Precision Drill Bit Grinder for HSS & Carbide Drills PR-13C
Compact precision tool restoring drill bits to factory sharpness within minutes. Ideal for high-precision maintenance tasks. • Grinding range covers Φ3-Φ13 mm • Grinding wheel size 78x10x12.7 mm • CBN grinding wheel included for HSS • Motor power 120W for steady operation
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Specifications
For: PR-13C- Model
- PR-13D
- Grinding Range
- Φ3-Φ13
- Point Angle
- 95°~135°
- Motor
- 120W
- Power
- AC220V
- Speed
- 4400rpm
- Grinding Wheel Size
- 78x10x12.7 mm
- Standard Equipment
- Grinding wheel :CBN (for HSS)×1 Eleven collets: Φ3,Φ4,Φ5,Φ6,Φ7,Φ8,Φ9,Φ10,Φ11,Φ12,Φ13 Collet chuck:(Φ3-Φ13)×1
- Optional Equipment
- Grinding wheel :SDC (for Carbide) Collets: Φ2,Φ2.5,Φ3.5,Φ4.5,Φ5.5,Φ14,Φ15 Collet chuck:Φ15
- Weight
- 12 kgs
- Dimension
- 320*180*190 mm
Configurations
Click a row to switch| Variant | Grinding Range | Point Angle | Standard Equipment | Grinding Wheel Size | Price |
|---|---|---|---|---|---|
| PR-13C | Φ3-Φ13 | 95°~135° | Grinding wheel :CBN (for HSS)×1 Eleven collets: Φ3,Φ4,Φ5,Φ6,Φ7,Φ8,Φ9,Φ10,Φ11,Φ12,Φ13 Collet chuck:(Φ3-Φ13)×1 | 78x10x12.7 mm | ₹27,900 |
| PR-13D | Φ3-Φ13 (Φ15 ) | 95°~135° | Grinding wheel :CBN (for HSS)×1 Eleven collets: Φ3,Φ4,Φ5,Φ6,Φ7,Φ8,Φ9,Φ10,Φ11,Φ12,Φ13 Collet chuck:(Φ3-Φ13)×1 | 78x10x12.7 mm | ₹37,800 |
| PR-20C | Φ3-Φ20 | 95°~135° | Grinding wheel :CBN (for HSS)×1 Eleven collets: Φ3,Φ4,Φ5,Φ6,Φ7,Φ8,Φ9,Φ10,Φ11,Φ12,Φ13 ER25 Collet Set: Φ14,Φ15,Φ16,Φ17,Φ18,Φ19,Φ20 Collet chuck:(3-20) mm | 92*18*16.6 mm | ₹58,600 |
| PR-26C | Φ12-Φ30 | 95°~135° | Grinding wheel : CBN (for HSS) ER Collet Set : 18 pcs dia from 12 mm to 30 mm Standard Collet Chuck: (Dia. 8 - 13mm) | 125*20*18 mm | ₹74,800 |
Maintenance & Care
- Regular cleaning prevents dust accumulation on wheels
- Inspect collets periodically for wear and tear
- Store in dry environment to prevent rust formation
- Use only recommended grinding wheels for safety
- Follow manufacturer guidelines for wheel replacement
Performance Specifications
- High-speed motor delivers consistent 4400rpm operation
- Power AC220V ensures compatibility with standard grids
- 120W motor provides reliable grinding power
- Compact design fits easily on standard workbenches
- Stable grinding action reduces vibration during sharpening
Collet System & Capacity
- Standard collets range from Φ3 – Φ13 millimeters
- Optional collets extend range to Φ2 and Φ15 millimeters
- Precision collet chuck ensures secure bit holding
- Comprehensive collet set covers common drill diameters
- Quick change system minimizes setup time between jobs
Grinding Wheel Compatibility
- Standard equipment includes one CBN grinding wheel
- Optional SDC wheels available for specialized carbide grinding
- Grinding wheel size typically 92*18*16.6 mm
- Compatible with High-Speed Steel (HSS) drill bits
- Supports Carbide drills with optional SDC grinding wheels
Key Features
- Adjustable point angle from 95° – 135° for versatility
- Supports drill sizes from 3mm – 30mm across variants
- Includes CBN grinding wheels for standard HSS use
- Designed for workshops and maintenance departments
- Restores dull bits to factory performance efficiently
Standard Accessories
- 1. Grinding wheel :CBN (for HSS)×1
- 2. Eleven collets: Φ3,Φ4,Φ5,Φ6,Φ7,Φ8,Φ9,Φ10,Φ11,Φ12,Φ13
- 3. Collet chuck:(3-13) mm
Optional Accessories
- Grinding wheel :SDC (for Carbide)
- Collets: Φ2,Φ2.5,Φ3.5,Φ4.5,Φ5.5,Φ14,Φ15
- Collet chuck:Φ15
Frequently asked
Can this machine sharpen carbide drills?
Yes, with the optional SDC grinding wheel.
What is the maximum drill diameter supported?
Standard models support up to 13mm, up to 30mm with variants.
Is the machine suitable for heavy industrial use?
It is ideal for workshops and maintenance departments.
More questions buyers ask
What is a drill bit grinder?
A drill bit grinder is a precision machine tool designed to sharpen dull drill bits, restoring their cutting edge and extending their lifespan.
Can this machine sharpen both HSS and carbide drills?
Yes, the Pentagon drill bit grinder supports both HSS and carbide drills. Use the standard CBN wheel for HSS and the optional SDC wheel for carbide.
What is the grinding range of these machines?
We offer models covering drill diameters from 3mm up to 30mm, depending on the specific variant chosen.
Is the machine easy to operate?
Yes, these grinders feature a user-friendly design with a quick-change collet system, making them ideal for workshops and maintenance departments.
What power supply is required?
These machines operate on a standard AC220V power supply, making them compatible with most industrial and workshop electrical grids.
Does it come with a warranty?
Yes, all Pentagon machines come with a manufacturer warranty and reliable after-sales support.
What accessories are included?
Standard equipment typically includes the grinding wheel, a set of collets, and a collet chuck. Optional accessories like SDC wheels are available.
How often should I replace the grinding wheel?
Replacement frequency depends on usage intensity. Inspect the wheel regularly for wear and replace it when performance drops or damage is visible.
Can I sharpen different point angles?
Yes, the machines feature an adjustable point angle, typically ranging from 95° to 135°, allowing for versatile sharpening applications.
Are these machines suitable for heavy industrial use?
Yes, they are robustly built for professional use in machine shops, tool rooms, and industrial maintenance facilities.
Who should choose the PR-13C model?
The PR-13C is perfect for small workshops needing a compact, reliable solution for standard 3-13mm drill bit sharpening.
Who should choose the PR-13D model?
The PR-13D is ideal for users requiring slightly more versatility and capacity, supporting up to 15mm bits with a robust build.
Who should choose the PR-20C model?
The PR-20C is designed for medium-duty applications, handling a wider range of drill bits up to 20mm with increased motor power.
Who should choose the PR-26C model?
The PR-26C is the heavy-duty choice for industrial shops frequently sharpening large drill bits up to 30mm.
How does the PR-13C compare to the PR-26C?
The PR-13C is a compact 120W model for 3-13mm bits, while the PR-26C is a heavy-duty 250W machine for 12-30mm bits.
Which model is best for carbide drill sharpening?
All models support carbide sharpening when equipped with the optional SDC grinding wheel, but choose the model based on your required diameter range.
Are these grinders portable?
Yes, they are designed to be compact and can be easily placed on standard workbenches in any workshop.
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Full description
Compact precision tool restoring drill bits to factory sharpness within minutes. Ideal for high-precision maintenance tasks.
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• Grinding range covers Φ3-Φ13 mm • Grinding wheel size 78x10x12.7 mm • CBN grinding wheel included for HSS • Motor power 120W for steady operation










