Description
Secure smaller drill chucks and live centers in large machinery. The Magnum ASMT31 sleeve reduces a Morse Taper 3 bore down to a Morse Taper 1 fitting.
Features
- Machined Construction – Built from steel for durable shop use.
- Taper Reduction – Converts MT3 equipment to utilize MT1 accessories.
Specifications
- Material: Machined Steel
- Outside Taper: MT3
- Inside Taper: MT1
- Supplier Part Number: 561521
- KMS Product Code: MAG-ASMT31
Common Shop Applications
- Adapting an MT3 lathe tailstock for MT1 tooling.
- Securing MT1 drill arbors into an MT3 milling machine.
Recommended Shop Add-Ons
- Drill Chuck Arbor
- Live Center
Frequently Asked Questions
Q: Will this fit my MT3 tailstock? A: Yes, the outside diameter is machined to a standard Morse Taper 3 specification.
Q: Can I stack adapter sleeves? A: While physically possible, stacking sleeves can introduce runout and is generally not recommended for high-precision turning.









