In underground mining and tunneling, productivity and reliability depend heavily on the performance of your rock drill. The COP MD20 is a hydraulic drifter designed specifically for underground drifting and optimized blast and bolt hole drilling.

ALFAROK COP MD20 – Key Specifications:
▪ Weight: 186 kg (410 lb)
▪ Length (without shank adapter): 915 mm (3 ft)
▪ Width (including connectors): 254 mm (10 in)
▪ Height: 238 mm (9.4 in)
▪ Height over drill center: 93 mm (3.7 in)

What makes this class of drifter stand out?
✔ Low running cost – Robust design with sealed mating surfaces and extended recommended service intervals
✔ High productivity – Fine-tuned for efficient blast and bolt hole drilling
✔ Lower drilling tool cost – Thanks to an optimized dual damping system that reduces wear

Why choose Alfarok?
✔ Shorter lead times vs OEM – No need to wait months for spare parts. Most service parts can be delivered within 5–14 business days. Time is money.
✔ Lower operating cost – We use the same high-grade raw materials as OEMs, but with more competitive pricing. Keep the same performance and free up budget for new projects.
✔ Real warranty support – Unlike many aftermarket suppliers, we stand behind our products. Warranty cases are reviewed within 1–3 business days, with fast and practical solutions—no long waiting periods.

At Alfarok, we manufacture and supply high-quality aftermarket drifters and spare parts compatible with this class of equipment—helping our partners achieve reliable performance with a competitive total cost of ownership.

If you’re working in underground development, drifting, or bolting, let’s talk.