Manufactures & Suppliers of Pipes, Tubes, Flanges, Pipe Fitting & Fasteners
Manufactures & Suppliers of Pipes, Tubes, Flanges, Pipe Fitting & Fasteners
Natron Steel is one of the leading of Stainless Steel Bolts Manufacturers in India. Our SS Bolt, are crafted from high-quality raw materials to meet industry standards, ensuring durability and reliability. We offer the most comprehensive range of Stainless Steel Bolts, Available in various sizes and grades, Our Stainless Steel Bolts can also be customized in size and thickness to meet the unique requirements of our valued clients. As a top bolt manufacturer in India, we offer an extensive range of stainless steel bolts, including 201 , 304, 304L, 304H, 305, 310, 310S, 310H, 316, 316L, 316Ti,317,317L, 321, 347, 347H, 309S, 410, 446 and more, available in various grades and sizes. Our ss bolts are widely used across industries like sugar production, power generation, shipbuilding, construction, and oil and gas.
Our stainless steel bolts are expertly designed for compatibility with square-drive tools, allowing for easy and efficient installation with the proper equipment. Depending on the required torque strength and specific application, the bolt head type can be adapted to meet varied requirements. We manufacture these bolts using premium grades of stainless steel, to ensure both high performance and longevity in demanding environments.
Stainless Steel Bolts are crafted from stainless steel to ensure they withstand corrosion from environmental factors. In addition our stainless steel bolts may also be produced depending on the specific application needs. To deliver top-quality stainless steel bolts to our customers, we utilize only the finest materials, meticulous craftsmanship, and advanced technology in the manufacturing process.
Grades | 304, 304L, 304H, 316, 316L, 316Ti, 316H, 321, 410, 410S, 347, 347H |
Sizes | From 1/4 inch to 16 inches Metric sizes: M6 to M64 |
Thread Type | Metric / Imperial |
ASME Standards (American) | ASME B18.2.1, ASME B18.3, ASME B18.6.3 |
DIN Standards (German) | DIN 933, DIN 931, DIN 961, DIN 963 |
ISO Standards | ISO 4014, ISO 4017, ISO 4032 |
Tests Performed | Hardness Test, Torsion Test, Tensile Strength Test |
Types of Stainless Steel Bolts |
Hex Bolts |
ASTM Specification | ASTM F593, ASTM A193, ASTM A320 |
Our ss bolts are widely used across a range of applications, including automotive industry, food processing, boilers, pressure vessels, shipbuilding, oil pipelines, petrochemical facilities, construction projects, and even in surgical instruments. We built a strong reputation as a trusted stainless steel bolts manufacturer, recognized for its reliable products in various applications. Each product we offer is crafted with precision and widely valued around the world, produced at a facility equipped with five induction furnaces in our melting workshop and a high level of automation throughout the manufacturing process.
We proudly serve over 200 customers worldwide, establishing a strong presence in both international and domestic markets with our exceptional quality and on-time deliveries. Specializing in purpose-built of stainless steel bolts, we are dedicated to meeting the unique needs of our clients. In a competitive industry, we are recognized as a trusted supplier for consistently providing the right quality products, precisely when and where they’re needed. Our ss bolts are available across various industrial sectors in a wide range of sizes and models, designed to meet the exact specifications of our clients.
Length | Diameter | ||||||||
---|---|---|---|---|---|---|---|---|---|
1⁄2" | 5⁄8" | 3⁄4" | 7⁄8" | 1" | 11⁄8" | 11⁄4" | 13⁄8 | 11⁄2 | |
1 | 16.5 | 29.4 | 47.0 | - | - | - | - | - | - |
11⁄4 | 17.8 | 31.3 | 49.6 | 74.4 | 104 | - | - | - | - |
11⁄2 | 19.2 | 33.1 | 52.2 | 78 | 109 | 148 | 197 | - | - |
13⁄4 | 20.5 | 35.3 | 55.3 | 81.9 | 114 | 154 | 205 | 261 | 333 |
2 | 21.9 | 37.4 | 58.4 | 86.1 | 119 | 160 | 212 | 270 | 344 |
21⁄4 | 23.3 | 39.8 | 61.6 | 90.3 | 124 | 167 | 220 | 279 | 355 |
21⁄2 | 24.7 | 41.7 | 64.7 | 94.6 | 130 | 174 | 229 | 290 | 366 |
23⁄4 | 26.1 | 43.9 | 67.8 | 98.8 | 135 | 181 | 237 | 300 | 379 |
3 | 27.4 | 46.1 | 70.9 | 103 | 141 | 188 | 246 | 310 | 391 |
31⁄4 | 28.8 | 48.2 | 74 | 107 | 146 | 195 | 255 | 321 | 403 |
31⁄2 | 30.2 | 50.4 | 77.1 | 111 | 151 | 202 | 263 | 332 | 416 |
33⁄4 | 31.6 | 52.5 | 80.2 | 116 | 157 | 209 | 272 | 342 | 428 |
4 | 33 | 54.7 | 83.3 | 120 | 162 | 216 | 280 | 353 | 441 |
41⁄4 | 34.3 | 56.9 | 86.4 | 124 | 168 | 223 | 289 | 363 | 453 |
41⁄2 | 35.7 | 59 | 89.5 | 128 | 173 | 230 | 298 | 374 | 465 |
43⁄4 | 37.1 | 61.2 | 92.7 | 133 | 179 | 237 | 306 | 384 | 478 |
5 | 38.5 | 63.3 | 95.8 | 137 | 184 | 244 | 315 | 395 | 490 |
51⁄4 | 39.9 | 65.5 | 98.9 | 141 | 190 | 251 | 324 | 405 | 503 |
51⁄2 | 41.2 | 67.7 | 102 | 146 | 196 | 258 | 332 | 416 | 515 |
53⁄4 | 42.6 | 69.8 | 105 | 150 | 201 | 265 | 341 | 426 | 527 |
6 | 44 | 71.9 | 108 | 154 | 207 | 272 | 349 | 437 | 540 |
61⁄4 | - | 74.1 | 111 | 158 | 212 | 279 | 358 | 447 | 552 |
61⁄2 | - | 76.3 | 114 | 163 | 218 | 286 | 367 | 458 | 565 |
63⁄4 | - | 78.5 | 118 | 167 | 223 | 293 | 375 | 468 | 577 |
7 | - | 80.6 | 121 | 171 | 229 | 300 | 384 | 479 | 589 |
71⁄4 | - | 82.8 | 124 | 175 | 234 | 307 | 392 | 489 | 602 |
71⁄2 | - | 84.9 | 127 | 179 | 240 | 314 | 401 | 500 | 614 |
73⁄4 | - | 87.1 | 130 | 183 | 246 | 321 | 410 | 510 | 626 |
8 | - | 89.2 | 133 | 187 | 251 | 328 | 418 | 521 | 639 |
81⁄4 | - | - | - | 192 | 257 | 335 | 427 | 531 | 651 |
81⁄2 | - | - | - | 196 | 262 | 342 | 435 | 542 | 664 |
83⁄4 | - | - | - | - | - | - | 444 | 552 | 676 |
9 | - | - | - | - | - | - | 453 | 563 | 689 |
Per inch Adder |
5.5 | 8.6 | 12.4 | 16.9 | 22.1 | 28 | 34.4 | 42.5 | 49.7 |
F436 Round Washers | 2.1 | 3.6 | 4.8 | 7 | 9.4 | 11.3 | 13.8 | 16.8 | 20 |
Chemical Composition | ||||||||
---|---|---|---|---|---|---|---|---|
Type | C | Mn | P | S | Si | Cr | Ni | Mo |
304* | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00/20.00 | 8.00/10.50 | – |
304L* | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 18.00/20.00 | 8.00/12.00 | – |
316* | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00/18.00 | 10.00/14.00 | 2.00/3.00 |
316L* | 0.03 | 2.00 | 0.045 | 0.030 | 1.00 | 16.00/18.00 | 10.00/14.00 | 2.00/3.00 |
321 | 0.08 | 2.00 | 0.040 | 0.030 | 1.00 | 17.00/19.00 | 9.00/12.00 | 0.75/0.75 |
Bolt Size | A (max) | B | C (min) | D | E | F Thread Length for Bolt Length |
||
---|---|---|---|---|---|---|---|---|
max | min | 6" and shorter |
over 6" | |||||
1/4" | 0.260 | 7/16 | 0.484 | 11/64 | 0.03 | 0.01 | 0.750 | 1.000 |
5/16" | 0.324 | 1/2 | 0.552 | 7/32 | 0.03 | 0.01 | 0.875 | 1.125 |
3/8" | 0.388 | 9/16 | 0.620 | 1/4 | 0.03 | 0.01 | 1.000 | 1.250 |
7/16" | 0.452 | 5/8 | 0.687 | 19/64 | 0.03 | 0.01 | 1.125 | 1.375 |
1/2" | 0.515 | 3/4 | 0.826 | 11/32 | 0.03 | 0.01 | 1.250 | 1.500 |
5/8" | 0.642 | 15/16 | 1.033 | 27/64 | 0.06 | 0.02 | 1.500 | 1.750 |
3/4" | 0.768 | 1-1/8 | 1.240 | 1/2 | 0.06 | 0.02 | 1.750 | 2.000 |
7/8" | 0.895 | 1-5/16 | 1.447 | 37/64 | 0.06 | 0.02 | 2.000 | 2.250 |
1" | 1.022 | 1-1/2 | 1.653 | 43/64 | 0.09 | 0.03 | 2.250 | 2.500 |
1-1/8" | 1.149 | 1-11/16 | 1.859 | 3/4 | 0.09 | 0.03 | 2.500 | 2.750 |
1-1/4" | 1.277 | 1-7/8 | 2.066 | 27/32 | 0.09 | 0.03 | 2.750 | 3.000 |
1-3/8" | 1.404 | 2-1/16 | 2.273 | 29/32 | 0.09 | 0.03 | 3.000 | 3.250 |
1-1/2" | 1.531 | 2-1/4 | 2.480 | 1 | 0.09 | 0.03 | 3.250 | 3.500 |
1-3/4" | 1.785 | 2-5/8 | 2.893 | 1-5/32 | 0.12 | 0.04 | 3.750 | 4.000 |
2" | 2.039 | 3 | 3.306 | 1-11/32 | 0.12 | 0.04 | 4.250 | 4.500 |
2-1/4" | 2.305 | 3-3/8 | 3.719 | 1-1/2 | 0.19 | 0.06 | 4.750 | 5.000 |
2-1/2" | 2.559 | 3-3/4 | 4.133 | 1-21/32 | 0.19 | 0.06 | 5.250 | 5.500 |
2-3/4" | 2.837 | 4-1/8 | 4.546 | 1-13/16 | 0.19 | 0.06 | 5.750 | 6.000 |
3" | 3.081 | 4-1/2 | 4.959 | 2 | 0.19 | 0.06 | 6.250 | 6.500 |
3-1/4" | 3.335 | 4-7/8 | 5.372 | 2-3/16 | 0.19 | 0.06 | 6.750 | 7.000 |
3-1/2" | 3.589 | 5-1/4 | 5.786 | 2-5/16 | 0.19 | 0.06 | 7.250 | 7.500 |
3-3/4" | 3.858 | 5-5/8 | 6.198 | 2-1/2 | 0.19 | 0.06 | 7.750 | 8.000 |
4" | 4.111 | 6 | 6.612 | 2-11/16 | 0.19 | 0.06 | 8.250 | 8.500 |