Logo Snap-on Industrial


PTGR450 4-1/2" 1 HP Heavy Duty Angle Grinder

Snap-on® Heavy Duty Grinders Get Re-Designed

Heavy Duty 1 HP Angle Grinders Aren’t Always Heavy


Features and Benefits


  • Thermally balanced air motor is a powerful efficient balanced motor that cools internal components
  • Adjustable rear exhaust allows you to direct air flow away from the work area
  • Built in air regulator allows you to dial in the exact speed for your specific application
  • Dual taper collet system improves bit retention
  • Easy bit changing with standard wrenches
  • Ergonomic comfort grip handle isolates vibration
  • Variable speed safety style paddle style trigger helps prevent accidental start up
  • Low vibration and sound levels helps reduce fatigue and vibration
  • 12,000 RPM for maximum performance and stall torque
  • Small size provides maneuverability to reach restricted areas
  • Lightweight for superior control with low vibration
  • Improved safety lever makes engaging and operating the tool even easier
  • Adjustable wheel guard





Collet Size, inches1/4
Rated Power, HP (kW)1.0 (.6)
Free Speed, RPM12,000
Air Consumption, Free Speed (CFM)4.17 (30)
Air Inlet Thread Size1/4"-18 NPT
Recommended Hose Size, in (mm)3/8 (10)
Vibration Level, m/s²8.9
Sound Level dB(A) Pressure86.3
Length, in (mm)9 (1.47)
Weight, lb (kg)3.25 (1.47)
Wheel Size, inches (mm)4-1/2 (114)







Angle Grinder

Contact Form


I agree that my data entered above may be stored, transmitted and used to contact me. I have read and accept the <a href="/privacy.html">data protection information</a>.