Ningbo Lianchuang Hewo Precision Tools Co., Ltd
| Packaging Details | standard packaging |
| Delivery Time | 7-10day |
| Supply Ability | 1000000 Piece/Pieces per Month |
| Coating | TiN, TiCN, TiAlN, Or TiAlCrN |
| Cutting Direction | Right Hand |
| Coolant Hole | Available |
| Accuracy | ±0.001 Inch |
| Surface Finish | Bright Or Black Oxide |
| Material | High-speed Steel |
| Flute Type | Single Flute |
| Shank Type | Straight Shank |
| Brand Name | ARNOLD |
| Place of Origin | China |
| Certification | ISO9001:2000 |
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Product Specification
| Packaging Details | standard packaging | Delivery Time | 7-10day |
| Supply Ability | 1000000 Piece/Pieces per Month | Coating | TiN, TiCN, TiAlN, Or TiAlCrN |
| Cutting Direction | Right Hand | Coolant Hole | Available |
| Accuracy | ±0.001 Inch | Surface Finish | Bright Or Black Oxide |
| Material | High-speed Steel | Flute Type | Single Flute |
| Shank Type | Straight Shank | Brand Name | ARNOLD |
| Place of Origin | China | Certification | ISO9001:2000 |
| High Light | Bright Surface Gun Drill Tool ，Bright Surface Gun Drill Tool ，High Accuracy carbide gun drills | ||
A Gun Drill is a special type of drill used for making deep, precise holes, originally developed for drilling gun barrels — hence the name. It is widely used in industries like automotive, aerospace, mold making, and medical devices.
Advantages of Gun Drills
Excellent Deep Hole Capability
Can drill holes over 100× diameter (D)
Ideal for deep, narrow, and precision bores
High Hole Accuracy
Superior straightness, roundness, and coaxiality
Typically achieves IT8–IT10 tolerance levels
Smooth Surface Finish
Surface roughness can reach Ra 0.4–1.6 µm, reducing the need for reaming or honing
Efficient Chip Removal
Internal high-pressure coolant flushes chips out smoothly
Prevents clogging and overheating
Stable and Low Vibration Drilling
Guide pads stabilize the tool and reduce tool deflection
Suitable for long and precise holes
Long Tool Life (with proper use)
With correct speeds, feeds, and coolant, gun drills maintain sharpness over long runs
Carbide-tipped or solid carbide options available
Applicable to Various Materials
Effective on steel, aluminum, copper, titanium, plastic, and other metals or composites
Automation-Friendly
Can be used in CNC machines, gun drilling machines, or modified lathes
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Applications of Gun Drills
Gun drills are utilized in various industries and applications where deep, straight, and precise holes are essential. Some common industries and examples include:
Company Details
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
6000000-8000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Ningbo Lianchuang Hewu Precision Tools Co., Ltd. specializes in providing comprehensive solutions for precision cutting technology. We offer customers high-quality metal cutting tools, including indexable inserts, carbide cutting tools, PCD cutting tools, as well as design development and technical ... Ningbo Lianchuang Hewu Precision Tools Co., Ltd. specializes in providing comprehensive solutions for precision cutting technology. We offer customers high-quality metal cutting tools, including indexable inserts, carbide cutting tools, PCD cutting tools, as well as design development and technical ...
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