENGTHS#2#3#4#5#6#8#10#121/4″5/16″3/8″
1/80.400.550.701.11.4
3/160.500.700.901.21.52.53.9
1/40.600.801.001.41.72.84.35.68.5
5/160.600.901.201.51.93.14.66.19.116.7
3/80.700.901.301.72.13.45.06.59.817.729.2
7/160.801.001.501.92.23.65.46.910.418.830.7
1/20.801.101.602.02.43.95.87.411.119.832.2
9/160.901.201.702.22.64.26.27.811.720.933.6
5/81.001.301.802.32.84.56.68.312.421.935.1
3/41.101.502.102.63.25.07.39.213.624.038.0
7/81.301.702.303.03.55.68.110.114.926.141.0
1″1.401.902.503.43.96.28.911.016.128.844.0
1-1/8″1.502.002.803.84.36.79.611.917.430.247.0
1-1/4″1.602.203.004.14.67.310.412.818.732.349.8
1-1/2″1.802.503.504.75.38.311.914.721.236.555.8
1-3/4″2.102.904.005.36.19.413.516.523.740.761.7
2″2.403.304.506.06.810.615.018.326.244.867.6
2-1/4″2.603.605.006.77.611.816.620.128.819.073.5
2-1/2″2.803.905.507.38.312.918.122.031.353.279.5
2-3/4″3.104.306.007.99.113.919.723.833.957.385.3
3″3.404.706.508.69.815.021.225.636.461.591.3

Different Types :- Grade 12.9 Bolts

Price List:- Grade 12.9 Bolts

  • Grade 12.9 Structural Bolts
    US / Metric Ton (FOB Price) on request
  • Grade 12.9 Heavy Hex Bolts
    US / Metric Ton (FOB Price) on request
  • Grade 12.9 Hex Bolts
    US / Metric Ton (FOB Price) on request
  • Grade 12.9 Hexagon Bolts
    US / Metric Ton (FOB Price) on request
  • Grade 12.9 Head Hex 1 Hex Bolts
    US / Metric Ton (FOB Price) on request
  • Grade 12.9 Stud Hex Bolts
    US / Metric Ton (FOB Price) on request
  • Grade 12.9 Premium Heavy Hex Bolts
    US / Metric Ton (FOB Price) on request

Application Industries

These material are not a single material but the name for a family of corrosion resistant steels. Like many scientific breakthrough the origins of stainless steel lies in a lucky accident. From the smallest part of zipper to the largest building skyscraper, stainless steel is an essential part of modern life.Stainless steel’s strength, resistance to corrosion and low maintenance make it the ideal material for a wide range of applications. It is also has a long life cycle and is 100% recyclable.

Packaging Industries

We Sumit Impex Metal Ensure the Best Quality of Packing, Because It Plays an Important Role Especially in the Case of International Shipments in Which Consignment Passes Through Various Channels to Reach the Ultimate Destination, So We Put Extraordinary Concern Regarding Packaging.

We pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,

Testings (Destructive, Non Destructive)

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