Walter 01W021 3/16" - 1/2" Spiral Multi-Step™ Drill Bit (1 Drill Bit)

Walter 01W012 1/4" - 1-3/8" Spiral Multi-Step™ Drill Bit (1 Drill Bit)

Walter Multi-Step™ drills enlarge existing holes very efficiently and create the ideal diameter needed for your work. They are durable, resistant to the highest heat levels and demanding applications. 

• Description: 6 steps from 3/16" to 1/2"
• Type of Flute: Spiral
• Shank Size: 1/4" 
• Overall Length: 3-1/8"
• Coated with exclusive mixture of chromium and aluminum (AlCrN)
• High heat threshold for a longer lifespan and optimal precision 
• Made with M2Al raw material for higher resistance to continuous vibrations and impacts while drilling 
• Comes with three flats on shank for easy mounting drills