Inconel 718 (N07718) Hex Bolts
HASM is an ISO 9001:2015, AS9100D and ISO 14001:2015 certified manufacturer and worldwide supplier of standard & custom Inconel 718 (N07718) hex bolts. We also manufacture hex bolts from these other materials: Hastelloy® C-276, Hastelloy® C-22, Hastelloy® B-2, Hastelloy® G-30, Monel® 400, Monel® K-500, Inconel® 600, Inconel® 625, Incoloy® A-286, Titanium Grade 2, Titanium Grade 5, Titanium Grade 7, Duplex S31803, Duplex S32205 and Super Duplex S32750, to name a few.
Inconel 718 Hex Bolts
HASM Inconel 718 (N07718) hex bolts are manufactured by the cold heading and hot forming technologies in nominal diameters ranging from 1/8”- 3” (M3 – M80). We offer Inconel 718 (N07718) hex bolts in both USCS/Imperial and metric sizes.
HASM’s advanced and comprehensive range of capabilities include engineering, R&D, prototyping, custom manufacturing, precision processing and testing. All HASM materials are sourced from the most reputable and exacting foundries in the world. We maintain a multi-million-dollar inventory of fasteners in our product warehouse, which enables HASM to select, package and expedite your Inconel 718 (N07718) bolt order quickly.
We are globally recognized as the emerging leader of high-quality Inconel 718 (N07718) bolts and are proud to serve our distributors, EPCs, OEM and MRO customers worldwide.
HASM’s Inconel 718 (N07718) hex bolts meet applicable ASTM, ANSI, ASME, SAE, API, NAS, AN, MS, NACE, ISO, DIN, and KS standards.
The markets we serve include Chemical Processing, Semiconductor, Power Generation, Aerospace, Oil & Gas, Pharmaceutical, Food & Beverage, Marine, Pulp & Paper, Petrochemical & Refining, Air Pollution Control, and Water Treatment.
Hex Bolt Dimensions
Download Hex Bolt Table | |||||||||||||||
| Dimensions of Hex Bolts | |||||||||||||||
| ANSI B 18.2.1-2012 | |||||||||||||||
| Nominal Size or Basic Product Diameter | E | F | G | H | R | LT | |||||||||
| Full-size Body Diameter | Width Across Flats | Width Across Corners | Height | Radius of Fillet | Nominal Thread Length for Bolt Lengths | ||||||||||
| 6 in. and Shorter | Over 6 in. | ||||||||||||||
| Max. | Min. | Basic | Max. | Min. | Max. | Min. | Basic | Max. | Min. | Max. | Min. | ||||
| 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 | 0.4375 | 0.452 | 0.421 | 5/8 | 0.625 | 0.603 | 0.722 | 0.687 | 19/64 | 0.316 | 0.272 | 0.03 | 0.01 | 1.125 | 1.375 |
| 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 |
| 1-1/8 | 1.1250 | 1.149 | 1.098 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 3/4 | 0.780 | 0.658 | 0.09 | 0.03 | 2.500 | 2.750 |
| 1-1/4 | 1.2500 | 1.277 | 1.223 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 27/32 | 0.876 | 0.749 | 0.09 | 0.03 | 2.750 | 3.000 |
| 1-3/8 | 1.3750 | 1.404 | 1.345 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 29/32 | 0.940 | 0.810 | 0.09 | 0.03 | 3.000 | 3.250 |
| 1-1/2 | 1.5000 | 1.531 | 1.470 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1 | 1.036 | 0.902 | 0.09 | 0.03 | 3.250 | 3.500 |
| 1-5/8 | 1.6250 | 1.658 | 1.591 | 2-7/16 | 2.438 | 2.356 | 2.815 | 2.616 | 1-3/32 | 1.116 | 0.978 | 0.09 | 0.03 | 3.500 | 3.750 |
| 1-3/4 | 1.7500 | 1.785 | 1.716 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-5/32 | 1.196 | 1.054 | 0.12 | 0.04 | 3.750 | 4.000 |
| 1-7/8 | 1.8750 | 1.912 | 1.839 | 2-13/16 | 2.812 | 2.719 | 3.248 | 3.099 | 1-1/4 | 1.276 | 1.130 | 0.12 | 0.04 | 4.000 | 4.250 |
| 2 | 2.0000 | 2.039 | 1.964 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-11/32 | 1.388 | 1.175 | 0.12 | 0.04 | 4.250 | 4.500 |
| 2-1/4 | 2.2500 | 2.305 | 2.214 | 3-3/8 | 3.375 | 3.262 | 3.897 | 3.719 | 1-1/2 | 1.548 | 1.327 | 0.19 | 0.06 | 4.750 | 5.000 |
| 2-1/2 | 2.5000 | 2.559 | 2.461 | 3-3/4 | 3.750 | 3.625 | 4.330 | 4.133 | 1-21/32 | 1.708 | 1.479 | 0.19 | 0.06 | 5.250 | 5.500 |
| 2-3/4 | 2.7500 | 2.827 | 2.711 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.546 | 1-13/16 | 1.869 | 1.632 | 0.19 | 0.06 | 5.750 | 6.000 |
| 3 | 3.0000 | 3.081 | 2.961 | 4-1/2 | 4.500 | 4.350 | 5.196 | 4.959 | 2 | 2.060 | 1.815 | 0.19 | 0.06 | 6.250 | 6.500 |
| 3-1/4 | 3.2500 | 3.335 | 3.210 | 4-7/8 | 4.875 | 4.712 | 5.629 | 5.372 | 2-3/16 | 2.251 | 1.936 | 0.19 | 0.06 | 6.750 | 7.000 |
| 3-1/2 | 3.5000 | 3.589 | 3.461 | 5-1/4 | 5.250 | 5.075 | 6.062 | 5.786 | 2-5/16 | 2.380 | 2.057 | 0.19 | 0.06 | 7.250 | 7.500 |
| 3-3/4 | 3.7500 | 3.858 | 3.726 | 5-5/8 | 5.625 | 5.437 | 6.495 | 6.198 | 2-1/2 | 2.572 | 2.241 | 0.19 | 0.06 | 7.750 | 8.000 |
| 4 | 4.0000 | 4.111 | 3.975 | 6 | 6.000 | 5.800 | 6.928 | 6.612 | 2-11/16 | 2.764 | 2.424 | 0.19 | 0.06 | 8.250 | 8.500 |
NOTE: ALL HEX BOLT DIMENSIONS ARE IN INCHES.
INCONEL®, MONEL®, INCOLOY® and 800HT® are registered trademark of the Special Metals Corporation group of companies.
HASTELLOY® is a registered trademark of Haynes International Inc.
Zircadyne® is a registered trademark of the ATI Properties Inc. companies.
Inconel 718 (N07718) Heavy Hex Bolts
HASM is an ISO 9001:2015, AS9100D and ISO 14001:2015 certified manufacturer and worldwide supplier of standard & custom Inconel 718 (N07718) heavy hex bolts. We also manufacture heavy hex bolts from these other materials: Hastelloy® C-276, Hastelloy® C-22, Hastelloy® B-2, Hastelloy® G-30, Monel® 400, Monel® K-500, Inconel® 600, Inconel® 625, Incoloy® A-286, Titanium Grade 2, Titanium Grade 5, Titanium Grade 7, Duplex S31803, Duplex S32205 and Super Duplex S32750, to name a few.
HASM Inconel 718 (N07718) Heavy Hex Bolts are manufactured by the cold heading and hot forming technologies in nominal diameters ranging from 1/8”- 3” (M3 – M80). We offer Inconel 718 (N07718) fasteners in both USCS/Imperial and metric sizes.
HASM’s advanced and comprehensive range of capabilities include engineering, R&D, prototyping, custom manufacturing, precision processing and testing. All HASM materials are sourced from the most reputable and exacting foundries in the world. We maintain a multi-million-dollar inventory of fasteners in our product warehouse, which enables HASM to select, package and expedite your Inconel 718 (N07718) heavy hex bolt order quickly.
We are globally recognized as the emerging leader of high-quality, Inconel 718 (N07718) fasteners and are proud to serve our distributors, EPCs, OEM and MRO customers worldwide.
HASM Inconel 718 (N07718) fasteners meet applicable ASTM, ANSI, ASME, SAE, API, NAS, AN, MS, NACE, ISO, DIN, and KS standards.
The markets we serve include Chemical Processing, Semiconductor, Power Generation, Aerospace, Oil & Gas, Pharmaceutical, Food & Beverage, Marine, Pulp & Paper, Petrochemical & Refining, Air Pollution Control, and Water Treatment.
Heavy Hex Bolt Dimensions
 | |||||||||||||||
| Dimensions of Heavy Hex Bolts | |||||||||||||||
| ANSI B 18.2.1-2012 | |||||||||||||||
| Nominal Size or Basic Product Diameter | E | F | G | H | R | LT | |||||||||
| Full-size Body Diameter | Width Across Flats | Width Across Corners | Head Height | Radius of Fillet | Nominal Thread Length for Screw Lengths | ||||||||||
| 6 in. and Shorter | Over 6 in. | ||||||||||||||
| Max. | Min. | Basic | Max. | Min. | Max. | Min. | Basic | Max. | Min. | Max. | Min. | Nom. | Nom. | ||
| 3/8 | 0.3750 | 0.388 | 0.360 | 11/16 | 0.688 | 0.669 | 0.794 | 0.763 | 1/4 | 0.268 | 0.226 | 0.03 | 0.01 | 1.000 | 1.250 |
| 1/2 | 0.5000 | 0.515 | 0.482 | 7/8 | 0.875 | 0.850 | 1.010 | 0.969 | 11/32 | 0.364 | 0.302 | 0.03 | 0.01 | 1.250 | 1.500 |
| 5/8 | 0.6250 | 0.642 | 0.605 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 27/64 | 0.444 | 0.378 | 0.06 | 0.02 | 1.500 | 1.750 |
| 3/4 | 0.7500 | 0.768 | 0.729 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.383 | 1/2 | 0.524 | 0.455 | 0.06 | 0.02 | 1.750 | 2.000 |
| 7/8 | 0.8750 | 0.895 | 0.852 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 37/64 | 0.604 | 0.531 | 0.06 | 0.02 | 2.000 | 2.250 |
| 1 | 1.0000 | 1.022 | 0.976 | 1-5/8 | 1.625 | 1.575 | 1.876 | 1.796 | 43/64 | 0.700 | 0.591 | 0.09 | 0.03 | 2.250 | 2.500 |
| 1-1/8 | 1.1250 | 1.149 | 1.098 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 3/4 | 0.780 | 0.658 | 0.09 | 0.03 | 2.500 | 2.750 |
| 1-1/4 | 1.2500 | 1.277 | 1.223 | 2 | 2.000 | 1.938 | 2.309 | 2.209 | 27/32 | 0.876 | 0.749 | 0.09 | 0.03 | 2.750 | 3.000 |
| 1-3/8 | 1.3750 | 1.404 | 1.345 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 29/32 | 0.940 | 0.810 | 0.09 | 0.03 | 3.000 | 3.250 |
| 1-1/2 | 1.5000 | 1.531 | 1.470 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1 | 1.036 | 0.902 | 0.09 | 0.03 | 3.250 | 3.500 |
| 1-5/8 | 1.6250 | 1.658 | 1.591 | 2-9/16 | 2.562 | 2.481 | 2.959 | 2.829 | 1-3/32 | 1.116 | 0.978 | 0.09 | 0.03 | 3.500 | 3.750 |
| 1-3/4 | 1.7500 | 1.785 | 1.716 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-5/32 | 1.196 | 1.054 | 0.12 | 0.04 | 3.750 | 4.000 |
| 1-7/8 | 1.8750 | 1.912 | 1.839 | 2-15/16 | 2.938 | 2.844 | 3.392 | 3.242 | 1-1/4 | 1.276 | 1.130 | 0.12 | 0.04 | 4.000 | 4.250 |
| 2 | 2.0000 | 2.039 | 1.964 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-11/32 | 1.388 | 1.175 | 0.12 | 0.04 | 4.250 | 4.500 |
| 2-1/4 | 2.2500 | 2.305 | 2.214 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 1-1/2 | 1.548 | 1.327 | 0.19 | 0.06 | 4.750 | 5.000 |
| 2-1/2 | 2.5000 | 2.559 | 2.461 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 1-21/32 | 1.708 | 1.479 | 0.19 | 0.06 | 5.250 | 5.500 |
| 2-3/4 | 2.7500 | 2.827 | 2.711 | 4-1/4 | 4.250 | 4.112 | 4.907 | 4.688 | 1-13/16 | 1.869 | 1.632 | 0.19 | 0.06 | 5.750 | 6.000 |
| 3 | 3.0000 | 3.081 | 2.961 | 4-5/8 | 4.625 | 4.475 | 5.340 | 5.102 | 2 | 2.060 | 1.815 | 0.19 | 0.06 | 6.250 | 6.500 |
NOTE: ALL HEX BOLT DIMENSIONS ARE IN INCHES.
INCONEL®, MONEL®, INCOLOY® and 800HT® are registered trademark of the Special Metals Corporation group of companies.
HASTELLOY® is a registered trademark of Haynes International Inc.
Zircadyne® is a registered trademark of the ATI Properties Inc. companies.