The RH 658 5L is a globally trusted, heavy-duty pneumatic sinker drill designed for hard and abrasive rock like granite and quartzite. Weighing 24 kg, it offers a high rotation speed of 215 rpm, ensuring rounder holes and more accurate blast patterns compared to lighter models. It features a standard 22 x 108 mm shank and has the power to drill up to 6 metres deep with ease, making it an industry standard for shaft sinking and quarrying. A versatile tool by design, it can be converted into a jackleg drill using an adapter for horizontal drilling in underground mines.
Technical Specification
| Model # | RH 658 5L | |
| Weight | 24 kg | 53 lb |
| Hole Depth | 6 metre | 20 ft |
| Length | 565 mm | 22" |
| Air consumption | 58 l/s | 123 cfm |
| Air pressure | 6 bar | 87 psi |
| Blows per minute | 2040 | |
| Revolutions | 215 rpm | |
| Hose connection | 19 mm | ³/₄" |
| Shank size (8311 0302 77) | 22 x 108 mm | ⁷/₈" x 4¼" |
| Manufacturer | OEM | |
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