+44 (0)1493 656145 enquiries@slimdril.com



The Viper rock reamer is HDD’s most versatile, longest lasting and strongest hole opener on the
market today. Up to 202 hours of working have been recorded with these tools and performance has
been superb. The large range of hole opening sizes and rage of cutters makes this the tool to use.


Mini & Midi Viper

Large Viper