Le Lematec LE-G2543R Flexible Head Air Die Grinder | 20,000 RPM, Variable Speed, 1/4" Collet
- Regular price
- $74.45
- Sale price
- $74.45
- Regular price
-
$129.00 - Unit price
- / per
Le Lematec LE-G2543R — Flexible Head Die Grinder for Tight Spaces
The LE-G2543R puts 20,000 RPM of grinding power into spaces that straight and angle grinders can't reach. The flexible shaft articulates up to 90° from the main body axis, letting you grind, deburr, and polish inside engine ports, pipe interiors, mold cavities, and enclosed structures — all from a comfortable grip on the main body. Variable speed gives you precise control across materials from aluminum to steel.
- Flexible Head Design: Articulates up to 90° — reaches engine compartments, pipe interiors, mold cavities, and confined spaces that rigid grinders can't access
- 20,000 RPM: Comparable cutting speed to straight die grinders for efficient material removal
- Variable Speed Control: Precise RPM adjustment for different materials — lower speed for aluminum, full speed for steel
- 1/4" Collet: Accepts all standard 1/4" shank accessories: carbide burrs, mounted points, sanding drums, flap wheels, and polishing bobs
- 82 dB Operation: Quieter than most pneumatic grinders for better working conditions during extended use
- Rear Exhaust: Directs debris and air away from the work surface and operator
- Lightweight at 1.4 lbs: Reduced fatigue during prolonged use in tight spaces
Why Choose a Flexible Head Die Grinder?
The flexible shaft allows approximately 90° of articulation from the main body axis — a combination of a die grinder and a flexible shaft tool. Use it for port and polish work inside engine heads, deburring inside tubes and housings, finishing welds in confined spaces, and detail work in mold cavities. Many shops keep both a straight grinder for general work and the LE-G2543R for hard-to-reach areas.
Technical Specifications
- Speed: 20,000 RPM
- Operating Pressure: 90 PSI
- Air Consumption: 4 CFM
- Weight: 1.4 lbs
- Noise Level: 82 dB
- Collet Size: 1/4"
- Air Inlet: 1/4" NPT
- Features: Variable speed, rear exhaust, flexible articulating head
What's in the Box
- LE-G2543R flexible head die grinder
- Flexible shaft extension
- 1/4" collet
- Spanner wrench
- Air inlet fitting (1/4" NPT)
- User manual
Compatible With
| Accessories | All 1/4" shank mounted points, carbide burrs, grinding stones, sanding drums, and polishing bobs |
| Air Compressors | 4–6 CFM at 90 PSI |
| Materials | Steel, aluminum, wood, plastic, fiberglass, ceramic |
Frequently Asked Questions
What's the advantage of a flexible die grinder over a straight die grinder?
A straight die grinder is simpler and more rigid — better for flat surfaces and open access. The flexible head grinder sacrifices some rigidity for vastly improved reach in tight spaces. The access advantage far outweighs any minor power difference for finishing, deburring, and detail work.
How flexible is the head?
The flexible shaft allows approximately 90° of articulation from the main body axis. This lets you grind, polish, and deburr inside enclosed spaces, around corners, and at compound angles that neither straight nor angle grinders can reach.
What accessories fit this die grinder?
The 1/4" collet accepts all standard 1/4" shank accessories: carbide burrs, mounted grinding points, sanding drums, flap wheels, and small cut-off wheels. Any 1/4" shank rotary accessory will fit.
What air supply does this need?
The LE-G2543R requires 4 CFM at 90 PSI for full speed. An inline air regulator is recommended to fine-tune RPM for different materials — lower speed for aluminum, full speed for steel.
Is the flexible head as powerful as a straight grinder?
At 20,000 RPM, the LE-G2543R delivers comparable cutting speed to straight die grinders. The flexible shaft absorbs a small amount of power vs. a rigid connection, but for finishing, deburring, and detail work the performance difference is negligible.

