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Makita 9557NB — 4-1/2" Angle Grinder, with AC/DC Switch
Makita 9557NB — 4-1/2" Angle Grinder, with AC/DC Switch
The Makita 4-1/2 in. Angle Grinder has a labyrinth construction that seals and protects the motor and bearings from dust and debris for a long life, with an additional, protective zigzag varnish that seals the motor from contaminants by forming a barrier under rotation. This UL-listed grinder provides high-output power with its 7.5 AMP motor that maintains a 11,000 RPM speed to produce excellent grinding with a 2-1/2 in. small-circumference, barrel-grip handle for added comfort. All ball-bearing design and metal gear housing provide durability.
Key Features
- Powerfull 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
- Protective zig-zag varnish seals the armature from dust and debris for longer tool life
- Labyrinth construction seals and protects the drive gear and bearings from contamination for longer tool life
- AC/DC switch for use with alternative power source
- Thicker coil wires are wound more closely to reduce heat and energy loss
- All-ball bearing design and metal gear housing for durability
- Slide switch with lock-on for continuous use
- Side handle can be positioned on both sides for operator convenience
- Push button spindle lock for operator convenience
Technical Specifications
| Wheel Diameter | 4-1/2" |
|---|---|
| AMPS | 7.5 |
| No Load Speed | 11,000 RPM |
| Spindle Type | 5/8" - 11 UNC |
| Lock-On Switch | Yes |
| Lock-Off Switch | No |
| Switch Type | Body grip/slide |
| Overall Length | 10-5/8" |
| Net Weight | 4.5 lbs. |
| Shipping Weight | 6.7 lbs. |
| Variable speed dial | No |
| Power Type | Corded |
| Bind-Up Control | No |
| AC/DC switch | Yes |
Included Accessories
- 4-1/2" Grinding Wheel (A-95956)
- 4-1/2" Wheel Guard (125273-5)
- Lock Nut (193465-4)
- Lock Nut Wrench (782422-3)
- Inner Flange (224399-1)
- Side Handle (153489-2)
Manufacturer Resources

