Manufacturers & Suppliers of Heavy hex structural bolts, twist off type heavy hex and round head configurations. Inch series.
This product is regulated by the following standards:
Full List of Suppliers
Distributor of high tensile screws and nuts in stainless steel and alloy steel
International manufacturer of high quality fixings and fasteners, active since 50 years. We have a variety of nuts, bolts, washers, screws, threaded bars, clamps, rivets, wire ropes, nails and raw material in M.S. S.S 316, 304 grades and brass.
Distributor of fasteners for the industrial distribution market. We aim to create the best customer experience possible by putting our customers’ needs first. With a wide range of products and services, we provide customers with more options, making managing their fastener program easier.
Manufacturer of components and facilities for lifting machines: twist locks, chain anchors, flats, hooks, bushings and bearing nuts
Manufacturer of standard and special fasteners, from M4 to M30, from 1/4' to 1-1/4'. Lengths from 10 to 300mm and from 1/2' to 12'.
Manufacturer and distributor of fasteners for oil sector, threaded rods, stud bolts, foundation bolts, road crash barrier fasteners, high strength fasteners.
Manufacturer of special cold and hot forged nuts and bolts: Metric, UNF, UNC, BSF & BSW (Whitworth) threadforms
Leading manufacturer of standard and special high tensile fasteners, supplier of leading customers in the automotive and industrial sectors.
Manufacturer of corrosion Resistant fasteners for the Energy, Petrochemical & Infrastructure sectors.
Manufacturing and exports of High Tensile Automotive & Industrial Fasteners.
Our products also include stainless steel standards and specials, forged and machine parts.
Technical data
Heavy hex structural bolts, twist off type heavy hex and round head configurations. Inch series.
This product is regulated by the following standards:
Standard ASME B18.2.6
The table 3 of ASME B18.2.6 standard covers the general dimensions in inches of the heavy hex nuts ASTM A563 and ASTM A194.
|
Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.6 table 3 heavy hex nuts for use with structural bolts |
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|
d Thread size
|
Nr. of threads x inch |
F nom | G min | H nom | ||
| inch | mm | UNC | UNF | |||
|
1/2
|
12.70 | 13 | 20 | |||
|
5/8
|
15.88 | 11 | 18 | |||
|
3/4
|
19.05 | 10 | 16 | |||
|
7/8
|
22.23 | 9 | 14 | |||
|
1
|
25.40 | 8 | 12 | |||
| 1-1/8 | 28.58 | 7 | 12 | |||
| 1-1/4 | 31.75 | 7 | 12 | |||
| 1-3/8 | 34.93 | 6 | 12 | |||
| 1-1/2 | 38.10 | 6 | 12 | |||
Details
Heavy hex structural bolts, twist off type heavy hex and round head configurations. Inch series.
|
Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.6 2011 table 1 heavy hex structural bolts |
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|
d Thread size
|
Nr. of threads x inch |
E min | F nom | G min | H nom | Lt ref | ||
| inch | mm | UNC | UNF | |||||
|
1/2
|
12.70 | 13 | 20 | 0.482 | 0.875 | 0.969 | 0.313 | 1 |
|
5/8
|
15.88 | 11 | 18 | 0.605 | 1.602 | 1.175 | 0.391 | 1.25 |
|
3/4
|
19.05 | 10 | 16 | 0.729 | 1.250 | 1.383 | 0.469 | 1.38 |
|
7/8
|
22.23 | 9 | 14 | 0.852 | 1.438 | 1.589 | 0.547 | 1.5 |
|
1
|
25.40 | 8 | 12 | 0.976 | 1.625 | 1.796 | 0.609 | 1.75 |
| 1-1/8 | 28.58 | 7 | 12 | 1.098 | 1.812 | 2.002 | 0.69 | 2 |
| 1-1/4 | 31.75 | 7 | 12 | 1.223 | 2 | 2.209 | 0.781 | 2 |
| 1-3/8 | 34.93 | 6 | 12 | 1.345 | 2.188 | 2.416 | 0.844 | 2.25 |
| 1-1/2 | 38.10 | 6 | 12 | 1.470 | 2.375 | 2.622 | 0.938 | 2.25 |
|
Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.6 2011 table 7 twist off type tension control round head bolts |
|||||||||
|
d Thread size
|
Nr. of threads x inch |
E min | D max | H min | Lt ref | Ls | S | ||
| inch | mm | UNC | UNF | ||||||
|
1/2
|
12.70 | 13 | 20 | 0.482 | 1.126 | 0.302 | 1 | 0.5 | 0.32 |
|
5/8
|
15.88 | 11 | 18 | 0.605 | 1.313 | 0.378 | 1.25 | 0.6 | 0.43 |
|
3/4
|
19.05 | 10 | 16 | 0.729 | 1.58 | 0.455 | 1.38 | 0.65 | 0.53 |
|
7/8
|
22.23 | 9 | 14 | 0.852 | 1.88 | 0.531 | 1.5 | 0.72 | 0.61 |
|
1
|
25.40 | 8 | 12 | 0.976 | 2.158 | 0.591 | 1.75 | 0.8 | 0.7 |
| 1-1/8 | 28.58 | 7 | 12 | 1.098 | 2.375 | 0.658 | 2 | 0.9 | 0.8 |
|
Dimensions in inches (1 inch=25.4 mm) source ASME B18.2.6 2011 table 7 twist off type tension control heavy hex structural bolts |
||||||||||
|
d Thread size
|
Nr. of threads x inch |
E min | F nom | G min | H min | Lt ref | Ls | S | ||
| inch | mm | UNC | UNF | |||||||
|
1/2
|
12.70 | 13 | 20 | 0.482 | 0.875 | 0.969 | 0.302 | 1 | 0.5 | 0.32 |
|
5/8
|
15.88 | 11 | 18 | 0.605 | 1.062 | 1.175 | 0.378 | 1.25 | 0.6 | 0.43 |
|
3/4
|
19.05 | 10 | 16 | 0.729 | 1.25 | 1.383 | 0.455 | 1.38 | 0.65 | 0.53 |
|
7/8
|
22.23 | 9 | 14 | 0.852 | 1.438 | 1.589 | 0.531 | 1.5 | 0.72 | 0.61 |
|
1
|
25.40 | 8 | 12 | 0.976 | 1.625 | 1.796 | 0.591 | 1.75 | 0.8 | 0.7 |
| 1-1/8 | 28.58 | 7 | 12 | 1.098 | 1.812 | 2.002 | 0.658 | 2 | 0.9 | 0.8 |