Soft-cable Manipulator,lifter vacuum,cantilever crane,vacuum gripper,pick and place robot arm Jiangyin Tongli Industrial Co.,Ltd , https://www.manipulator17.com
Prevailing Torque Type Hex Flange Nuts are designed to provide a secure fastening solution with high resistance against loosening due to vibration. These nuts are manufactured according to ANSI standards IFI-100/107-2002 and are available in both inch and metric sizes. The inch sizes range from 1/4-20, 3/8, up to 3/4 inch UNC/UNF, while the metric versions follow DIN6927 standards for M6 to M24, including both standard and fine threads.
They come in various grades such as Grade 8 and Grade 10 (equivalent to IFI Grades G and F), offering different levels of strength and durability. These nuts are available in multiple finishes, including plain, cadmium and waxed, and yellow zinc coatings, providing corrosion resistance and improved performance in various environments.
The product line includes several types such as Top Lock Nuts, Regular Flange Nuts, Large Flange Nuts, and Hex Serrated Flange Nuts. Each type is suitable for specific applications depending on the required holding torque and environmental conditions.
Here is an overview of some of the available specifications:
| Part Number | Standard | Weight (lbs) |
|-------------|----------|--------------|
| 7/16-20 TOP LOCK NUT GR C PLAIN | PER IFI STANDARDS | 13.1 |
| 1/2-13 TOP LOCK NUT GR C PLAIN | PER IFI STANDARDS | 17.6 |
| 5/8-11 TOP LOCK NUT GR C PLAIN | PER IFI STANDARDS | 36.7 |
| 5/8-18 TOP LOCK NUT GR C PLAIN | PER IFI STANDARDS | 36.7 |
| 3/4-10 TOP LOCK NUT GR C PLAIN | PER IFI STANDARDS | 62 |
| 7/16-20 TOP LOCK NUT GR C CADIUM & WAXED | PER IFI STANDARDS | 13.1 |
| 1/2-13 TOP LOCK NUT GR C CADIUM & WAXED | PER IFI STANDARDS | 17.6 |
| 5/8-11 TOP LOCK NUT GR C CADIUM & WAXED | PER IFI STANDARDS | 36.7 |
| 5/8-18 TOP LOCK NUT GR C CADIUM & WAXED | PER IFI STANDARDS | 36.7 |
| 3/4-10 TOP LOCK NUT GR C CADIUM & WAXED | PER IFI STANDARDS | 62 |
| 3/8-16 TOP LOCK NUT GR A REGULAR FLANGE YELLOW ZINC | PER IFI STANDARDS | 2.82 |
| 3/8-16 TOP LOCK NUT GR A LARGE FLANGE YELLOW ZINC | PER IFI STANDARDS | 2.82 |
| 3/8-16 GRADE G FLANGE LOCK NUT YELLOW ZINC | PER IFI STANDARDS | 2.39 |
| 7/16-20 GRADE G FLANGE LOCK NUT YELLOW ZINC | PER IFI STANDARDS | 2.5 |
| 5/16-18 HEX SERRATED FLANGE NUT HVY YELLOW ZINC | PER IFI STANDARDS | 7.2 |
| 3/8-16 HEX SERRATED FLANGE NUT HVY YELLOW ZINC | PER IFI STANDARDS | 12.0 |
For more information on prevailing torque hex nuts or hex flange nut standards, visit us online at [www.hexnuts.cn](http://www.hexnuts.cn).
August 02, 2025