With an extra large flange for increased friction between bolt and surface, our large hex flange machine screws feature serrations under the flange as well as a non-indented head for better tool grip while eliminating dirt accumulation. Available in grade 5, all serrated large flange machine screws come with trivalent finish and meet all IFI-111 specifications.
| NBS Corp. | |
|---|---|
| Product Category | Screws |
| Product Number | BS5LFT02000420Z |
| Product Name | 1/4-20 x 1/2" Gr. 5 Hex Flange Machine Screw, Large, Serrated, Non-Indented Head, Zinc |
| Screw Type | Machine Screw |
| Head Type | Hexagon Head |
| Material | Steel |
| Finish | Zinc Plated |
