High Precision Boring Head Set NBH2084 — NBH2084 BT40
NBH2084 BT40 Micro Boring Head is a high-precision CNC boring system designed for accurate internal diameter machining With ultra-fine 0.01 mm adjustment, a strong BT40 taper interface, and a wide boring capacity, it ensures stable, vibration-free cutting and excellent surface finish. Ideal for precision machining, toolrooms, and CNC applications requiring tight tolerances and smooth bore accuracy
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Specifications
For: NBH2084 BT40- Model
- NBH2084 BT40
- Type
- Micro / Fine Boring Head
- Boring Capacity min-max
- 8 to 280 mm
- Micro Adjustment Range
- 28 mm
- Dial Graduation Precision
- 0.01 mm
- Mounting Shank
- BT40
- Fine Adjustment Accuracy
- Up to 0.005 mm
- Head Diameter (D)
- 84 mm
- Body Length (L)
- 80 mm
- Connection Thread
- 1-1/2"-18 UNF
- Material
- Hardened Alloy Steel
- Balancing
- Precision Balanced
- Typical Accuracy
- ≤0.01 mm
- Suitable Machines application in
- Milling / CNC / Boring Machine
- Packing size ((With Boring Bars)
- 450 × 350 × 200 mm
- Appx Weight (With Boring Bars)
- 10-12 Kgs
Configurations
Click a row to switch| Variant | Dial Graduation Precision | Mounting Shank | Micro Adjustment Range | Head Diameter (D) | Price |
|---|---|---|---|---|---|
| NBH2084 BT40 | 0.01 mm | BT40 | 28 mm | 84 mm | ₹19,500 |
| NBH2084 BT30 | 0.01 mm | BT30 | 28 mm | 84 mm | ₹18,600 |
| NBH2084 NT40 | 0.01 mm | NT40 | 28 mm | 84 mm | ₹19,200 |
| NBH2084 NT30 | 0.01 mm | NT30 | 28 mm | 84 mm | ₹19,100 |
| NBH2084 R8 | 0.01 mm | R8 | 28 mm | 84 mm | ₹18,900 |
| NBH2084 BT50 | 0.01 mm | BT50 | 28 mm | 84 mm | ₹21,400 |
Packaging and Logistics
- Supplied with boring bars for immediate operational readiness
- Approximate weight of 10-12 Kgs ensures manageable logistics
- Packing size of 450 × 350 × 200 mm protects during transit
- Secure packaging prevents damage to precision surfaces
- Ready-to-use set minimizes downtime upon arrival
- Includes all necessary components for immediate installation
Construction and Durability
- Constructed from hardened alloy steel for wear resistance
- Features 1-1/2"-18 UNF connection thread for secure attachment
- Precision balanced to maintain stability at high speeds
- Compact head diameter of 84 mm fits tight machine envelopes
- Robust body length of 80 mm provides solid cutting support
- Typical accuracy of ≤0.01 mm ensures reliable performance
Precision Machining Applications
- Ideal for precision machining requiring smooth bore accuracy
- Suitable for toolrooms needing high repeatability and stability
- Designed for use on Milling, CNC, and Boring Machines
- Delivers excellent surface finish in internal diameter machining
- Supports applications requiring tight tolerances and smooth cuts
- Ensures stable, vibration-free cutting for consistent results
Key Features
- High Precision Boring Head Set NBH2084 designed for accurate internal diameter machining
- Micro adjustment range of 28 mm with 0.01 mm dial graduation precision
- BT40 taper interface ensures stable mounting on CNC spindles
- Wide boring capacity range from 8 to 280 mm for versatility
- Fine adjustment accuracy up to 0.005 mm for tight tolerances
- Precision balanced design minimizes vibration during cutting
- Hardened alloy steel construction for long-term durability
Standard Accessories
- NBH2084 Micro Boring Head 1 No.
- BT40 / NT40 / R8 / MT Shank 1 No.
- Boring Bars Set 6 – 8 Nos.
- Carbide Inserts 1 Set
- Allen Keys / Wrenches 1 Set
- Adjustment Spanner 1 No.
- Storage Box / Plastic Carry Case 1 No.
Frequently asked
Is this compatible with standard CNC milling machines?
Yes, the BT40 taper interface fits most standard CNC spindles.
What is the maximum boring depth capacity?
The system supports a boring capacity range from 8 to 280 mm.
How precise is the micro adjustment mechanism?
It offers dial graduation precision of 0.01 mm with up to 0.005 mm accuracy.
More questions buyers ask
What is the PENTAGON NBH2084 Boring Head Set?
The PENTAGON NBH2084 is a high-precision micro boring head system designed for accurate internal diameter machining on CNC and milling machines. It offers ultra-fine 0.01 mm adjustment and a wide boring capacity from 8mm to 280mm.
What is the boring capacity of the NBH2084 head?
The NBH2084 boring head has a wide boring capacity ranging from 8mm to 280mm in diameter.
What is the adjustment accuracy of this boring head?
The NBH2084 features a dial graduation of 0.01mm, allowing for very fine and precise adjustments to achieve tight tolerances.
What material is the NBH2084 boring head made of?
It is constructed from hardened alloy steel for high wear resistance and durability during demanding machining operations.
Is the PENTAGON NBH2084 boring head suitable for high-speed machining?
Yes, the head is precision balanced to ensure stability and minimize vibration at high rotational speeds, making it suitable for high-speed CNC machining.
What is included in the PENTAGON NBH2084 set?
The set typically includes the NBH2084 boring head, a compatible mounting shank (e.g., BT40, BT30), and a set of boring bars, making it ready for immediate use.
What is the warranty on the PENTAGON NBH2084 boring head?
The PENTAGON NBH2084 boring head set comes with a 1-year manufacturer warranty against defects.
Can I get a GST invoice for my purchase?
Yes, we provide a GST invoice for all purchases, allowing you to claim input tax credit.
Do you deliver the NBH2084 boring head across India?
Yes, we offer pan-India delivery for the PENTAGON NBH2084 boring head set.
Who should choose the NBH2084 with BT30 Shank?
The BT30 shank variant is ideal for users with smaller CNC milling machines and machining centers that use the BT30 taper. It's suitable for light to medium-duty precision boring applications.
Who should choose the NBH2084 with R8 Shank?
The R8 shank variant is designed for conventional turret milling machines (like Bridgeport-style mills) that use the R8 collet system. It's perfect for toolrooms and job shops that require precision boring on non-CNC equipment.
Who should choose the NBH2084 with NT30 Shank?
The NT30 (or ISO 30) shank variant is for milling machines that use this taper. It offers a robust and secure connection for general-purpose boring operations.
Who should choose the NBH2084 with NT40 Shank?
The NT40 (or ISO 40) shank is a larger, more rigid taper suitable for medium to heavy-duty boring on both conventional and CNC milling machines, providing excellent stability.
Who should choose the NBH2084 with BT40 Shank?
The BT40 shank is one of the most common tapers in modern CNC machining centers. This variant is the standard choice for a wide range of precision boring applications, offering a great balance of rigidity and versatility.
Who should choose the NBH2084 with BT50 Shank?
The BT50 shank is the largest and most rigid option, designed for heavy-duty CNC machining centers. It provides maximum stability and is recommended for large diameter boring or demanding applications where vibration must be minimized.
What is the difference between BT, NT, and R8 shanks?
BT (Bottle Taper) and NT (Nose Taper, also ISO Taper) are standards for CNC machine spindles, differing in their flange design. BT shanks are symmetric, which is better for high-speed balancing. R8 shanks are used on manual turret mills and are held by a drawbar. The choice depends entirely on the spindle of your milling machine.
How do I choose between a BT30, BT40, and BT50 shank?
The choice depends on your machine's spindle taper. BT30 is for smaller machines, BT40 is a versatile mid-range standard, and BT50 is for large, heavy-duty machines requiring maximum rigidity. Using the correct shank size for your machine is critical for performance and safety.
Is there a performance difference between the shank types?
Yes. Larger taper sizes like BT50 and NT40 offer greater rigidity and stability compared to smaller ones like BT30 and R8. This results in better surface finish, higher accuracy, and reduced tool wear, especially in heavy or deep boring operations. However, you must match the shank to your machine's spindle.
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Full description
NBH2084 BT40 Micro Boring Head is a high-precision CNC boring system designed for accurate internal diameter machining With ultra-fine 0.01 mm adjustment, a strong BT40 taper interface, and a wide boring capacity, it ensures stable, vibration-free cutting and excellent surface finish. Ideal for precision machining, toolrooms, and CNC applications requiring tight tolerances and smooth bore accuracy