Caliper Overseas is one of the Top Hex Head Bolt Half Thread Manufacturer and Supplier in India, providing quality industrial fasteners meeting international standards. A Hex Head Bolt Half Thread is crafted with threading only on part of the shank, giving it a firm hold to assemble machinery, structural pieces, and heavy equipment. Our bolts are dually certified in accordance with ASTM & ASME codes for dependable and long-term performance.
They possess great strength, corrosion resistance, and accurate dimensions. Used extensively in the construction, automobile, oil & gas, and marine sectors, these bolts come in materials such as Stainless Steel, Carbon Steel, Alloy Steel, Duplex Steel, and Super Duplex Steel. The bolts can be customized according to application requirements. For durable and precise fastening solutions, get in touch today and explore a wide range of industrial bolts designed to perform in demanding environments.
Hex Head Bolts Half Thread Metric Size | M2 to M42 |
---|---|
Half Threaded 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 |
Half Thread 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 Half Thread in Distillery Plants
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Hex Head Half Thread Bolts Stock Availability
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