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L&I® Core Drill, Series: 521U, 1/2 in Drill Size - Fraction, 0.5 in Drill Size - Decimal Inch, 8-1/4 in Overall Length, 4-3/8 in Cutting Depth, 3 Flutes, 4-3/8 in Flute Length, Tapered Shank, 118 deg Point, Conventional Point, HSS Cutting Edge, HSS, Oxide Treated
| Cutting Depth | : | 4-3/8 in |
| Cutting Edge Material | : | HSS |
| Drill Size - Decimal Inch | : | 0.5 in |
| Drill Size - Fraction | : | 1/2 in |
| Finish | : | Oxide Treated |
| Flute Length | : | 4-3/8 in |
| Material | : | HSS |
| Number of Flutes | : | 3 |
| Overall Length | : | 8-1/4 in |
| Point Angle | : | 118 deg |
| Point Type | : | Conventional |
| Series | : | 521U |
| Shank Type | : | Tapered |
- Because of their rigidity, these tools generate closer tolerance holes and better finish than standard drills
- They may be used to enlarge holes as small as 60% of the tool diameter