Description
The Magnum R8COL12 collet provides professional machinist grade tool retention and concentricity within R8 spindle systems. Engineered to secure cutting tools with precision, this industrial-duty draw bolt collet maximizes machining rigidness and reduces tool deflection for smooth profiling results.
Features
- Hardened Steel Construction – Resists structural wear and deformation under heavy drawbar clamping pressures.
- High Concentricity Bore – Minimizes tool runout to extend cutter lifespan and deliver smooth structural finishes.
- Internal Draw Bolt Threading – Integrates seamlessly with standard manual and pneumatic mill drawbars.
Specifications
- Collet Taper: R-8
- Holding Capacity: 1/2″ (12.7 mm)
- Supplier Part Number: R8COL12
- KMS Product Code: MAG-R8COL12
Compatibility
Designed specifically for standard R8 milling machine spindles. For holding 1/2-inch shank tools like the Magnum Cobalt End Mill (MAG-EM516CF2), ensure a matched shank sizing layout.
Common Shop Applications
Perfect for locking 1/2-inch straight shank end mills during face milling, or holding straight-shank drills inside manual vertical milling machines.
Recommended Shop Add-Ons
Keep your spindle mechanisms running smoothly with Magnum Spindle Oil and ensure clean setups using a Magnum Chip Brush.
Frequently Asked Questions
Q: Will this collet fit a standard Bridgeport-style milling machine? A: Yes, if your milling machine utilizes a standard R8 spindle taper, this draw bolt collet will fit perfectly.
Q: Can I use this collet to hold metric sized tool shanks? A: No, this collet is precision ground specifically to secure standard imperial 1/2-inch straight tool shanks safely.
