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The Dormer B1805.3 NC Reamer is a high-precision tool engineered for finishing holes within H7 tolerance. Made from premium cobalt high-speed steel (HSS-E), it features a bright finish, 6-flute design, and a 45° bevel lead for accurate centering. Its H6 straight shank ensures compatibility with high-accuracy CNC tool holders, making it ideal for demanding machining tasks across various metals.
| Material | hss_(high-speed_steel) |
| Finish Type | Unfinished |
| Cutting Diameter | 5.3 Millimetres |
| Number of Flutes | 6 |
| Size | 5.30 mm |
| Brand | Dormer |
| Shape | Round |
| Global Trade Identification Number | 07320760419137 |
| Manufacturer | Dormer Pramet |
| Country of Origin | USA |
| Model number | 0419137 |
| Colour | Bright Finish |
| Number of Memory Sticks | 1 |
| Special Feature | Designed for high performance reaming with CNC machines held in high accuracy tool holders or chucks |
| Item Weight | 40.8 g |
| Package Dimensions | 16.08 x 6.58 x 6.58 cm; 40.82 g |
| Item model number | 0419137 |
| Included Components | 1 x Cobalt Steel Straight Shank Chucking Machine Reamer |
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