
| Check Here Technical Information Related to Duplex Hex Bolt | |
|---|---|
| Custom Sizes | Available |
| Discount | 15% On bulk order |
| MTC | EN 10204 3.1/3.2 |
| Delivery Time |
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| Ready Stock in Metric Size | M10 to M100 |
| Ready Stock of Imperial Sizes | 3/8 to 8 Inch |
| Thread |
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| Forming |
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| Process |
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| Thread Pitch |
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| Standards |
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| Third Party Inspections |
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Alloy 2205 Double Sided Hexagonal Bolts Manufacturer in India, Check Dimension
Duplex Steel Heavy Hex Bolt dimensions
| Hex Bolt Dia | Width Across Corners | Width Across Flats | Hex Bolt Height |
|---|---|---|---|
| 1/2 | 1.01 | 7/8 | 11/32 |
| 5/8 | 1.227 | 1-1/16 | 27/64 |
| 3/4 | 1.443 | 1-1/4 | 1/2 |
| 7/8 | 1.66 | 1-7/16 | 37/64 |
| 1 | 1.876 | 1-5/8 | 43/64 |
| 1-1/8 | 2.093 | 1-13/16 | 3/4 |
| 1-1/4 | 2.309 | 2 | 27/32 |
| 1-3/8 | 2.526 | 2-3/16 | 29/32 |
| 1-1/2 | 2.742 | 2-3/8 | 1 |
| 1-3/4 | 3.175 | 2-3/4 | 1-5/32 |
| 2 | 3.608 | 3-1/8 | 1-11/32 |
| 2 1/4 | 4.041 | 3-1/2 | 1-1/2 |
| 2 1/2 | 4.474 | 3-7/8 | 1-21/32 |

Table of Content
SAF 2205 Heavy Hex Bolt is available in a size range of from M2 to M42
Sizes & Thread of Duplex Hex Bolt
- 3/8 to 24 Inch
- ASTM A182
- ASTM A276
- Mail us at info@namanpipe.com
- Custom
- Class 2A (Medium fit)
- 4G
- 6G
- 5 ONF
- 2G
- 5 CSF
- 8G
- Class 3A (Tight fit)
- Class 1A (Loose fit)
- 3G
- 5 HF
- Hex head
- Hex washer head
- Combination drive
- Button head
- Slotted drive
- Oval
- Hex / Socket / Allen drive
- Pan
- Phillips drive
- Frearson drive
- Slotted hex washer
- Socket cap head
- Truss
- Flat
Duplex SS 2205 Hexagon Bolt and Flat Head Hex Bolt are used at high pressures and temperatures
Alloy 2205 Hexagonal Bolts Specification
- Hot forging
- Thread forming
- Heat and surface treatment
- Machining
- Cold forging
- Indian
- European
- Japanese
- Russian
- Ukraine
- USA
- Korean
- Rockwell / brinell Hardness test
- Microstructure analysis
- Tensile test
- Impact testing
- EN 10204 / 3.1, 3.2
- Charpy V-notch test
- 3-5 days
- 10-12 days
- Get Quick Quote & delivery by Air, mail us at info@namanpipe.com
- UNS S32205
- Duplex 2205
- UNS S31803
- EN 10204 3.1 Manufacturer Test Certificate / PED 97/23/EC Certified
- Cold finished
- Hot finished
- EN X2CrNiMoN22-5-3
- WNr 1.4462
- JIS SUS 329J3L
- BS 318S13
- BSW
- UNC
- BSF
- UNF
- METRIC
- DIN – Germany
- AS3566 – Australia
- ISO – America
- ASME – USA
- Grooving
- Cross Drilling
- Cut Threading
- Cut Off & Chamfer
- Factory Direct Shipments
- Milling
- Expedited Services
- Packaging: Box, Bags and Labeling
- Tapping & Drilling
- Oil & gas exploration
- Marine environments
- Transport & Storage
- Bridges
- Pulp & paper digesters
- Chemical processing
- Milled end
- Cone point
- Chamfer end
- Semi-cone point
- 45 degree angle cut
- Sheared end
- Gimlet point
- Chisel point
- Half point
- Nickel plated
- Yellow zinc plated
- Electroplating
- Black finish
- Mechanical
- Zinc nickel
- Black oxide
- Hot dip galvanized
- Oil
- Plain
- Cadmium
- PTFE / Teflon
- Clear zinc plated
- Green finish
INOX 2205 Hex Machine Bolts and Hexagonal Bolt are manufactured according to ISO 4014 and JIS B1180
Testing requirements of SAF 2205 Heavy Hex Bolt
- Charpy impact tests
- Carburization test
- Retempering test
- Proof Load Test
- Torsion test
- Head soundness test
- Decarburization test
- Hardness testing
- Fatigue test on H specimens
- Tensile test
- SAE J429
- ASTM F606/F606M
- SAE J995
- ISO 898-1
- Laboratory test certificate from govt approved lab
- Surface roughness measurement
- Raw material certificates
- Moisture testing reports
- Third party n inspection report
- HS Code commercial invoice
- Heat treatment chart
Do you Know?

Alloy 2205 Hexagon Head Bolt coatings and finishes
| Coating | Temperature ranging |
|---|---|
| Zinc | 210°C |
| Cadmium | 160°C |
| Xylan Coated | maximum up to 500 deg. F |
| Sermagard Coated | Minimum of 750 deg. (F) |
| PTFE Coated | maximum up to 260°C/ 500°F Minimum -270°C/-454°F |
| Hot dip galvanizing | 210°C |
| Phosphating | 200°C |
| Ceramic | 645°C |

Types of Duplex Hex Bolts
Duplex Hex Bolt
Duplex 2205 Hex Bolts
Duplex Steel Heavy Hex Bolt
DSS Hex Head Bolt
DSS Hexagon Bolt
DSS Stainless Steel Rounded Hex Bolt
2205 Hex Socket Bolt
UNS S31803 Fully Threaded Hex Bolts
UNS S32205 M8 Hex Bolt
DIN 1.4462 Partially Threaded Hex Bolt
DSS Long Hex Bolt
DSS Pan Head Hex Bolt
Duplex Hex Bolt supplier in India available in externally threaded body with UNC, UN and UNF thread types
Stock of Duplex Steel Hex Bolt
Duplex Stainless Steel Hex Head Bolt weight chart
| LENGTH (in mm) |
Hex Half Threaded Bolts Dia (Metric) Large to small size |
||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M48 | M45 | M42 | M39 | M36 | M33 | M30 | M27 | M24 | M22 | M20 | M18 | M16 | M14 | M12 | M10 | M8 | M6 | ||
| 25 | 7000 | ||||||||||||||||||
| 30 | 3150 | 6080 | |||||||||||||||||
| 35 | 1590 | 2810 | 5350 | ||||||||||||||||
| 40 | 1013 | 1455 | 2530 | 4830 | |||||||||||||||
| 45 | 506 | 940 | 1335 | 2310 | 4350 | ||||||||||||||
| 50 | 62 | 76 | 97 | 127 | 180 | 220 | 470 | 622 | 875 | 1235 | 2120 | 4000 | |||||||
| 55 | 59 | 73 | 92 | 122 | 170 | 210 | 260 | 437 | 588 | 820 | 1145 | 1960 | 3700 | ||||||
| 60 | 45 | 57 | 71 | 88 | 116 | 160 | 200 | 244 | 312 | 408 | 550 | 770 | 1075 | 1825 | 3420 | ||||
| 65 | 44 | 54 | 68 | 84 | 111 | 150 | 188 | 230 | 296 | 384 | 500 | 725 | 1010 | 1700 | 3170 | ||||
| 70 | 35 | 42 | 52 | 65 | 81 | 107 | 142 | 179 | 218 | 276 | 361 | 471 | 687 | 955 | 1650 | 2990 | |||
| 75 | 34 | 40 | 49 | 63 | 79 | 103 | 135 | 170 | 207 | 265 | 343 | 448 | 653 | 904 | 1535 | 2820 | |||
| 80 | 26 | 33 | 38 | 47 | 60 | 75 | 100 | 128 | 162 | 197 | 254 | 325 | 425 | 620 | 853 | 1425 | 2650 | ||
| 90 | 22 | 25 | 31 | 36 | 45 | 56 | 70 | 90 | 117 | 148 | 180 | 227 | 296 | 408 | 568 | 780 | 1300 | 2400 | |
| 100 | 21 | 24 | 29 | 34 | 42 | 52 | 65 | 83 | 108 | 136 | 166 | 208 | 271 | 367 | 522 | 715 | 1190 | 2200 | |
| 110 | 20 | 23 | 27 | 33 | 40 | 48 | 60 | 76 | 100 | 125 | 154 | 296 | 251 | 336 | 461 | 665 | 1080 | 2000 | |
| 120 | 18 | 22 | 26 | 32 | 38 | 45 | 57 | 72 | 94 | 115 | 143 | 185 | 232 | 305 | 400 | 617 | 972 | 1800 | |
| 130 | 17 | 21 | 24 | 29 | 35 | 42 | 54 | 68 | 89 | 109 | 134 | 167 | 217 | 284 | 372 | 578 | 925 | 1690 | |
| 140 | 16 | 20 | 23 | 27 | 33 | 40 | 50 | 64 | 85 | 103 | 125 | 150 | 203 | 264 | 345 | 540 | 880 | 1585 | |
| 150 | 16 | 19 | 22 | 26 | 32 | 39 | 49 | 61 | 80 | 97 | 118 | 144 | 191 | 252 | 327 | 497 | 860 | 1490 | |
| 160 | 15 | 18 | 21 | 25 | 30 | 37 | 46 | 58 | 76 | 92 | 111 | 138 | 180 | 230 | 310 | 455 | 1400 | ||
| 180 | 14 | 16 | 19 | 23 | 28 | 33 | 41 | 52 | 68 | 83 | 100 | 125 | 162 | 205 | 295 | 430 | |||
| 200 | 13 | 15 | 17 | 21 | 25 | 30 | 38 | 48 | 62 | 75 | 91 | 113 | 148 | 185 | 265 | 390 | |||
| 225 | 12 | 14 | 16 | 19 | 23 | 28 | 35 | 43 | 57 | 68 | 83 | 132 | 245 | 350 | |||||
| 250 | 11 | 13 | 15 | 17 | 22 | 25 | 32 | 39 | 51 | 62 | 75 | 120 | 210 | 320 | |||||
| 275 | 10 | 12 | 14 | 16 | 20 | 24 | 30 | 37 | 47 | 57 | 69 | 109 | 190 | 290 | |||||
| 300 | 10 | 11 | 13 | 15 | 18 | 23 | 27 | 34 | 43 | 52 | 63 | 101 | 183 | ||||||
Duplex hex bolt manufacturer in India provide hex, square and round head type
UNS S32205 Hex Socket Bolt torque chart


Duplex M6 Hex Bolt

DIN 933 & ISO 4017 & UNI 5739
| D1D1 | K | E | S |
|---|---|---|---|
| M6 | 4 | 11.05 | 10 |
DIN 931 / ISO 4014 / UNI 5737
| D1D1 | B TO 125 | B TO 200 | B OVER 200 | K | E | S |
|---|---|---|---|---|---|---|
| M6 | 18 | 24 | - | 4 | 11.05 | 10 |
DIN 558 & ISO 4018
| D1 | S | E | K |
|---|---|---|---|
| M6 | 10 | 10.89 | 4 |
Duplex Hex Bolts grades
| F44 | UNS S31254 |
| F45 | UNS S30815 |
| F46 | UNS S30600 |
| F47 | UNS S31725 |
| F48 | UNS S31726 |
| F49 | UNS S34565 |
| F56 | UNS S33228 |
| F58 | UNS S31266 |
| F62 | UNS N08367 |
| F63 | UNS S32615 |
| F64 | UNS S30601 |
| F904L | UNS N08904 |
| F50 | UNS S31200 |
| F51 | UNS S31803 |
| F52 | UNS S32950 |
| F53 | UNS S32750 |
| F54 | UNS S39274 |
| F55 | UNS S32760 |
| F57 | UNS S39277 |
| F59 | UNS S32520 |
| F60 | UNS S32205 |
| F61 | UNS S32550 |
| F65 | UNS S32906 |
| F66 | UNS S32202 |
| F67 | UNS S32506 |
| F68 | UNS S32304 |
JIS Standard of DIN 1.4462 Hexagon Bolts
| JIS B1111 | M2-M8 |
| JIS B1111T | M2-M6 |
| JIS B1180 | M8-M12 |
| JIS B1189 | M3-M12 |
| JIS B1181 | M8-M12 |
| JIS B1188 | M2-M6 |
| JIS B1190 | M3-M24 |
2205 Duplex M8 Hex Bolt

DIN 933 & ISO 4017 & UNI 5739
| D1D1 | K | E | S |
|---|---|---|---|
| M8 | 5.3 | 14.38 | 13 |
DIN 931 / ISO 4014 / UNI 5737
| D1D1 | B TO 125 | B TO 200 | B OVER 200 | K | E | S |
|---|---|---|---|---|---|---|
| M8 | 22 | 28 | - | 5.3 | 14.38 | 13 |
DIN 558 & ISO 4018
| D1 | S | E | K |
|---|---|---|---|
| M8 | 13 | 14.2 | 5.3 |
Duplex Steel M10 Hex Bolt

DIN 933 & ISO 4017 & UNI 5739
| D1D1 | K | E | S |
|---|---|---|---|
| M10 | 6.4 | 18.9 | 17 |
DIN 931 / ISO 4014 / UNI 5737
| D1D1 | B TO 125 | B TO 200 | B OVER 200 | K | E | S |
|---|---|---|---|---|---|---|
| M10 | 26 | 32 | 45 | 6.4 | 18.9 | 17 |
DIN 558 & ISO 4018
| D1 | S | E | K |
|---|---|---|---|
| M10 | 17 | 18.72 | 6.4 |
22 Cr Duplex Steel Hex Bolt Course and Fine Thread

Duplex M12 Hex Bolt

DIN 933 & ISO 4017 & UNI 5739
| D1D1 | K | E | S |
|---|---|---|---|
| M12 | 7.5 | 21.1 | 19 |
DIN 931 / ISO 4014 / UNI 5737
| D1D1 | B TO 125 | B TO 200 | B OVER 200 | K | E | S |
|---|---|---|---|---|---|---|
| M12 | 30 | 36 | 49 | 7.5 | 21.1 | 19 |
DIN 558 & ISO 4018
| D1 | S | E | K |
|---|---|---|---|
| M12 | 19 | 20.88 | 7.5 |
ISO 4014 Hex Bolt dimensions

| D1D1 | E | K | S | B TO 200 | B TO 125 | B OVER 200 |
|---|---|---|---|---|---|---|
| M4 | 7.66 | 2.8 | 7 | - | 14 | - |
| M5 | 8.79 | 3.5 | 8 | - | 16 | - |
| M6 | 11.05 | 4 | 10 | 24 | 18 | - |
| M8 | 14.38 | 5.3 | 13 | 28 | 22 | - |
| M10 | 18.9 | 6.4 | 16 | 32 | 26 | 45 |
| M12 | 21.1 | 7.5 | 18 | 36 | 30 | 49 |
| M14 | 24.49 | 8.8 | 21 | 40 | 34 | 53 |
| M16 | 26.75 | 10 | 24 | 44 | 38 | 57 |
| M18 | 30.14 | 11.5 | 27 | 48 | 42 | 61 |
| M20 | 33.53 | 12.5 | 30 | 52 | 46 | 65 |
| M22 | 35.72 | 14 | 34 | 56 | 50 | 69 |
| M24 | 39.98 | 15 | 36 | 60 | 54 | 73 |
| M27 | 45.2 | 17 | 41 | 66 | 60 | 79 |
| M30 | 50.85 | 18.7 | 46 | 72 | 66 | 85 |
| M33 | 55.37 | 21 | 50 | 78 | 72 | 91 |
| M36 | 60.79 | 22.5 | 55 | 84 | 78 | 97 |
| M42 | 71.3 | 26 | 65 | 96 | 90 | 109 |
| M45 | 76.95 | 28 | 70 | 102 | 96 | 115 |
| M48 | 82.6 | 30 | 75 | 108 | 102 | 121 |
Duplex 2205 Din 933 Hex Bolt Size Chart
| Thread Size | Thread Width | Thread Pitch | Radius Under Head | Head Width | |
| M12 | 17.5-18mm | 1.75 | 0.6mm | 7.5mm | |
| M16 | 23-24mm | 2 | 0.6mm | 10mm | |
| M20 | 29-30mm | 2.5 | 0.8mm | 12.5mm |
Duplex 2205 Din 931 Hex Bolt Size Chart
| Thread Size | Length of Threaded Shank (up to 125mm) | Thread Diameter | Length of Threaded Shank (125-200mm) | Hex Bolt Head Width | Threaded Shank Length (200+mm) | Thread Width |
| M4 | 14mm | 0.7 | n/a | 2.8 | n/a | 7 |
| M5 | 16mm | 0.8 | 22mm | 3.5 | n/a | 8 |
| M6 | 18mm | 1 | 24mm | 4 | n/a | 10 |
| M8 | 22mm | 1.25 | 28mm | 5.3 | n/a | 13 |
| M10 | 26mm | 1.5 | 32mm | 6.4 | 45mm | 17 |
| M12 | 30mm | 1.75 | 36mm | 7.5 | 49mm | 19 |
| M14 | 34mm | 2 | 40mm | 8.8 | 53mm | 22 |
| M16 | 38mm | 2 | 44mm | 10 | 57mm | 24 |
| M20 | 46mm | 2.5 | 52mm | 12.5 | 65mm | 30 |
Refer threads and tolerance of SAF 2205 Half Thread Hex Bolt
Maximum Thread Length of ASTM A276 Gr 2205 Long Hex Bolt
| Metric Hex Bolt Diameter | Longer Than 125mm |
|---|---|
| M3 | |
| M4 | |
| M5 | 22 |
| M6 | 24 |
| M7 | 26 |
| M8 | 28 |
| M10 | 32 |
| M12 | 36 |
| M14 | 40 |
| M16 | 44 |
| M18 | 48 |
| M20 | 52 |
ASTM A479 Gr 2205 Phillips Hex Bolt
Duplex Steel Imperial Hex Bolt dimensions
| Nominal Size (in) |
Diameter (in) | |
|---|---|---|
| min | max | |
| 5/16 | 0.298 | 0.324 |
| 3/8 | 0.360 | 0.388 |
| 7/16 | 0.421 | 0.452 |
| 1/2 | 0.482 | 0.515 |
| 5/8 | 0.605 | 0.642 |
| 3/4 | 0.729 | 0.768 |
| 7/8 | 0.852 | 0.895 |
| 1 | 0.976 | 1.022 |
| 1 1/8 | 1.098 | 1.149 |
| 1 1/4 | 1.223 | 1.277 |
| 1 3/8 | 1.345 | 1.404 |
| 1 1/2 | 1.470 | 1.531 |
| 1 5/8 | 1.591 | 1.658 |
| 1 3/4 | 1.716 | 1.785 |
| 1 7/8 | 1.839 | 1.912 |
| 2 | 1.964 | 2.039 |
| 2 1/4 | 2.214 | 2.305 |
| 2 1/2 | 2.461 | 2.559 |
| 2 3/4 | 2.711 | 2.827 |
| 3 | 2.961 | 3.081 |
| 3 1/4 | 3.210 | 3.335 |
| 3 1/2 | 3.461 | 3.589 |
| 3 3/4 | 3.726 | 3.858 |
| 4 | 3.975 | 4.111 |
Duplex Stainless Steel Metric Hex Bolt dimensions
| Size | Diameter (in) | |
|---|---|---|
| min | max | |
| 5/16 | 7.57 | 8.23 |
| 3/8 | 9.14 | 9.86 |
| 7/16 | 10.7 | 11.5 |
| 1/2 | 12.2 | 13.1 |
| 5/8 | 15.4 | 16.3 |
| 3/4 | 18.5 | 19.5 |
| 7/8 | 21.6 | 22.7 |
| 1 | 24.8 | 26 |
| 1 1/8 | 27.9 | 29.2 |
| 1 1/4 | 31.1 | 32.4 |
| 1 3/8 | 34.2 | 35.7 |
| 1 1/2 | 37.3 | 38.9 |
| 1 5/8 | 40.4 | 42.1 |
| 1 3/4 | 43.6 | 45.3 |
| 1 7/8 | 46.7 | 48.6 |
| 2 | 49.9 | 51.8 |
| 2 1/4 | 56.2 | 58.5 |
| 2 1/2 | 62.5 | 65 |
| 2 3/4 | 68.9 | 71.8 |
| 3 | 75.2 | 78.3 |
| 3 1/4 | 81.5 | 84.7 |
| 3 1/2 | 87.9 | 91.2 |
| 3 3/4 | 94.6 | 98 |
| 4 | 101 | 104 |
Advantages of Duplex Hex Bolts
DSS Double Hexagon Bolt Standards
| Size | Standard |
|---|---|
| 3/8 - 3 inch | ASME B18.2.1 |
| M12 - M36 | DIN-EN 14399-4 |
| M12 - M36 | ASME B18.2.3.6M |
| ½ - 2 inch | BS 1769 |
| M12 - M36 | DIN 6914 |
| M16 - M36 | ASME B18.2.3.7M |
| M12 - M36 | UNI 5712 |
| M12 - M36 | ISO 7412 |
A Supplier by choice of Duplex Hex Bolt in following countries
Marathon Petroleum- Louisiana
Corpus Christi Lng Liquefaction Plant- USA
Woodside Petroleum Limited- Australia
Ptt Public Company Limited- Thailand
Kingston Oilfield Services Pvt.Ltd- Mumbai
Neste Refinery Expansion- Singapore












