DYNABRADE 4" (102 mm) Dia. Straight-Line Type 1 Wheel Grinder - 52374
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1 hp, 15,000 RPM, Rear Exhaust, 3/8"-24 Spindle Thread.
- Type 1 Wheel Grinder, for cleaning metal, grinding and smoothing weld seams, removing imperfections before painting.
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4" Diameter, Straight Line, 1 hp, 15,000 RPM.
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Accepts optional 4" diameter Type 1 Wheel, with 3/8" center hole (maximum wheel width of 1/4").
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Governor-controlled motor maintains RPM under heavy load; rear exhaust.
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Safety-lock lever is included on all models.
Specifications
| Air Consumption (SCFM) |
39.0 |
| Power (hp) |
1.0 |
| Max. RPM |
15,000 |
| Tool Spindle Thread |
3/8" - 24 Male |
| Air Inlet Thread |
3/8" NPT |
| Exhaust Type |
Rear |
| GL_Country Of Origin |
US |
| Hose I.D. in. (mm) |
3/8" |
| Vacuum Type |
Non-Vacuum |
| Height in. (mm) |
4.5 |
| Length in. (mm) |
9.75 |
| Weight lb. (kg) |
3.1 |
| Width in. (mm) |
6.5 |
| Pkg. Height in. (mm) |
4.5 |
| Pkg. Length in. (mm) |
10 |
| Pkg. Weight lb. (kg) |
3.88 |
| Pkg. Width in. (mm) |
6.25 |
| CE Certified |
Yes |
| EAN (UPC) |
0616026523746 |
| EAC Certified |
Yes |
| Tool Style |
Straight Line |
What our Experts Think
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Compact Grinding Power: 4" straight-line grinder delivers precision performance in tight spaces.
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Type 1 Wheel Design: Ideal for general grinding, cutting, and deburring applications.
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Straight-Line Configuration: Provides excellent control and maneuverability for detailed work.
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Durable Build: Dynabrade’s industrial-grade construction ensures long-lasting reliability.
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Operator Comfort: Ergonomic design reduces fatigue during extended use.
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Versatile Applications: Perfect for metal fabrication, maintenance, and repair work.
Q&A
Q: What is the Dynabrade 52374?
A: A compact, high-performance 4" straight-line grinder designed for Type 1 wheels, offering precision grinding and cutting in tight spaces.
Q: What applications is it best for?
A: Ideal for deburring, weld cleanup, surface prep, and cutting metal in industrial and fabrication settings.
Q: Why choose this grinder?
A: Its straight-line design delivers maximum operator control, while Dynabrade engineering ensures power, reliability, and long service life.
Q: Who uses this tool?
A: Fabricators, metalworkers, maintenance crews, and industrial shops needing a durable small-diameter grinder.
Maintenance Tips
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Inspect grinding wheels regularly and replace if worn, cracked, or damaged.
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Ensure wheel guards and flanges are properly installed and tightened before use.
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Lubricate tool components per manufacturer’s recommendations for smooth operation.
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Check air hose and fittings for leaks, cracks, or wear before each use.
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Avoid applying excessive pressure to extend wheel and tool life.
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Clean tool surfaces and air passages with compressed air after operation.
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Store grinder in a clean, dry environment to prevent rust and damage.
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Schedule routine professional servicing to maintain peak performance and safety.
