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DynaShop Owned and Operated by SAIC

Dynabrade 4" Dia. Angle Grinders

For Fast Weld and Stock Removal, Rust and Scale Removal, Heavy Deburring

Dynabrade’s 4″ Dia. Right Angle Depressed Center Wheel Grinders offer countless grinding solutions to industries such as metal/stainless steel fabrication, composites, masonry, ironwork and general welding.

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4″ Diameter, Right Angle, .4 hp, Rear Exhaust

Model 52706 – 12,000 RPM
• Accepts optional 4″ diameter Type 27 Reinforced Depressed Center Grinding Wheel, with 5/8″ center hole (wheel width of 1/8″ to 1/4″).
• “Dual wick” lubrication system saturates gears with oil for increased performance, extended life and reduced downtime. Tool includes 95848 Gear Oil and 95541 Gear Oil Gun.
• 12,000 RPM air motor has Kevlar® phenolic vanes for longer life.
• Air passage continually cools gear box to reduce wear and heat build-up.
• Safety-lock throttle lever, wheel guard and flanges are included.
• Extended rear exhaust muffler design.

4″ Diameter, Right Angle, 1 hp, Rear Exhaust

Model 50302 – 12,000 RPM
• Accepts optional 4″ diameter Type 27 Reinforced Depressed Center Wheel, with 5/8″ center hole (wheel width of 1/8″ to 1/4″).
• Powerful high-torque grinding action; extended rear muffler ensures lowest sound level.
• Reversible side handle for left or right hand operation.4 Inch Angle Grinders Image-techtip


• Models accept optional 4″ diameter Type 27 reinforced Depressed Center Wheels, with 3/8″ center hole (wheel width of 1/8″ to 1/4″).
• “Dual-wick” lubrication system saturates gears with oil for increased performance, extended life and reduced downtime.
• Adjustable wheel guard provides maximum operator protection.
• Safety-lock lever is included.

Composite Housing Models

Right Angle, .7 hp, Rear Exhaust

• Models include aluminum right angle head.
Model 54771 – 12,000 RPM
Model 54775 – 13,500 RPM
• Each model includes side handle for left or right-hand use.
Model 54773 – 12,000 RPM, Extended
Model 54777 – 13,500 RPM, Extended
• Extension design allows longer reach on work piece, and two-hand control for added comfort.

Steel Housing Models

Right Angle, .7 hp, Rear Exhaust

• Steel housings offer increased durability!
• Models include steel right angle housing.
Model 54787 – 12,000 RPM
Model 54791 – 13,500 RPM
• Each model includes side handle for left or right-hand use.
Model 54789 – 12,000 RPM, Extended
Model 54793 – 13,500 RPM, Extended
• Extension design allows longer reach on work piece, and two-hand control for added comfort.

4″ (102 mm) Diameter, 13,500 RPM Model

Model 52630 – 13,500 RPM, 3/8″-24 Spindle Thread
• Tool accepts optional 4″ (102 mm) diameter Type 27 Reinforced Depressed Center Wheels with 5/8″ (16 mm) center hole (wheel width of 1/8″ to 1/4″).
Features: Vibration Dampening Side Handle / Rotational Exhaust System / Cast Aluminum Construction / Insulated Throttle Handle / Robust 1.3 hp Air Motor / “Wick Lube” System for Longer Gear Life / Convenient Spindle Lock.

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4 Inch Angle Grinders Specs Table

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