IFI
Industrial Fastener Institute
IFI often covers fastener types that are not covered by other standard organizations.
Common IFI Standards
| IFI Standard | Fastener Type |
|---|---|
| 100/107 | Prevailing Torque Nuts |
| 114 | Dome Head Blind Rivet, Large Dome Head Blind Rivet, Countersunk Blind Rivet |
| 117 | Pull Through Mandrel Style Rivets |
| 119 | Structural Rivets |
| 123 | Drive Pin Rivets |
| 126 | Closed End Blind Rivets |
| 128 | Hex Coupling Nuts |
| 130 | Structural Splitting Rivets |
| 134 | Multi-Grip Rivets |
| 136 | U-Bolts, Square U-Bolts, L-Bolts, Wire Form Eye Bolts |
| 145 | Hex Flange Nuts, Large Flange Hex Nuts |
| 148 | Weld Studs |
| 156 | Thumb Screws (Type A/B), Wing Screws (Type A/B/C/D) |