Walter 01A521 Fractional 21/64" SST 135° Jobbers Round Shank Drill Bit
Walter SST drill bits are made with a cobalt blend to drill even more holes faster on any type of material.
- Drill size: 21/64"
- Flute length: 2 15/16"
- Overall length: 4 19/32"
- "High flow" flute design
- Back tapered body
- Drills more holes, faster
- Heavy-duty fully ground body construction
- Special bronze SST surface treatment
Materials
- High tensile steel
- Mild steel
- Non-ferrous metal
- Stainless steel
Applications
- Drilling of round surfaces
- Drilling with stationary machines
