Description
Makita 4-1/2″ Paddle Switch Angle Grinder with AC/DC Switch 9557PB Highlights
POWER: : 7.5 AMP motor delivers 11,000 RPM
COMFORT: : Large paddle switch for easy operation; less weight (4.5 lbs.)
DURABILITY: : Labyrinth construction, zig-zag varnish and thicker coil wires for longer tool life
CONVENIENCE: : AC/DC slide switch for use with alternative power source
INCLUDES: : Grinding wheel, wheel guard, side handle, inner flange, lock-nut, and wrench
About Makita 4-1/2″ Paddle Switch Angle Grinder with AC/DC Switch 9557PB…
Makita’s 4-1/2″ Angle Grinder combines 7.5 AMP power with comfort and motor-protection features for longer-lasting industrial performance. The 9557PB Angle Grinder delivers 11,000 RPM, with soft start for smooth start-ups. The Angle Grinder also features a range of durability features including labyrinth construction which seals and protects the motor and bearings from dust and debris for longer tool life, as well as a protective zig-zig varnish engineered to seal the armature from dust and debris.
Ease-of-use features include an extra large paddle switch for comfortable operation, and a lock-on/off feature for continuous operation. The 9557PB weighs only 4.5 lbs., with a side handle that can be easily installed on either side of the tool. In addition, the “‘tool-less” wheel guard adjustment provides easy clamping. This grinder also has an AC/DC switch for use with alternative-power sources. The 9557PB is a versatile and powerful grinder engineered for cutting, grinding and polishing applications.
Makita 4-1/2″ Paddle Switch Angle Grinder with AC/DC Switch 9557PB Features
- Powerful 7.5 AMP motor delivers 11,000 RPM for high output power
- Compact design with small 2-1/2″ diameter barrel and weighs only 4.5 lbs. for added comfort
- Labyrinth construction seals and protects the drive gear and bearings from contamination for longer tool life
- Lock-on/off feature for continuous operation
- AC/DC switch for use with alternative power source
- Protective zig-zig varnish seals the armature from dust and debris for longer tool life
- Extra large paddle switch for comfortable operation
- Thicker coil wires are wound more closely to reduce heat and energy loss
- All-ball bearing design and metal gear housing for durability
- Push button spindle lock for operator convenience

Makita 4-1/2″ Paddle Switch Angle Grinder with AC/DC Switch 9557PB includes:
(1) 4-1/2″ Grinding Wheel (A-95956)
(1) 4-1/2″ Wheel Guard (125273-5)
(1) Lock Nut (193465-4)
(1) Lock Nut Wrench (782422-3)
(1) Inner Flange (224399-1)
(1) Side Handle (153489-2)
Makita 4-1/2″ Paddle Switch Angle Grinder with AC/DC Switch 9557PB Specifications
Feature | Value |
---|---|
Wheel Diameter | 4-1/2″ |
AMPS | 7.5 |
No Load Speed | 11,000 RPM |
Spindle Thread | 5/8″ – 11 UNC |
Lock-On | Yes |
Lock-Off | Yes |
Grinder Switch Type | Body grip/paddle |
Overall Length | 10-3/4″ |
Net Weight | 4.5 lbs. |
Variable speed control dial | No |
Power Type | Corded |
Shipping Weight | 6.39 lbs. |
UPC Code | 088381-063531 |
Makita 4-1/2″ Paddle Switch Angle Grinder with AC/DC Switch 9557PB Resources
Makita 9557PB Instruction Manual
Makita 9557PB Parts Breakdown
9557PB Flyer English