Pentagon Spindle Quill Return Spring Housing Cover Case for Vertical Milling Machine Model B-0177
Durable spindle quill return spring cover/case designed to house and protect the quill return spring mechanism in vertical milling machines. Suitable for Bridgeport-type and similar turret milling machines.
Specifications
For: Model B-0177- Model
- B-0177
- Product Name
- Spring Housing Cover
- Inner Diameter (I.D.)
- 45 mm
- Outer Diameter (Barrel O.D.)
- 50 mm
- Overall Height
- 38 mm
- Internal Depth (Spring Housing Depth)
- 25 mm
- Flange Outer Diameter
- 68 mm
- Number of Mounting Holes
- 8 Nos
- Material
- Hardened Steel / Alloy Steel
- Packing Size
- 100x75x75 mm
- Weight Approx
- 0.3 Kgs
Features:
- Protects the quill return spring assembly from wear & contamination
- Ensures smooth upward return motion of spindle quill
- Precision-machined for perfect alignment
- Easy installation with 6 mounting holes
- Compatible with most Bridgeport-style milling machines
- Rugged alloy-steel construction
- Corrosion-resistant black oxide finish
- Deep spring housing improves spring stability
- 8-hole flange for secure mounting
Applications:
- Spindle quill return spring mechanism
- Vertical turret milling machines
- Bridgeport-type milling machine repairs
- Milling machine rebuild & servicing
- Vertical turret milling machines
- Bridgeport-type milling heads
- Machine repair & service
- CNC / manual milling machine maintenance
Description
The Spindle Quill Return Spring Cover Case is an essential protective housing used in vertical turret milling machines. It encloses the quill return spring, ensuring smooth and safe retraction of the spindle quill during operation.
Made of high-strength steel, this cover prevents dust, chips, and coolant ingress into the spring mechanism, increasing service life and maintaining consistent quill movement.
Its accurate mounting holes and machined diameter guarantee compatibility with standard milling head designs.
Advantages:
- Increases lifespan of quill return spring
- Improves reliability of quill movement
- Reduces downtime caused by spring failure
- High strength, anti-corrosion body
More questions buyers ask
What is a spindle quill return spring housing cover?
It is a protective case for the quill return spring in vertical milling machines, preventing debris and coolant from damaging the spring mechanism.
Is this cover compatible with Bridgeport milling machines?
Yes, it is designed to be compatible with most Bridgeport-style vertical turret milling machines.
What material is the Pentagon spring housing cover made of?
It is constructed from high-strength alloy steel with a corrosion-resistant black oxide finish.
What are the key dimensions of this housing cover?
It has an overall height of 38 mm, an outer barrel diameter of 50 mm, and an internal spring housing depth of 25 mm.
How many mounting holes does the flange have?
This model features an 8-hole flange for secure mounting to the milling head.
Why is this cover important for milling machine maintenance?
It protects the spring from wear and contamination, ensuring smooth quill retraction and reducing downtime caused by spring failure.
Does this product come with a warranty?
Pentagon Machines and Tools provides standard manufacturer warranty support for their industrial spares.
Can I get a GST invoice for this purchase?
Yes, all purchases include a valid GST invoice for business accounting purposes.
Is pan-India delivery available?
Yes, we offer reliable pan-India delivery for all industrial machine spare parts.
What is the weight of the spring housing cover?
The unit weighs approximately 0.3 kg.
Who should choose the Pentagon B-0177 Spring Housing Cover?
This model is ideal for workshops and maintenance teams servicing Bridgeport-style vertical milling machines who need a durable, high-precision replacement part.
How does this compare to generic spring covers?
The Pentagon cover is precision-machined for perfect alignment and features a robust alloy-steel construction, offering superior durability compared to standard generic replacements.
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Full description
Durable spindle quill return spring cover/case designed to house and protect the quill return spring mechanism in vertical milling machines. Suitable for Bridgeport-type and similar turret milling machines.




















