APT Pneumatics’ Straight Die Grinder are direct-drive tools designed for material removal, weld cleanup, chamfering, and deburring tasks across industrial setups. Built for versatility in metalworking and fabrication, these grinders deliver high-speed rotary power that supports both mounted burrs and bonded wheels in confined, flat, or extended-reach spaces.
Suited for assembly lines, maintenance bays, and foundry environments, they are used for grinding heavy castings, removing scale, and shaping components that require controlled abrasion under load.
With a balanced housing and consistent airflow mechanism, APT’s Straight Die Grinder are built for extended use under load. Available in multiple lengths and speed variants, they support a range of grinding applications without compromising handling or stability.
The tools are engineered for continuous-duty cycles and can withstand repetitive industrial use while maintaining operational consistency across shifts.
| Model | Capacity | Max Free Speed (RPM) |
Overall Length (mm) |
Weight (Kg) |
Air Inlet Thread (B.S.P.) |
Air Hose Size (mm) |
|
|---|---|---|---|---|---|---|---|
| Collet Chuck Size (mm) |
Wheel Size (mm) |
||||||
| AG-35 | 6 | – | 35,000 | 165 | 0.45 | 1/4" | 9.5 |
| AG-25+ | 6 | – | 25,000 | 147 | 0.45 | 1/4" | 9.5 |
| AG-25 | 6 | – | 22,000 | 155 | 0.49 | 1/4" | 9.5 |
| ● AG-25M | 6 | – | 22,000 | 195 | 0.55 | 1/4" | 9.5 |
| * AG-25RE | 6 | – | 22,000 | 167 | 0.55 | 1/4" | 9.5 |
| ■ AG-20S | 6 | – | 22,000 | 155 | 0.75 | 1/4" | 9.5 |
| AG-25L | 6 | – | 22,000 | 255 | 0.69 | 1/4" | 9.5 |
| ■ AG-20SL | 6 | – | 22,000 | 255 | 1.15 | 1/4" | 9.5 |
| AG-40L | 6 | – | 18,000 | 600 | 1/4" | 1/4" | 6.0 |
| AG-50+ | 6 | 50 | 18,000 | 275 | 1.35 | 1/4" | 9.5 |
| ■ AG-50S+ | 6 | 50 | 18,000 | 275 | 1.85 | 1/4" | 9.5 |
| ■ AG-50R | 6 | 50 | 18,000 | 345 | 2.20 | 1/4" | 9.5 |
| AG-60+ | 6 | 63 | 14,500 | 275 | 1.35 | 1/4" | 9.5 |
| ■ AG-60S+ | 6 | 63 | 14,500 | 275 | 1.85 | 1/4" | 9.5 |
*Specifications are subject to change without notice.
Models range from 14,500 to 35,000 RPM, making them suitable for heavy stock removal as well as finer deburring or surface correction tasks.
Tools are available in compact formats (147mm) to extended-body designs (up to 600mm), supporting work in confined spaces as well as long-reach surface areas.
All models support a 6mm collet chuck as standard, with compatibility for various mounted points and burrs used in fabrication and repair operations.
Each model operates at a working pressure of 6.3 bar (90 psi) and uses 1/4″ B.S.P. inlet, making them compatible with standard pneumatic shop systems.
Weights range from 0.45 kg to 2.20 kg, balancing tool performance with user fatigue across short- and long-duration grinding work.
Select models support abrasive wheels up to 63mm in diameter, making them suitable for moderate grinding pressure across steel, cast iron, and aluminum parts.
The product line includes models with rear exhaust and extended bodies, offering added flexibility for confined setups or continuous use where airflow control is important.
Designed for sustained surface work, APT Pneumatics’ Straight Die Grinders are suited for operations that involve weld removal, surface correction, chamfering, and post-fabrication finishing. Their adaptability makes them suitable across metalworking, repair, and production settings where consistent rotary grinding is required.
