Bosch Type II Auger Bit Features: 
• Power Band feature Increases Strength and Durability Allowing for Heavy Duty Cutting through Nails and Staples.
• Item # – ASHST22
• Diameter – 1-3/8″
• Flute Length – 5″
• Overall Length – 7.5″
• Shank Size – 7/16″ hex
• Quantity – 1 

• Hollow center flute provides wide-open channel for fast chip removal
• Low-friction flute with black oxide coating reduces chip clogging
• Self-feeding screw point for soft and hard woods
• Universal power groove hex shank for power drill or impact driver
• Full length heat treatment for heavy duty applications