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, ensuring high accuracy for fine boring operations.
What accessories are included in the set?
The set includes the NBH2084 micro boring head, a mounting shank (BT40/NT40/R8/MT), a set of 6-8 boring bars, carbide inserts, Allen keys, an adjustment spanner, and a storage case.
Is this 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 boring head is 80 mm.
What material is used for the construction?
It is manufactured from hardened alloy steel for long-term durability and performance.
Does it come with a warranty?
Pentagon machines are backed by in-house R&D and dependable after-sales support. Please check specific warranty terms at the time of purchase.
What is the connection thread size?
The connection thread is 1-1/2"-18 UNF.
Can it be used for roughing and finishing?
Yes, it is designed to handle diverse applications ranging from roughing to fine finishing passes.
What is the micro adjustment range?
The micro adjustment range is 28 mm.
Who should choose the BT40 variant?
The BT40 variant is ideal for CNC milling machines that utilize a BT40 spindle interface, offering a balance of stability and compatibility.
Who should choose the BT30 variant?
The BT30 variant is best suited for smaller CNC milling machines with a BT30 spindle, where a compact and precise boring solution is required.
Who should choose the BT50 variant?
The BT50 variant is designed for heavy-duty CNC machining centers that require the robust support of a BT50 spindle for larger or more demanding workpieces.
How does the NBH2084 compare to standard boring heads?
The NBH2084 offers superior precision with 0.01 mm dial graduation and a precision-balanced design that minimizes vibration compared to standard, non-balanced heads.
Is there a significant difference between the NT and BT shank versions?
Yes, the primary difference is the spindle interface; BT shanks are typically used in modern CNC machines, while NT shanks are often found in manual or older milling machines.
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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










