Bush Nut of Lead Screw for Vertical Turret Milling Machine Longitudinal/X axis-Part No.: D-018+019
High-precision brass feed nut for the longitudinal X-axis of vertical turret mills. Built to reduce backlash and ensure smooth table movement. • Right-hand thread direction for standard operation • Solid brass material offers excellent wear resistance • 5 TPI pitch aligns with standard lead screws • 32 mm internal thread diameter ensures compatibility
Specifications
For: Longitudinal/X axis-Part No.: D-018+019- Product Name
- Box Nut for Lead screw Z axis
- Model
- C-0104
- Machine Type
- Vertical Mill / Turret Mill / Bridgeport-Style Milling Machine M3/M4
- Material
- Solid Brass
- Color
- Golden Yellow
- Thread Type
- Acme / Trapezoidal
- Thread Direction
- Right-Hand
- Top Diameter (Nut OD)
- 42 mm
- Flange Diameter
- 73 mm
- Body Diameter Above Flange
- 44 mm
- Overall Height
- 56 mm
- Flange Holes
- 3 holes
- Pitch
- 5 TPI
- Internal Thread Diameter
- 32 mm
- Total Height
- 37-42 mm
- Max Diameter
- 62.45 mm
- Outer diameter
- 38.9 mm
- Packing Size
- 100x100x80 mm
- Weight
- 1.5 Kgs
Configurations
Click a row to switch| Variant | Price |
|---|---|
| Z-Axis NUT Part No.: C-104 | ₹8,200 |
| Longitudinal/X axis-Part No.: D-018+019 | ₹7,200 |
| Cross Nut Part No.: D-024+025 | ₹7,200 |
Features:
- High-precision internal thread for smooth motion
- Heavy-duty construction withstands vertical machine load
- Corrosion-resistant copper alloy
- Low lubricity requirement, long lifespan
- Stable flange design with multiple mounting holes
- Compatible with Bridgeport-type milling machines
Compatibility:
- Suitable for Bridgeport-type Vertical Milling Machines
- Compatible with most M1TR, Turret, and Universal Milling Machines using a 42–44 mm bushing seat
- Fits standard Z-axis lead screw assemblies with matching threaded bore
- Can be used as a replacement nut for worn or damaged Z-axis screw bushings
- Works with both manual and power-feed Z-axis systems on conventional milling machines
- Compatible with various Taiwan- and India-made Bridgeport clone machines
Advantages:
- Reduces backlash and increases machine precision
- Ensures smooth vertical movement of the Z-axis
- Easy to install as an OEM replacement
- Highly durable for long-term operation
- Improves machine accuracy in milling operations
Applications:
- Z-Axis Lead Screw Assembly
- Knee Elevation Screw
- Quill Vertical Feed Assembly
- Milling Machine Restoration / Maintenance
- Accurate height positioning systems
Description
This Z-Axis Screw Copper/Brass Nut is a high-precision lead screw nut designed for vertical and turret milling machines. It ensures smooth, backlash-free vertical movement of the quill or knee, depending on the machine design. Made from premium high-strength copper/brass alloy, it offers excellent wear resistance, low friction, and long operating life.
More questions buyers ask
What is a Z-axis lead screw brass nut used for?
It is a critical component in vertical milling machines that converts rotational motion into smooth, precise vertical movement of the knee or quill.
Is this nut compatible with Bridgeport milling machines?
Yes, this brass nut is designed as a high-quality replacement for Bridgeport-type vertical turret milling machines.
What material is the nut made of?
It is manufactured from high-strength copper/brass alloy, offering excellent wear resistance and low friction for long-term durability.
How does this nut improve machine accuracy?
The precision-machined internal threads reduce backlash, ensuring smooth and accurate vertical positioning during milling operations.
Can this nut be used for CNC conversions?
While primarily designed for manual turret mills, it is often used in restoration projects for Bridgeport-style machines.
What is the thread type of this nut?
It features an Acme/Trapezoidal thread, which is standard for lead screws in conventional milling machines.
Is the nut easy to install?
Yes, it is designed as an OEM-style replacement, making it straightforward to install in standard Z-axis lead screw assemblies.
Does this nut require frequent lubrication?
The copper/brass alloy provides low-friction operation, but regular lubrication is recommended to maintain smooth movement and extend lifespan.
What are the common signs that the Z-axis nut needs replacement?
Increased backlash, difficulty in vertical movement, or visible wear on the internal threads are common indicators that the nut needs replacement.
Does it come with a warranty?
Pentagon provides standard industrial warranty support for their machine spares. Please check the specific invoice details.
Who should choose the Z-Axis NUT C-0104?
Ideal for workshops requiring a high-precision, wear-resistant replacement for Z-axis vertical movement on turret mills.
Who should choose the Longitudinal/X axis-D1819?
Best for operators needing a durable brass replacement nut specifically for the longitudinal (X-axis) feed assembly.
Who should choose the Cross Nut-D2425?
Recommended for those requiring a left-hand threaded brass nut for the cross (Y-axis) feed assembly on Bridgeport-style mills.
What is the main difference between these three nuts?
They are designed for different axes (Z, X, and Y) and have specific thread directions and dimensions tailored to those machine movements.
Are these nuts interchangeable between axes?
No, each nut is precision-engineered for a specific axis and thread direction (e.g., Z-axis vs. X-axis, Right-hand vs. Left-hand).
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Full description
High-precision brass feed nut for the longitudinal X-axis of vertical turret mills. Built to reduce backlash and ensure smooth table movement.
Read more ↓
• Right-hand thread direction for standard operation • Solid brass material offers excellent wear resistance • 5 TPI pitch aligns with standard lead screws • 32 mm internal thread diameter ensures compatibility






