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| Attribute | Composi-Lok IIComposite | Hi-Lok | CherryMAX |
|---|---|---|---|
| Brand | Monogram | Howmet/Huck | Cherry |
| Category | Blind bolt | Lockbolt / pin-collar | Blind rivet |
| Install | One side (blind) | Both sides | One side (blind) |
| Composite-optimized | Yes | No | No |
| Shear | 75–95 ksi | 85–95 ksi | 50–75 ksi |
| Blind bulb | large | n/a | large |
| Max service | ≤ 900°F | ≤ 900°F | ≤ 900°F |
| Head styles | Protruding, 100° flush, 130° flush (composite) | Protruding, 100° flush | Protruding, 100° flush |
| Diameters | 3/16, 1/4, 5/16, 3/8" | 5/32, 3/16, 1/4, 5/16, 3/8" | 1/8, 5/32, 3/16, 1/4" |
| Standards | NAS (Composi-Lok series) | NAS (Hi-Lok series), MS | MS90353, NAS (CherryMAX series) |
| Lead-time risk | High | Low | Low |
| Tooling | Proprietary | Standard | Standard |
| Best for | The composite blind-bolt standard — biggest blind footprint, high clamp-up. | The fatigue-joint default when you can reach both sides — torques itself off. | The workhorse structural blind rivet — large bulb, ubiquitous tooling. |