Electric open-ended punch (quick-change dies) · Rhin-O-Tuff
Rhin-O-Tuff Onyx HD7725 Ultima
Binding type: Interchangeable dies: comb, double-loop wire, plastic coil, VeloBind, 3-hole loose leaf · Punch capacity: Up to 55 sheets (110 pages) of 20 lb bond; up to 5 plastic Mylar sheets
Listed on the manufacturer's website (source, as of Oct 18, 2026)
Where to buy
Machines in this class are mostly sold and serviced through the manufacturer's authorized dealers. We didn't find an Amazon listing for this exact model with a current offer. We don't show prices; ask a dealer or check the retailer for the current price.
Specifications
| Brand | Rhin-O-Tuff |
|---|---|
| Model | Onyx HD7725 Ultima |
| Type | Electric open-ended punch (quick-change dies) |
| Binding type | Interchangeable dies: comb, double-loop wire, plastic coil, VeloBind, 3-hole loose leaf |
| Punching | Electric; foot pedal and palm switch (Versa Switch optional); automatic and manual reverse |
| Punch capacity | Up to 55 sheets (110 pages) of 20 lb bond; up to 5 plastic Mylar sheets |
| Punch length | 14" (356 mm) open-ended |
| Speed | 65 punch cycles per minute |
| Power | 115 V, 4 A, 60 Hz (230 V, 2 A, 50 Hz version) |
| Dimensions | 8 1/2" H × 21" W × 22 1/2" D |
| Weight | 96 lb (103 lb shipping) |
Rhin-O-Tuff notes that the number of sheets depends on paper weight and punch pattern; dies are priced separately.
Values as published by the manufacturer, in its own units. Fields the manufacturer doesn't state are left out rather than estimated. Shown without scores or rankings.
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