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What are the common applications of Hex Head Bolts in various industries?
Hex head bolts find widespread use across various industries due to their robust and versatile design. These fasteners are commonly employed in construction, offering exceptional strength and durability for structural connections, such as steel beams, columns, and concrete forms. In the automotive sector, Hex Head Bolts are critical in assembling engines, chassis components, and body structures, ensuring reliable and secure connections. They are extensively utilized in machinery and equipment manufacturing, supporting the assembly of heavy, industrial, and agricultural machinery.
The aerospace industry also benefits from the precision and strength of hex head bolts, securing critical components in aircraft and spacecraft. These bolts are favoured in electronics and electrical applications, enabling secure fastening in circuit boards, panels, and enclosures. The adaptability and reliability of hex head bolts make them indispensable in diverse industries, providing a sturdy and dependable solution for countless applications.
What are the advantages of using Hex Head Bolts in construction and engineering applications over other fasteners?
Hex head bolts offer a range of advantages that make them a preferred choice over other fasteners in construction and engineering applications. Their six-sided design provides a better grip for wrenches and socket tools, facilitating easier installation and removal. This feature is especially valuable in construction sites where efficiency and time-saving are crucial. Hex Head Bolts boast high tensile strength, making them suitable for heavy-duty applications that require superior load-bearing capacity and structural integrity. Whether used in steel structures, machinery, or bridges, they offer reliable and long-lasting performance. Their standardized dimensions and thread patterns also ensure interchangeability and compatibility, streamlining procurement processes and reducing inventory complexity.
Hex head bolts are less likely to strip or round off during installation due to their secure fit, reducing the risk of accidents and ensuring a safer work environment. Their resistance to vibration and external forces further enhances their suitability for critical engineering projects. Their availability in various materials and coatings, such as stainless steel or zinc-plating, allows for corrosion resistance, making them ideal for outdoor and harsh environment applications. The advantages of hex head bolts, including ease of use, strength, compatibility, safety, and corrosion resistance, make them an indispensable choice for construction and engineering professionals worldwide.
| Hex Head Bolts Metric Size | M2 to M42 |
|---|---|
| Hex Head Bolts Inches | 1/4” to 2” |
| Lengths | 30″ maximum |
| Diameter | 1/2 – 1″ |
| Dimensional Standards: | ANSI B18.2.1, ANSI B18.2.3.1M, IS1364, ISO 4014, ISO 4017, DIN 933, DIN 931, BS 1083, BS 1768, ASME B18.2.1, JIS B1180, DIN 558, ISO 4018, DIN-EN14399-4, DIN 601, ISO 4016, CSN 21301, EU 24016, DIN 7968, DIN7990 |
| Bolts Types | Hex Head Bolts |
| Threads | METRIC, BSW, UNC, UNF, BSF or as required |
| Unified Thread Standard (UTS) | UNC, UNF, NPT, UNS, UNEF, NPTF |
| Application | Wind Tower, Nuclear Power, Railway, Automotive Industry, Construction, Electronic Industry |
| Bolts Packaging | Cartoon Box / Wooden Pallet / Wooden Box / Thread Protector |
| Bolts Forming | Hot Forged Bolts & Cold Forged Bolts |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Hex Head Bolt Dimensions (ANSI B18.2.1-1996) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nominal Click on Size to Shop Products |
Body Diameter (E) |
Width |
Width Across Corners (G) | Head Height (H) |
Radius of Fillet (R) |
Thread |
|||||||||
| Max | Min | Basic | Max | Min | Max | Min | Basic | Max | Min | Max | Min | Basic (6 in. and shorter) | Basic (Over 6 in.) | ||
| 1/4 (0.2500) | 0.260 | 0.237 | 7/16 | 0.438 | 0.425 | 0.505 | 0.484 | 11/64 | 0.188 | 0.150 | 0.03 | 0.01 | 0.750 | 1.000 | |
| 5/16 (0.3125) | 0.324 | 0.298 | 1/2 | 0.500 | 0.484 | 0.577 | 0.552 | 7/32 | 0.235 | 0.195 | 0.03 | 0.01 | 0.875 | 1.125 | |
| 3/8 (0.3750) | 0.388 | 0.360 | 9/16 | 0.562 | 0.544 | 0.650 | 0.620 | 1/4 | 0.268 | 0.226 | 0.03 | 0.01 | 1.000 | 1.250 | |
| 1/2 (0.5000) | 0.515 | 0.482 | 3/4 | 0.750 | 0.725 | 0.866 | 0.826 | 11/32 | 0.364 | 0.302 | 0.03 | 0.01 | 1.250 | 1.500 | |
| 5/8 (0.6250) | 0.642 | 0.605 | 15/16 | 0.938 | 0.906 | 1.083 | 1.033 | 27/64 | 0.444 | 0.378 | 0.06 | 0.02 | 1.500 | 1.750 | |
| 3/4 (0.7500) | 0.768 | 0.729 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 1/2 | 0.524 | 0.455 | 0.06 | 0.02 | 1.750 | 2.000 | |
| 7/8 (0.8750) | 0.895 | 0.852 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 37/64 | 0.604 | 0.531 | 0.06 | 0.02 | 2.000 | 2.250 | |
| 1 (1.0000) | 1.022 | 0.976 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 43/64 | 0.700 | 0.591 | 0.09 | 0.03 | 2.250 | 2.500 | |
| D1D1 | K | E | S |
|---|---|---|---|
| M3 | 2 | 6.01 | 5.5 |
| M4 | 2.8 | 7.66 | 7 |
| M5 | 3.5 | 8.79 | 8 |
| M6 | 4 | 11.05 | 10 |
| M8 | 5.3 | 14.38 | 13 |
| M10 | 6.4 | 18.9 | 17 |
| M12 | 7.5 | 21.1 | 19 |
| M14 | 8.8 | 24.49 | 22 |
| M16 | 10 | 26.75 | 24 |
| M18 | 11.5 | 30.14 | 27 |
| M20 | 12.5 | 33.53 | 30 |
| M22 | 14 | 35.72 | 32 |
| M24 | 15 | 39.98 | 36 |
| M27 | 17 | 45.2 | 41 |
| M30 | 18.7 | 50.85 | 46 |
| M33 | 21 | 55.37 | 50 |
| M36 | 22.5 | 60.79 | 55 |
| M42 | 26 | 71.3 | 65 |
| M48 | 30 | 82.6 | 75 |
| 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 |
Hex Head Bolts in Distillery Plants
Hex Head Bolts in Sugar Industries
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Hex Head Bolts in Power Plants
Hex Head Bolts in Refineries
Hex Head Bolts in Petrochemical Plants
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