If you're really in favor of the punches, why not go with an Iron Fist Golurk? If you ever do, consider this, just in case you don't want an Iron Fist Conkeldurr.
***Golurk***@ Life Orb
Trait: Iron Fist
EVs: 252 Atk / 252 Def / 4 HP
Adamant Nature (+Atk, -SAtk)
- Shadow Punch
- Drain Punch
-...