Stainless Steel 321 Fasteners

What is Stainless Steel 321 Fasteners

321 Stainless Steel fasteners are one of the widely used fasteners because of their excellent resistance towards oxidation. These fasteners are made up of austenitic stainless steel alloy, which is also stabilized by titanium, and therefore it provides excellent resistance towards corrosion. These fasteners are highly durable and have a surface finishing.

These 321 Stainless Steel fasteners can withstand a temperature up to 427 degrees Celsius to 816 degrees celsius, where carbide precipitation is more likely to occur. Even at high temperatures, these fasteners show great mechanical and tensile strength. These are also used in applications where corrosion-related corrosion pitting and corrosion cracking are most likely to occur.

ASTM A193 SS 321 Grub Screw, DIN 1.4541 Star Washer, Stainless Steel 321 Hex Nut, SS 321 Roofing Screws, Stainless Steel 321 Stud Bolt, SS 321 Lock Washer, Stainless Steel 321 Plain Washer, Stainless Steel 321 Hex Bolt, Stainless Steel 321 Fasteners.

Sumit Impex focuses on delivering high-quality 321 Stainless Steel fasteners. High-quality raw materials and alloy are used to make these fasteners according to the international material standards and specifications. These fasteners could be available in different shapes and sizes depending upon the user specifications as well as the requirements of the application.

Various quality and other tests are also carried on these fasteners to ensure that high-quality fasteners are produced. They also undergo a series of destructive as well as non-destructive procedures. Because of the properties that these 321 Stainless Steel fasteners bear and their high quality, these fasteners are used in several industries such as the chemical industry, paper, and pulp industry, and gas industry, etc.

Specification:- Stainless Steel 321 Fasteners

SpecificationsASTM A 193 / ASME SA 193
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.

Equivalent Grade:- Stainless Steel 321 Fasteners

STANDARDWERKSTOFF NR.UNSJISEN
SS 3211.4541S32100SUS 321X6CrNiTi18-10

Chemical Composition:- Stainless Steel 321 Fasteners

GradeCMnSiPSCrNNiTi
SS 3210.08 max2.0 max1.0 max0.045 max0.030 max17.00 - 19.000.10 max9.00 - 12.005(C+N) – 0.70 max

Mechanical Properties:- Stainless Steel 321 Fasteners

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31454 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %

Dimensions:- Stainless Steel 321 Fasteners

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:- Stainless Steel 321 Fasteners

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:- Stainless Steel 321 Fasteners

Different Types Of Bolts:
ASTM A193 SS 321 Hex Bolts
DIN 1.4541 Carriage Bolts
Stainless Steel 321 Stud Bolts
321 SS Hex Head Bolts
SS 321 Forged Hook Bolts
321 Stainless Steel Torx Bolts
SS Countersunk Bolts
Alloy 321 Flange Head Bolts
SS 321 Allen Bolts
UNS S32100 12-Point Flange Bolts
ASTM A193 UNS S32100 Eye Bolts
A2-70 Stainless Steel Bolts
AISI 321 U Bolts
321 Stainless Steel J Bolts
321 Stainless Steel Elevator Bolt
UNS S32100 Lag Bolts
ASTM A193 Grade 321 Threaded Expansion Anchor Bolt
ASME SA 193 High Performance Anchor Bolts
Different Types Of Stud Bolt:
321 Bonding Stud Bolt Flange
321 Clinch Stud Bolt
321 Double End Stud Bolt
DIN 1.4541 Double End Stud Bolts with Reduced Shank
DIN 1.4541 Dowel Screw type Stud Bolt
1.4541 Full Threaded Stud Bolt
UNS S32100 Half Threaded Stud Bolt
UNS S32100 Tap End Stud Bolts
Different Types Of Nut:
ASTM A193 SS 321 Hex Nuts
ASME SA193 SS 321 T Nuts
Stainless Steel 321 Metric Nuts
UNS S32100 Rivet Nuts
AISI 321 Nut
321 SS Sleeve Nuts
SS 321 12-Point Nuts
ASTM A193 Grade 321 Lug Nut
DIN 1.4541 Captive Nuts
Alloy 321 Dome Nuts
ASME SA 193 Acorn Nuts
SS 321 Nyloc Nuts
UNS S32100 Insert Nuts
321 Stainless Steel Lock Nuts
ASTM A193 UNS S32100 Castle Nut
AISI 321 Square Nuts
Different Types Of Washer:
ASTM A193 SS 321 Plain Washer
Stainless Steel 321 Spring Washer
ASME SA193 SS 321 Tab Washer
UNS S32100 Sealing Washer
321 SS Lock Washer
UNS S32100 Square Washer
ASTM A193 Grade 321 Flat Washer
DIN 1.4541 Split Washer

Price List:- Stainless Steel 321 Fasteners

  • Stainless Steel 321 Hex Bolt
    USD $2.3 – $10.03 / Kg
  • Stainless Steel 321 Hex Nut
    USD $2.08 – $10.18 / Kg
  • Stainless Steel 321 Stud Bolt
    USD $2.48 – $10.48 / Kg
  • SS 321 U Bolt
    USD $2.21 – $10.81 / Kg
  • UNS S32100 Spring Washer
    USD $2.17 – $10.45 / Kg
  • Astm A193 SS 321 Threaded Rod
    USD $2.14 – $8 / Kg
  • SS 321 Heavy Hex Bolt
    USD $2.16 – $10.92 / Kg

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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DIN 1.4541 Tab Washer Price List, , 321 SS Rivet Nuts At Factory Price, Stainless Steel 321 Carriage Bolts Price List, SS 321 Spring Washer Price Per Kg, UNS S32100 Forged Hook Bolts Price List In India, ASME SA193 SS 321 Hex Nuts At Factory Price, ASTM A193 SS 321 Hex Bolts Weight Chart, SS 321 Stud Bolts Price Per Kg, DIN 1.4541 Torx Bolts Catalogue, SS 321 T Nuts At Factory Price, UNS S32100 Plain Washer Weight Chart.

City We Deliver:-

321 SS Countersunk Bolts Stockist in Bharuch, 321 SS Hex Head Bolts Supplier in Hyderabad, UNS S32100 Drywall screw Manufacturer in Daman, SS 321 T Nuts Supplier in Pune, UNS S32100 Forged Hook Bolts Manufacturer in Mumbai, ASME SA193 SS 321 Hex Nuts Stockist in Chennai, UNS S32100 Plain Washer Stockist in Bangalore, DIN 1.4541 Self-tapping-screw Stockist in Gujarat.

Countries We Export:-

Stainless Steel 321 Pocket hole screws Exporter in Iran, SS 321 Roofing screws Manufacturer in Israel, ASME SA193 SS 321 Sealing washer Exporter in Lebanon, DIN 1.4541 Star washer Supplier in Jordan, UNS S32100 Drywall screw Manufacturer in Italy, DIN 1.4541 Self-tapping-screw Stockist in UK, SS 321 Spring Washer Stockist in Oman, DIN 1.4541 Tab Washer Manufacturer in Vietnam.
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