drill
JP1794612SActive Publication Date: 2025-03-28SAITO MANUFACTURING CO LTD
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Patent Information
- Application Number
- JP2024024154D
- Authority / Receiving Office
- JP · JP
- Patent Type
- Designs
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2049-11-21
Smart Images
Figure 0001794612000001 
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Abstract
This article is a drill that cuts workpieces such as metals to perform hole drilling, and is equipped with coolant supply grooves that are twisted in the opposite direction to the grooves for discharging chips that are twisted in the rotational direction. Because the coolant supply grooves in this article are twisted in the opposite direction to the rotational direction, the rotation promotes the supply of coolant (cutting oil) toward the tip (drilling direction), thereby improving cooling and lubrication during drilling.
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