Pentagon Spline Shaft
Engineered for high torque transmission in radial and tap drilling equipment, this shaft utilizes a robust pentagon spline profile for secure power transfer. This configuration features a 75 mm major diameter, 42CrMo4 alloy steel, 500 mm overall length, and 11 kg weight. • Ground bearing journals for precise alignment • Forged blank with turned and hobbed spline geometry • Optimized for heavy cyclic drilling loads
Specifications
For: Splined Shaft- Material
- Alloy Steel (likely 40Cr, 42CrMo4, or similar)
- Surface Finish
- Ground Bearing Journals
- Manufacturing Process
- Forging + Turning + Spline Hobbing + Grinding
- Overall Length
- ~450–650 mm
- Major Spline Diameter
- 60–90 mm
- Weight
- ~8–20 kg each
Procurement & Handling Guidelines
Q: How should pentagon spline shafts be stored to prevent damage? A: Keep in a dry, climate-controlled environment to prevent corrosion Q: What lubrication is recommended for bearing journals? A: Apply high-grade machine oil or grease before initial installation Q: Can these shafts be welded or heat-treated on-site? A: Avoid field welding or heat treatment to preserve core metallurgy Q: What tolerance class ensures proper spline engagement? A: Match the shaft to the mating bore using standard ISO fit classes
Material Durability & Load Handling
- Constructed from premium alloy steel for superior tensile strength
- Resists deformation under heavy cyclic drilling loads
- Engineered to withstand shock impacts during start-stop operations
- Maintains dimensional stability across varying temperature ranges
- Reduces maintenance frequency through enhanced fatigue resistance
- Extends service life in high-demand industrial machining tasks
Industrial Applications & Compatibility
- Ideal for radial arm drills requiring high rotational stability
- Compatible with tap drilling machines and heavy-duty milling setups
- Supports continuous duty cycles in metal fabrication workshops
- Performs reliably in automotive and aerospace component machining
- Integrates seamlessly with standard chuck and spindle assemblies
- Available in lengths ranging from 450–650 mm for flexible integration
Precision Manufacturing & Surface Finish
- Machined from a forged blank to ensure uniform structural integrity
- Features turned and hobbed spline geometry for exact tooth engagement
- Ground bearing journals for precise alignment within machine spindles
- Multi-stage manufacturing guarantees tight dimensional tolerances
- Surface preparation minimizes friction and extends component life
- Consistent quality control supports heavy industrial duty cycles
High Torque Transmission Design
- Engineered for high torque transmission in radial and tap drilling equipment
- Utilizes a robust pentagon spline profile for secure power transfer
- Optimized for heavy cyclic drilling loads under continuous operation
- Representative configurations feature a 75 mm major diameter and 42CrMo4 alloy steel
- Standard build measures 500 mm overall length and 11 kg weight
- Delivers reliable rotational stability across the full product range
More questions buyers ask
What is a spline shaft used for?
Spline shafts are used for high-torque power transmission in machinery like gearboxes, differentials, and radial drilling machines.
What material is used in Pentagon Spline Shafts?
They are typically manufactured from high-strength alloy steel (e.g., 42CrMo4) to ensure durability and load-bearing capacity.
How do I choose the right spline shaft?
Consider the major diameter, overall length, torque requirements, and the specific machine model it is intended for.
Are these shafts suitable for heavy-duty drilling?
Yes, they are engineered for high cyclic loads and rotational stability in heavy-duty radial and tap drilling equipment.
What maintenance is required for spline shafts?
Regular lubrication with high-grade machine oil or grease and keeping them in a dry, climate-controlled environment is recommended.
Can I get a GST invoice for this purchase?
Yes, all purchases include a valid GST invoice for business accounting.
Do you provide pan-India delivery?
Yes, we offer reliable pan-India shipping for all industrial machine components.
What is the manufacturing process for these shafts?
They undergo forging, turning, spline hobbing, and precision grinding for exact tooth engagement and alignment.
Can these shafts be welded on-site?
No, field welding or heat treatment is not recommended as it can compromise the metallurgical integrity of the shaft.
What is the typical tolerance class?
Pentagon shafts are machined to tight dimensional tolerances to ensure proper engagement with mating bores.
Who should choose the standard Splined Shaft?
Ideal for workshops and industrial facilities requiring a robust, high-torque transmission component for radial drilling machines.
How does a spline shaft compare to a key shaft?
Spline shafts distribute load across multiple teeth, allowing for significantly higher torque capacity compared to standard key shafts.
Why choose Pentagon for machine spares?
Pentagon is a trusted Indian manufacturer known for precision engineering, in-house R&D, and reliable after-sales support.
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Full description
Engineered for high torque transmission in radial and tap drilling equipment, this shaft utilizes a robust pentagon spline profile for secure power transfer. This configuration features a 75 mm major diameter, 42CrMo4 alloy steel, 500 mm overall length, and 11 kg weight. • Ground bearing journals for precise alignment • Forged blank with turned and hobbed spline geometry • Optimized for heavy cyclic drilling loads








