Flat Head Sheetnuts Type FRS
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| Thread & Pitch | Grip Range | Hole Size +0.1 | D | d | S | L | Height when installed (guide only) |
| M3x0.5 | 0.3;-; 1.8; | 5.0 ; | 8.0 ; | 4.9 ; | 0.8 ; | 9.0 ; | 4.5 ; |
| M4x0.7 | 0.3;-; 2.0; 2.0;-; 4.0; |
6.0 ; | 9.0 ; | 5.9 ; | 0.8 ; | 10.5 ; 12.5 ; |
6.0 ; |
| M5x0.8 | 0.5;-; 3.0; 3.0;-; 5.0; |
7.0 ; | 10.0 ; | 6.9 ; | 1.0 ; | 14.0 ; 16.0 ; |
7.0 ; |
| M6x1.0 | 0.5;-; 3.0; 3.0;-; 6.0; |
9.0 ; | 13.0 ; | 8.9 ; | 1.5 ; | 16.0 ; 19.0 ; |
8.0 ; |
| M8x1.25 | 0.5;-; 3.5; 3.5;-; 6.0; |
11.0 ; | 16.0 ; | 10.9 ; | 1.5 ; | 17.5 ; 20.0 ; |
9.5 ; |
| M10x1.5 | 0.8;-; 3.5; 3.5;-; 6.0; |
12.0 ; | 16.0 ; | 11.9 ; | 1.7 ; | 19.0 ; 22.0 ; |
11.0 ; |
| Materials | Standard finishes | |
| Mild Steel | Zinc / Yellow Passivated (SZ) |