hyper offensive steel

Skarmory @ Focus Sash
Ability: Weak Armor
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Stealth Rock
- Spikes
- Taunt
- Brave Bird

Celesteela @ Flyinium Z
Ability: Beast Boost
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Autotomize
- Air Slash
- Fire Blast
- Giga Drain

Excadrill @ Choice Scarf
Ability: Mold Breaker
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Earthquake
- Iron Head
- Rock Slide
- Rapid Spin

Heatran @ Air Balloon
Ability: Flash Fire
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Magma Storm
- Earth Power
- Taunt
- Toxic

Scizor-Mega @ Scizorite
Ability: Light Metal
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Swords Dance
- Bullet Punch
- Superpower
- Bug Bite

Bisharp @ Life Orb
Ability: Defiant
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Sucker Punch
- Knock Off
- Iron Head

OR

Doublade @ Eviolite
Ability: No Guard
EVs: 252 HP / 160 Atk / 96 SpD
Adamant Nature
- Swords Dance
- Iron Head
- Shadow Claw
- Shadow Sneak

(can be used over scizor or doublade, depending on what types you are encountering most)