The Senco Square drill bits are replacement parts and are made from heat treated tool steel for extended bit life. They are designed to fit precisely in Senco DuraSpin screws for optimal performance. The Square bit engages smoothly and accurately for high speed applications.
- Designed to fit DS440-AC, DS425-AC
- #2 square drive
- Drives 1-3 in. screws
- Carbide steel
- Long life and durable
- Works with all Senco square drive screws