Product Description:
The drill body is an essential component of a drill bit , which is responsible for providing structural support and transmitting forces during drilling operations. It is distinct from the cutting edge and the shank. The primary functions of the drill body include supporting the cutting portion, facilitating chip removal, and ensuring the efficiency of the drilling process.
Key features of the drill body include flutes for chip evacuation, margins for guidance, and a core for enhanced strength. Additionally, some designs may incorporate coolant channels to improve the overall drilling efficiency and extend the tool's lifespan.
Various materials are commonly used in constructing drill bodies , such as high-speed steel (HSS), carbide, and coated alloys. The selection of the appropriate material is crucial for maintaining stability, precision, and optimum performance throughout the drilling process.
Features:
Drill Body – Features & Advantages
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-G88112-125-B16 EP-G88112-13-B16 EP-G88112-135-B16 EP-G88112-136-B16 EP-G88112-14-B16 | 171 171 171 | | 181 181 181 | 48 | 16 | C | 12.50 | 13.00 | | 48 | 16 | C | 13.00 | 13.50 | | 48 | 16 | C | 13.50 | 13.50 | | 184 184 | 193 | 48 | 16 | B | 13.51 | 14.00 | | 193 | 48 | 16 | B | 14.00 | 14.50 | | EP-G88112-145-B20 | 184 | 193 | 48 | 20 | B | 14.50 | 14.50 | | EP-G88112-146-B20 | 199 | 210 | 50 | 20 | A | 14.51 | 15.00 | | EP-G88112-15-B20 | 199 | 210 | 50 | 20 | A | 15.00 | 15.50 | | EP-G88112-155-B20 | 199 | 210 | 50 | 20 | A | 15.50 | 15.87 | | EP-G88112-16-B20 | 224 | 236 | 50 | 20 | 1 | 15.88 | 17.00 | | EP-G88112-17-B20 | 224 | 236 | 50 | 20 | 1 | 17.00 | 18.00 | | EP-G88112-18-B20 | 224 | 236 | 50 | 20 | 1 | 18.00 | 18.00 | | EP-G88112-181-B25 | 252 | 267 | 56 | 25 | 2 | 18.01 | 19.00 | | EP-G88112-19-B25 | 252 | 267 | 56 | 25 | 2 | 19.00 | 19.99 | | EP-G88112-20-B25 | 277 | 291 | 56 | 25 | 3 | 20.00 | 21.00 | | EP-G88112-21-B25 | 277 | 291 | 56 | 25 | 3 | 21.00 | 22.00 | | EP-G88112-22-B25 | 277 | 291 | 56 | 25 | 3 | 22.00 | 22.00 | | EP-G88112-221-B25 | 303 | 316 | 56 | 25 | 4 | 22.01 | 23.00 | | EP-G88112-23-B25 | 303 | 316 | 56 | 25 | 4 | 23.00 | 24.00 | | EP-G88112-24-B25 | 303 | 316 | 56 | 25 | 4 | 24.00 | 24.00 | | EP-G88112-241-B32 | 332 | 350 | 60 | 32 | 5 | 24.01 | 25.00 | | EP-G88112-25-B32 | 332 | 350 | 60 | 32 | 5 | 25.00 | 26.00 | | EP-G88112-26-B32 | 332 | 350 | 60 | 32 | 5 | 26.00 | 26.00 | | EP-G88112-261-B32 | 356 | 373 | 60 | 32 | 6 | 26.01 | 27.00 | | EP-G88112-27-B32 | 356 | 373 | 60 | 32 | 6 | 27.00 | 28.00 | | EP-G88112-28-B32 | 356 | 373 | 60 | 32 | 6 | 28.00 | 28.00 | | EP-G88112-281-B32 | 381 | 397 | 60 | 32 | 7 | 28.01 | 29.00 | | EP-G88112-29-B32 EP-G88112-30-B32 | 381 | 397 | 60 | 32 | 7 | 29.00 | 30.00 | | 381 | 397 | 60 | 32 | 7 | 30.00 | 30.00 | | EP-G88112-301-B32 | 410 | 427 | 60 | 32 | 8 | 30.01 | 31.00 | | EP-G88112-31-B32 | 410 | 427 | 60 | 32 | 8 | 31.00 | 32.00 | | EP-G88112-32-B32 | 410 | 427 | 60 | 32 | 8 | 32.00 | 32.00 | | EP-G88112-321-B40 | 433 | 456 | 70 | 40 | 9 | 32.01 | 33.00 | | EP-G88112-33-B40 | 433 | 456 | 70 | 40 | 9 | 33.00 | 34.00 | | EP-G88112-34-B40 | 433 | 456 | 70 | 40 | 9 | 34.00 | 35.00 | | EP-G88112-35-B40 | 459 | 481 | 70 | 40 | 9 | 35.00 | 36.00 | | EP-G88112-36-B40 | 459 | 481 | 70 | 40 | 9 | 36.00 | 36.00 | | EP-G88112-361-B40 | 486 | 507 | 70 | 40 | 10 | 36.01 | 37.00 | | EP-G88112-37-B40 | 486 | 507 | 70 | 40 | 10 | 37.00 | 38.00 | | EP-G88112-38-B40 EP-G88110-39-B40 EP-G88110-40-B40 EP-G88110-41-B40 EP-G88110-42-B40 | 486 435 | 507 | 70 | 40 | 10 | 38.00 | 39.00 | | 455 | 70 | 40 | 10 | 39.00 | 40.00 | | 435 463 463 | 455 | 70 | 40 | 10 | 40.00 | 41.00 | | 483 | 70 | 40 | 10 | 41.00 | 42.00 | | 483 | 70 | 40 | 10 | 42.00 | 42.00 | d |
Applications:
Mechanical Manufacturing
Application areas in mechanical manufacturing include:
- Drilling metal components
- High-precision drilling in CNC machining
- Used in automotive, machine tools, and industrial equipment production
Aerospace Industry
Application areas in the aerospace industry comprise:
- Drilling structural parts made of titanium or composites
- Deep hole drilling with high heat and stability requirements
Construction and Structural Engineering
Drill bodies are used in construction and structural engineering sectors for:
- Drilling in concrete, brick, and other hard materials
- Used for installation, reinforcement, or cable passage holes
Mold and Precision Machining
Applications in mold and precision machining involve:
- Drilling mold cavities, cooling channels, and other complex shapes
- Suitable for small-diameter, high-precision drilling
Electrical and Electronics
Drill bodies are used in electrical and electronics for:
- Micro-hole drilling in printed circuit boards (PCBs) or connectors
- Requires high drilling accuracy and surface finish
Oil and Mining Equipment
In the oil and mining equipment sector, drill bodies are part of specialized drilling tools such as core drills. They operate in high-impact, high-temperature, and high-torque environments.
