Good internal combustion rail drilling machine quality, low price, full range service hotline: 18853736667 Industry: Railway product performance and a brief description of the product advanced structure, the new structure. With a worm gear, durable, easy to carry, part of the rod clamp rail self-locking mechanism, rail clamp solid and reliable, simple, time-saving, easy maintenance, easy maintenance, drilling speed, high precision, and into the drill move smoothly without exclusion. The main technical parameters (1) engine: 5.5 hp power, speed 200 rev / min (2) Dimensions: 680 × 280 × 520 mm (3) Drilling range: Φ23-Φ32mm (4) Aperture deviation: ± 0.5mm ( 5) stroke of not less than: 105mm (6) Total weight: 45 kg (7) applies to (28-43-75 kg / m) number of different track types (8) 3-4 taper shank