External Splines
Splines
Precision Machining Gear Manufacturing Services
Precision Gear Manufacturing Services
Custom Gears
AGMA Quality Certified

AGMA Quality Certified

ISO 9001 Compliant

ISO 9001 Compliant

Industrial SAE Spline Shafting

Industrial SAE Spline Shafting encompasses precision-engineered internal and external spline components designed for reliable torque transmission in demanding mechanical applications. Manufactured using advanced hobbing, shaping, and broaching processes, these splines meet AGMA 10-13 quality standards. With capabilities up to 400mm diameter and comprehensive tooling inventory, our spline shafting solutions serve industrial, aerospace, mining, and transportation sectors with both involute and straight-sided spline configurations for optimal shaft-to-hub connections.

Our Range of Products

External Splines

External Splines

  • AGMA 10-13 Quality Standards
  • 50 Years Manufacturing Expertise
  • Comprehensive Tooling Inventory
Splines

Splines

  • Internal & External Spline Options
  • Reverse Engineering Services
  • Small Lot Quantities Available
Precision Machining Gear Manufacturing Services

Precision Machining Gear Manufacturing Services

  • Advanced Grinding Technology
  • Superior Surface Finish
  • Price, Delivery, Quality Focus
Precision Gear Manufacturing Services

Precision Gear Manufacturing Services

  • Up to 400mm Diameter Capacity
  • In-House Nital-Etch Testing
  • Full Turn-Key Manufacturing
Custom Gears

Custom Gears

  • Custom Gear Modifications
  • 18,000 Sq Ft Dedicated Facility
  • Multi-Industry Applications

Frequently Asked Questions

What is the SAE standard for splines?

SAE standards define spline dimensions, tolerances, and fit classes for involute and straight-sided splines, ensuring interchangeability and proper torque transmission in mechanical power systems.

What are standard spline shaft sizes?

Are there different types of spline shafts?

What quality standards do your splines meet?

Can you reverse-engineer obsolete spline components?

What manufacturing processes do you use for splines?

Do you handle small quantity spline orders?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Industrial Manufacturing

Industrial Manufacturing

Precision spline shafting for power transmission systems in pumps, gearboxes, and heavy machinery requiring reliable torque transfer.

Mining Equipment

Mining Equipment

Heavy-duty spline components engineered for extreme loads and harsh environments in mining conveyors, crushers, and drilling equipment.

Transportation Systems

Transportation Systems

High-precision spline shafting for rail, transit, and vehicle transmission systems where reliability and exact tolerances are critical.

Aerospace Applications

Aerospace Applications

AGMA 13-rated ground spline components for aerospace actuation systems and ground support equipment requiring superior surface finish.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Industrial Manufacturers Choose Carnes-Miller Gear

50 Years of Precision Engineering

Since 1973, we've delivered AGMA-rated spline solutions with unmatched expertise in hobbing, shaping, and grinding for critical industrial applications.

Complete In-House Manufacturing

Full-service 18,000 sq ft facility with gear blanking, milling, grinding, and broaching capabilities ensures precise control, cost-effectiveness, and on-time delivery.

Custom Engineering Support

Reverse engineering services, technical consultations, and custom spline modifications backed by comprehensive tooling inventory and expert quality verification.

Request a Quote for Industrial SAE Spline Shafting

Connect with our spline engineering experts. Get technical guidance, custom specifications, and competitive pricing for your project within 24 hours.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 704-888-4448 You can also send us a quick email at dan@cmgear.us