Porter Cable Nuts - compatible nuts for Porter-Cable Routers
(compatible with Porter-Cable 690, 690LR, 9690LR, 691, 693, 890, 891, 892, 893, 7518, 7519, 7536, 7537, 7538, 7539 routers)
Specifications:
- Used in applications where speeds exceed 10,000 PRM
- H.R.C. 45-52
- Balanced to 24,000 RPM @ G2.5
- TIR (with PC collet) < 0.005 mm (0.0002")
- must be used with InGraph PCPG nuts and spanner
- Country of Origin - USA
Benefits:
- Improved collet centering and tool shank clamping
- Low noise operation
- Longer tool life
- More accurate cutting and higher kerf fidelity
- Compatible with carbide microtools
- Low TIR means less wear and tear on spindle bearings
