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AIR REGULATORS
ACCESSORIES
Product Summary
The Le Lematec LE-G1045R is an air straight die grinder with integrated on-tool spanner wrench. Dual collet system: 1/4" and 1/8" shank capacity. Air inlet: 1/4" NPT at 90 PSI. Requires 5-6 CFM. Rear exhaust. Compatible with carbide burrs, grinding stones, sanding drums, wire brushes, and polishing bobs. Used for deburring, port polishing, mold finishing, and precision material removal. Manufactured by Le Lematec. Ships factory direct.
Best for: Professional mechanics, industrial workers, and serious DIY enthusiasts.
LE-G1045R Air Straight Grinder (Spanner on Tool)
The LE LEMATEC LE-G1045R Air Straight Grinder is engineered for precision, power, and comfort. Designed for mechanics, carpenters, technicians, and DIY enthusiasts, this pneumatic grinder delivers smooth performance in metalworking, woodworking, and finishing applications.
Specifications
- Free Speed: 22,000 RPM
- Average Air Consumption (25%): 6 SCFM
- Power: 0.5 hp
- Sound dBA (pressure/power): 79 / 90
- Vibration: 1.61 m/s²
- Collet Size: 1/4" and 1/8" (dual collet system)
- Angle: Straight
- Exhaust: Rear
- Length: 190 mm / 7.5 in
- Air Pressure: 90 PSI / 6.3 kg/cm²
- Air Inlet: 1/4"
Key Features
- Perfect for burrs and mounted points
- Universal 400W die grinder with high torque motor
- Requires only 1 wrench for quick bit changes
- Ergonomic and safe handle design
- Compact and lightweight for reduced fatigue
- Low vibration for smoother operation
- Special muffler reduces noise to 79 dB
Built for Professionals & DIY
Whether you’re tackling heavy-duty grinding in the workshop or precision finishing at home, the LE-G1045R provides the balance of power, control, and comfort that professionals demand and hobbyists appreciate.
Why Professionals Choose This Tool
- Precision Straight Body: Slim inline design reaches inside cavities, ports, and channels that angle grinders and rotary tools cannot access
- Dual Collet System: Accepts both 1/4" and 1/8" shank accessories — maximum versatility with one tool
- On-Tool Spanner: Integrated wrench eliminates searching for loose tools during collet and accessory changes
- High RPM for Fine Finishing: Optimal speed for porting, deburring, polishing, and detailed material removal
- Rear Exhaust: Keeps exhaust air away from the workpiece — critical for clean finishing and polishing work
What's in the Box
- LE-G1045R air straight grinder
- Spanner wrench (integrated on tool)
- Collet set (1/4" and 1/8")
- Air inlet fitting (1/4" NPT)
- User manual
Compatible With
| Accessories | 1/4" and 1/8" shank mounted points, carbide burrs, grinding stones, sanding drums, wire brushes, polishing bobs |
| Air Compressors | 5-6 CFM at 90 PSI |
| Materials | Steel, cast iron, aluminum, wood, plastic, fiberglass, ceramic, stone |
Ideal Applications: die grinding, metal deburring, port polishing, mold finishing, weld cleanup, casting flash removal, tool and die work, jewelry making
Frequently Asked Questions
What air compressor do I need for the LE-G1045R Air Straight Grinder with Spanner?
This tool requires approximately 4-6 CFM at 90 PSI. A compressor with at least a 20-gallon tank provides sufficient air volume for intermittent use. For continuous operation, a 30+ gallon tank is recommended.
Is the LE-G1045R Air Straight Grinder with Spanner compatible with my existing air setup?
Yes. Like all Le Lematec tools, it uses a standard 1/4" NPT air inlet fitting that's compatible with most compressors, hoses, and quick-connect couplers from any manufacturer.
What accessories work with a straight die grinder?
Straight die grinders accept any 1/4" or 1/8" shank mounted accessory: carbide burrs for metal cutting, grinding stones for deburring, sanding drums for contour sanding, wire brushes for cleaning, felt bobs for polishing, and rubber polishing points. The LE-G1045R dual collet system accepts both standard sizes.
Is a straight die grinder the same as a rotary tool (Dremel)?
Die grinders deliver significantly more power and torque than hobby rotary tools. The LE-G1045R handles heavy deburring, porting, and material removal that would stall or overheat a rotary tool. Think of a die grinder as the industrial-strength version — same concept, 5-10x the power and durability.
Can I use this for porting and polishing engine heads?
Yes. Straight die grinders are the standard tool for cylinder head porting. The slim body reaches inside intake and exhaust ports. Use carbide burrs for material removal, then switch to grinding stones and polishing bobs for flow-smoothing. The LE-G1045R dual collet (1/4" and 1/8") accommodates all common porting accessories.
How It Compares
The LE-G1045R's straight-body design provides better line-of-sight and reach into deep cavities compared to angle die grinders. Compared to the LE-G1343L angle grinder, the straight grinder excels at bore porting, internal surface finishing, and work inside tubes or channels where an angled head cannot fit. Compared to flexible-shaft grinders, the G1045R provides stiffer, more controlled grinding with zero shaft deflection.
Shipping Information
- Free shipping on every US order, with no minimum.
- Most orders arrive within 3–5 business days.
- Items marked factory-direct ship from the Le Lematec factory and arrive in 10–15 business days; an express upgrade to 3–5 business days is available at checkout.
Product Return/Refund and Exchange Policies
At Pro Air Tools, we ensure that we are providing the best quality products from the most trusted hand tool brand. Thus, we stand behind all of our products and quality control 100%.
In the event that the products you ordered from us did not meet your expectations, we will gladly offer you our 12-Month Satisfaction Guarantee — replacement, exchange or refund, with no restocking fee.
If within 12 months from your purchase, you are not fully satisfied with any of the products, you may request any of the following:
- Product Replacement
- Exchange the product with another product of the same value.
- Refund the amount you paid.
Proof of purchase from Pro Air Tools is required for all return, refund, and exchange requests. We also require anyone who wishes to return a product, or request a refund, to fill out our Return/Refund Form. We will notify you via email or phone once we process your return/refund request. Refunds will be credited to the original payment method.
With regards to product exchanges, please note that we only accept this type of request if the product delivered to you is defective or damaged. If a customer opts to request a product exchange with “change of mind” as the reason, the product must be returned in its original packaging. The product should not be used or installed in any manner. All return shipping costs will be shouldered by the customer. Return unused product to our office address at 103 Edwin Pl. Asheville, N.C. 28801.
If you have any question regarding our return/refund and exchange policy that was not answered here, feel free to reach out to us via:
Email at sales@proairtools.com
A phone call at +1 828 398 0334
PO Box 8367
725 MERRIMON AVE
ASHEVILLE, NC 28804-2447
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