Guhring 1184-13.500 13.5mm DIN 6537K TiN S-Ratiobohrer U Carbide Drill
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The Guhring No. 1184-13.500 is a solid carbide S-Ratiobohrer U (ratio drill) with a 13.5 mm cutting diameter, conforming to DIN 6537K with a right-hand cut (R) and RT1 point geometry, manufactured in Germany. The "S-Ratiobohrer U" designation identifies this as a short-series solid carbide drill engineered for high-performance through-coolant-capable machining of steel, cast iron, and non-ferrous materials, featuring Guhring's proprietary RT1 (ratio thinned) point for self-centering and reduced thrust force. The bright gold TiN (Titanium Nitride) PVD coating — clearly visible in the product photo — provides surface hardness up to ~2300 HV, reduced built-up edge, and extended tool life compared to uncoated carbide. The cylindrical shank (DIN 6535 HA style per DIN 6537K standard) is uncoated for precise chuck grip, and the drill is supplied new in original Guhring packaging (K/P 21063047, EAN 4031093292689).
Product Specifications
| Brand | Guhring |
| Part Number | 1184-13.500 |
| K/P Number | 21063047 |
| EAN | 4031093292689 |
| Series | S-Ratiobohrer U |
| Drill Diameter | 13.5 mm |
| Standard | DIN 6537K |
| Cut Direction | Right-Hand (R) |
| Point Geometry | RT1 (ratio thinned) |
| Coating | TiN (Titanium Nitride) |
| Substrate | Solid Carbide |
| Shank Type | Cylindrical (DIN 6535 HA) |
| Country of Origin | Germany |
| Quantity | 1 piece |