Either the wood is too hard,(Not likely) or the bit is dull. Â*Look at the bit under a magnifying glas. Â*Your best bet is to use a diamond sharpener and see if you can sharpen your bit. Â*If not, the bit may have been abused by someone else and the cutting edges may be ruined. Â*In which case you must get a new bit. Â*Waldgeist.
