Product Description:
Main Structural Part
The drill body serves as the primary structural component of a drill bit, responsible for providing support to the cutting section and facilitating the transmission of drilling force. Moreover, it aids in the removal of chips during the drilling operation.
Essential Features
The drill body is equipped with various essential features to optimize its functionality. These include flutes designed for efficient chip evacuation, margins that offer guidance, and a core that enhances strength. Additionally, certain designs may incorporate coolant channels to enhance drilling performance and prolong the tool's lifespan.
Material Composition
Common materials utilized for the construction of drill bodies encompass high-speed steel (HSS), carbide, and coated alloys. The drill body's material composition is critical in ensuring stability, accuracy, and overall performance throughout the drilling processes.
Features:
Key Features
- Spiral Flutes: Efficient chip removal and smooth drilling.
- Strong Core: Ensures structural rigidity and reduces breakage.
- Precision Margins: Improve hole accuracy and reduce vibration.
- Optional Coolant Channels: Enhance heat dissipation in high-speed drilling.
Main Advantages
- Stable Performance: Maintains alignment during drilling.
- High Durability: Made from wear-resistant materials like HSS or carbide.
- Versatile Design: Suitable for various materials and machining environments.
- Improved Productivity: Supports higher cutting speeds and longer tool life.
Technical Parameters:
| Order Code | Lc mm | L4 mm | L5 mm | d mm | Seat size | Dc | Dc max | | EP-G88107-125-B16 EP-G88107-13-B16 EP-G88107-135-B16 | 106 106 106 | 116 | 48 | 16 | C | 12.50 | 13.00 | | 116 | 48 | 16 | C | 13.00 | 13.50 | | 116 | 48 | 16 | C | 13.50 | 13.50 | | EP-G88107-136-B16 | 114 | 123 | 48 | 16 | B | 13.51 | 14.00 | | EP-G88107-14-B16 | 114 | 123 | 48 | 16 | B | 14.00 | 14.50 | | EP-G88107-145-B20 | 114 | 123 | 48 | 20 | B | 14.50 | 14.50 | | EP-G88107-146-B20 | 124 | 135 | 50 | 20 | A | 14.51 | 15.00 | | EP-G88107-15-B20 | 124 | 135 | 50 | 20 | A | 15.00 | 15.50 | | EP-G88107-155-B20 | 124 | 135 | 50 | 20 | A | 15.50 | 15.87 | | EP-G88107-16-B20 | 139 | 151 | 50 | 20 | 1 | 15.88 | 17.00 | | EP-G88107-17-B20 | 139 | 151 | 50 | 20 | 1 | 17.00 | 18.00 | | EP-G88107-18-B20 | 139 | 151 | 50 | 20 | 1 | 18.00 | 18.00 | | EP-G88107-181-B25 | 157 | 172 | 56 | 25 | 2 | 18.01 | 19.00 | | EP-G88107-19-B25 | 157 | 172 | 56 | 25 | 2 | 19.00 | 19.99 | | EP-G88107-20-B25 | 172 | 186 | 56 | 25 | 3 | 20.00 | 21.00 | | EP-G88107-21-B25 | 172 | 186 | 56 | 25 | 3 | 21.00 | 22.00 | | EP-G88107-22-B25 | 172 | 186 | 56 | 25 | 3 | 22.00 | 22.00 | | EP-G88107-221-B25 | 188 | 201 | 56 | 25 | 4 | 22.01 | 23.00 | | EP-G88107-23-B25 | 188 | 201 | 56 | 25 | 4 | 23.00 | 24.00 | | EP-G88107-24-B25 | 188 | 201 | 56 | 25 | 4 | 24.00 | 24.00 | | EP-G88107-241-B32 | 207 | 225 | 60 | 32 | 5 | 24.01 | 25.00 | | EP-G88107-25-B32 | 207 | 225 | 60 | 32 | 5 | 25.00 | 26.00 | | EP-G88107-26-B32 | 207 | 225 | 60 | 32 | 5 | 26.00 | 26.00 | | EP-G88107-261-B32 | 221 | 238 | 60 | 32 | 6 | 26.01 | 27.00 | | EP-G88107-27-B32 | 221 | 238 | 60 | 32 | 6 | 27.00 | 28.00 | | EP-G88107-28-B32 | 221 | 238 | 60 | 32 | 6 | 28.00 | 28.00 | | EP-G88107-281-B32 | 236 | 252 | 60 | 32 | 7 | 28.01 | 29.00 | | EP-G88107-29-B32 | 236 | 252 | 60 | 32 | 7 | 29.00 | 30.00 | | EP-G88107-30-B32 | 236 | 252 | 60 | 32 | 7 | 30.00 | 30.00 | | EP-G88107-301-B32 | 255 | 272 | 60 | 32 | 8 | 30.01 | 31.00 | | EP-G88107-31-B32 | 255 | 272 | 60 | 32 | 8 | 31.00 | 32.00 | | EP-G88107-32-B32 | 255 | 272 | 60 | 32 | 8 | 32.00 | 32.00 | | EP-G88107-321-B40 | 268 | 291 | 70 | 40 | 9 | 32.01 | 33.00 | | EP-G88107-33-B40 | 268 | 291 | 70 | 40 | 9 | 33.00 | 34.00 | | EP-G88107-34-B40 | 268 | 291 | 70 | 40 | 9 | 34.00 | 35.00 | | EP-G88107-35-B40 | 284 | 306 | 70 | 40 | 9 | 35.00 | 36.00 | | EP-G88107-36-B40 | 284 | 306 | 70 | 40 | 9 | 36.00 | 36.00 | | EP-G88107-361-B40 | 301 | 322 | 70 | 40 | 10 | 36.01 | 37.00 | | EP-G88107-37-B40 EP-G88107-38-B40 EP-G88107-39-B40 EP-G88107-40-B40 EP-G88107-41-B40 EP-G88107-42-B40 | 301 | 322 | 70 | 40 | 10 | 37.00 | 38.00 | | 301 318 318 334 334 | 322 | 70 | 40 | 10 | 38.00 | 39.00 | | 338 | 70 | 40 | 10 | 39.00 | 40.00 | | 338 354 | 70 | 40 | 10 | 40.00 | 41.00 | | 70 | 40 | 10 | 41.00 | 42.00 | | 354 | 70 | 40 | 10 | 42.00 | 42.00 | |
Applications:
Application Areas of Drill Body
1. Mechanical Manufacturing
- Drilling metal components
- High-precision drilling in CNC machining
- Used in automotive, machine tools, and industrial equipment production
2. Aerospace Industry
- Drilling structural parts made of titanium or composites
- Deep hole drilling with high heat and stability requirements
3. Construction and Structural Engineering
- Drilling in concrete, brick, and other hard materials
- Used for installation, reinforcement, or cable passage holes
4. Mold and Precision Machining
- Drilling mold cavities, cooling channels, and other complex shapes
- Suitable for small-diameter, high-precision drilling
5. Electrical and Electronics
- Micro-hole drilling in printed circuit boards (PCBs) or connectors
- Requires high drilling accuracy and surface finish
6. Oil and Mining Equipment
- Part of specialized drilling tools such as core drills
- Operates in high-impact, high-temperature, and high-torque environments
