Nachi List 561 21/32 HSS Screw Machine Length Straight Shank Drill
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This is a new Nachi List 561 series 21/32 in. (0.65625 in.) straight shank, screw machine length (stub length) drill bit manufactured from high speed steel (HSS). Screw machine length drills feature a shorter flute and overall length compared to jobber-length drills, providing greater rigidity and reduced deflection — making them well-suited for high-volume production drilling on turret lathes, screw machines, drill presses, and CNC machining centers where stub-length rigidity is required. The straight shank is compatible with standard drill chucks and collet-style toolholders. Nachi's List 561 HSS drills are ground to standard tolerances for accurate hole sizing in ferrous and non-ferrous metals, plastics, and similar materials.
Product Specifications
| Brand | Nachi |
| List Number | List 561 |
| Drill Diameter | 21/32 in (0.65625 in) |
| Shank Type | Straight Shank |
| Length Series | Screw Machine Length (Stub) |
| Material | High Speed Steel (HSS) |
| Number of Flutes | 2 |
| Point Style | Conventional 118° point |
| Coating | Uncoated (bright finish) |
| Quantity | 1 pc |
| Condition | New |