Pentagon High Precision Boring Head Set NBH2084 with suitable shank model NBH2084 BT40
High precision micro boring head for CNC milling and internal diameter machining. Features a BT40 taper interface for robust tool holding and stability during high-speed operations. • Mounting Shank: BT40 • Fine Adjustment Accuracy: Up to 0.005 mm • Dial Graduation: 0.01 mm • Boring Capacity: 8-280 mm
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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 |
Operational Efficiency Benefits
- Reduces setup time with quick and precise dial adjustments
- Enhances surface finish quality through stable micro-feed control
- Minimizes scrap rates by maintaining tight dimensional accuracy
- Balanced design extends spindle life and reduces wear
- Streamlines workflow for high-volume precision production runs
- Enables single-setup operations for complex internal features
Wide Boring Range & Compatibility
- Supports boring capacities from 8 mm to 280 mm in diameter
- Suitable for milling, CNC, and dedicated boring machines
- BT40 interface aligns with common industrial machine standards
- Handles diverse applications from roughing to fine finishing
- Adaptable setup for various workpiece sizes and geometries
- Reliable performance across different machining environments
Robust Construction & Design
- Manufactured from hardened alloy steel for long-term durability
- Precision balanced head minimizes vibration at high RPMs
- Compact head diameter (D) of 84 mm fits confined spaces
- Body length (L) of 80 mm optimizes reach and stability
- Connection thread: 1-1/2"-18 UNF for secure mounting
- BT40 mounting shank ensures compatibility with standard spindles
Micro-Fine Boring Capabilities
- Designed for micro and fine boring operations with high precision
- Micro adjustment range of 28 mm for versatile tooling setups
- Dial graduation precision of 0.01 mm ensures consistent readings
- Fine adjustment accuracy up to 0.005 mm for tight tolerances
- Typical accuracy maintained at ≤0.01 mm during operation
- Ideal for finishing passes requiring minimal material removal
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.
More questions buyers ask
What is the boring capacity of the NBH2084 boring head?
The NBH2084 boring head has a versatile boring capacity ranging from 8 mm to 280 mm.
What is the dial graduation precision of this boring head?
It features a dial graduation precision of 0.01 mm, allowing for fine and accurate adjustments.
What shank types are available for the NBH2084?
It is available with various shanks including BT30, BT40, BT50, NT30, NT40, and R8 to suit different machine spindles.
What is included in the boring head set?
The set typically includes the NBH2084 micro boring head, a suitable shank, a set of boring bars, carbide inserts, Allen keys, an adjustment spanner, and a storage case.
Is the NBH2084 boring head suitable for CNC machines?
Yes, it is designed for use with milling, CNC, and dedicated boring machines.
What is the body length of the NBH2084?
The body length (L) of the NBH2084 boring head is 80 mm.
What material is the boring head made of?
It is manufactured from hardened alloy steel for long-term durability and performance.
Does it come with a warranty?
Pentagon Machines provides standard warranty coverage; please check with the authorized dealer for specific terms.
What is the fine adjustment accuracy?
The fine adjustment accuracy is up to 0.005 mm, ensuring tight tolerances for finishing passes.
How much does the set weigh?
The approximate weight of the set (including boring bars) ranges from 9 to 14 Kgs depending on the shank type.
Who should choose the BT40 variant?
The BT40 variant is ideal for standard CNC milling machines requiring a balance of stability and compatibility.
Who should choose the BT50 variant?
The BT50 variant is best for heavy-duty CNC machining applications where maximum spindle stability is required.
Who should choose the R8 variant?
The R8 variant is suitable for manual or older milling machines that utilize the R8 spindle taper.
How does the BT40 compare to the BT30 variant?
The BT40 is generally more robust and suitable for larger machines compared to the lighter-duty BT30 shank.
Is the NBH2084 better than standard boring heads?
The NBH2084 offers superior precision with its 0.01mm dial graduation and hardened alloy construction, making it ideal for high-precision finishing work.
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Full description
High precision micro boring head for CNC milling and internal diameter machining. Features a BT40 taper interface for robust tool holding and stability during high-speed operations. • Mounting Shank: BT40 • Fine Adjustment Accuracy: Up to 0.005 mm • Dial Graduation: 0.01 mm • Boring Capacity: 8-280 mm










