The "HR 500" series high-speed reamer for through holes, developed by the No. 1 manufacturer in Germany with over 125 years of history, features an internal lubrication specification.
One of Gühring's bestsellers, the 'HR 500 D' internal coolant type (with oil holes) solid carbide reamer for through holes features unparalleled ultra-high-speed and high-performance capabilities. It enables high-quality hole finishing at ultra-high speeds, significantly improving production efficiency through reduced processing time. It has a wide range of applicability for workpieces, balancing high performance with high reliability. The internal coolant with a shank-through design ensures reliable chip removal in the feed direction for through holes.
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basic information
■Material: Carbide ■Diameter: Φ1.970 to Φ20.030 ■Oil Hole: Yes (Internal oil supply through the shank) ■Surface Treatment: nanoA Coating ■Shank Tolerance: h6 ☆★About Guhring★☆ Since its founding in 1898, Guhring has held the top market share in cutting tools in Germany. It has over 40 years of sales experience in Japan and is rare among foreign manufacturers for having a domestic production facility, offering custom manufacturing as well as regrinding and recoating services.
Price information
For more details, please refer to the product catalog or feel free to contact us.
Delivery Time
Applications/Examples of results
- P: ◎ - M: ◎ - K: ○ - N: - S: ◎ - H: ○ *For more details, please refer to the cutting conditions table in the product catalog or feel free to contact us.
Detailed information
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Material: Super hard
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Surface treatment: nanoA coating
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Oil hole: Present (internal lubrication)
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Shank tolerance: h6
Line up（2）
| Model number | overview |
|---|---|
| 1676 | [Blade diameter tolerance +0.005][Internal lubrication][Coating] |
| 1686 | [H7 tolerance hole][Internal lubrication][Coating] |
catalog（5）
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Company information
In 1898, the founder Gottlieb Gühring began the production of cutting tools in Germany based on the belief that "the highest quality conquers the world." In the early days, the number of products was small, and the catalog consisted of only a few pages, but now we have a standard product lineup that exceeds 4,500 types and 100,000 items. "We will not allow others to catch up with us in terms of product quantity and precision" – this belief will continue to be the foundation of our company as we strive to improve. "From standard products to special items, from spindles to cutting edges" – we sincerely wish to be a strong partner for our customers by not only developing and manufacturing cutting tools but also earnestly addressing any challenges related to cutting technology.