Tend Industrial Supplies LLC is the supplier of Shinano air angle grinder 5" (125mm) 7500rpm Model SI-2515LA. This air powered angle grinder is a 5" Disc grinder with safety lever throttle and 14mm thread spindle with a speed governor which assures equipment of safety operation. It also have a spindle lock button enable exchanging disc quickly with a rear exhaust and lever throttle with safety lock and a Disc one push lock button.
Shinano Pnuematics Japan manufactures air tools for a variety of applications from automotive service to industrial production. Standard features include composite or steel housings, built in air pressure regulators, and pin or through type socket retainers.
- MANUFACTURED IN JAPAN BY SHINANO INC, - these tools and accessories offer uncompromising industrial quality at reasonable prices.
- SOME SHINANO MODELS HAVE BEEN IN CONTINUOUS PRODUCTION - since the Brand was first introduced into Australia in 1978.
- LARGE INVENTORIES OF SPARE PARTS - are held in stock and these include some parts for discontinued models.
- SHINANO AIR TOOLS ARE YOUR CHOICE - if you need tools that will give long reliable service in industrial production situations.
Comprehensive Data Attributes (GMC Optimized)
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Technical Attribute
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Certified Specification Value
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Brand
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Shinano Pneumatic (Inc. Japan)
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Model Number
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SI-2515LA
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Product Category
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Pneumatic Hand Tools > Air Grinders > Angle Grinders
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Grinding Wheel Size
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$5.0\text{ Inches } (125\text{mm})$
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Spindle Thread Size
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$5/8"-11\text{ UNC Thread}$ (Standard US / Industrial)
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Free Speed RPM
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$12,000\text{ RPM}$
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Maximum Motor Power
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$675\text{ Watts } (0.90\text{ HP})$
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Motor Speed Controller
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Built-In Mechanical Speed Governor
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Average Air Consumption
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$4.0\text{ CFM}$
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Max Continuous Air Flow
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$24.0\text{ CFM}$ (Under Heavy Load)
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Recommended System Pressure
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$90\text{ PSI } (6.2\text{ Bar})$
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Air Inlet Size
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$1/4"\text{ NPT}$
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Minimum Air Hose ID
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$3/8"\text{ (10mm)}$
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Sound Level (ISO 15744)
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$85\text{ dBA}$ (Power Level: $96\text{ dBA}$)
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Vibration Level (ISO 28927)
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$2.5\text{ m/s}^2$
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Net Weight
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$4.4\text{ lbs } (2.0\text{ kg})$
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Overall Length
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$9.25\text{ Inches } (235\text{mm})$
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Duty Cycle Rating
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Continuous Heavy-Duty Metal Fabrication
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Use Case & Pain Points Solved
- The Problem: Traditional electric angle grinders overheat, lose performance, and burn out when subjected to non-stop structural beveling or weld-removal in high-production fabrication bays.
- The Solution: Operating with a robust air vane motor, the SI-2515LA is rated for a $100\%$ duty cycle. It features an integrated mechanical speed governor that automatically adjusts air flow to maintain high torque and maximum RPM when grinding under high physical load.
- Buyer Pain Solved: Eliminates tool stalling. The heavy-duty steel safety wheel guard and dual-position side handle ensure optimal operator control and protection against metal spark streams.
⭐ What Makes It Better (Internal Tech & Materials)
- High-Output Governor System: Unlike basic grinders that bog down under pressure, the internal governor system opens wide to supply more air volume directly when resistance is met, ensuring consistent surface stripping speed.
- Hardened Spiral Bevel Gears: Premium Japanese steel spiral bevel gears disperse load forces evenly, cutting down mechanical friction heat, vibration, and gear backlash.
- Deadman Safety Throttle Lever: Designed with a locking throttle lever to prevent accidental startup on busy, active work tables.
Industrial Applications & Workflows
- Heavy Structural Welding: Rapidly beveling heavy steel pipe plates before structural weld runs.
- Foundry Fettling Operations: Striking and grinding away sand cast parting lines and thick metal riser overflows.
- Shipyard & Bridge Maintenance: Removing heavy scale, structural marine growth, paint sheets, and surface rust layers.
In the Box & Support Specifications
- Standard Items Included: Shinano SI-2515LA Grinder, Hardened Steel Wheel Guard, Dual-Position Ergo Side Handle, Spindle Flange Set, Locking Wheel Spanner Wrench, 1/4" NPT Air Fitting, and detailed safety and parts manual.
Authorized Dealer Status: 100% Genuine Shinano tool. Sold as an Authorized USA Distributor with original factory parts availability and support.
Warranty: Full 1-Year Manufacturer Factory Warranty.
