Shinano SI-1610SR 1/2" Pneumatic Impact Wrench - 450 Nm Low-Vibration Twin-Hammer - High-Performance Industrial Automotive Bolting
1/2" Square Drive pneumatic Impact Wrench SI-1610SR With Muffler 911P-25 Shinano premium brand is a pneumatic impact wrench with a 1/2-inch square drive designed for automotive repair. It is built to support reliable fastening and loosening performance in demanding shop and maintenance environments. Key features include an ergonomic grip for better control.
"Power doesn't need to be heavy. The compact Shinano SI-1610SR packing a massive 450 Nm of pure Japanese twin-hammer breakaway torque proves it. Stop struggling with long-frame, wrist-straining wrenches in tight spots—drop this robust, lightweight tool into your workflow and break frozen fasteners instantly."
? Comprehensive Data Attributes Sheet
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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-1610SR
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Product Category
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Pneumatic Impact Wrenches (1/2" Drive)
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Maximum Breakaway Torque
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450 Nm (332 ft-lbs)
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Working Torque Range
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80 - 380 Nm (59 - 280 ft-lbs)
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Drive / Anvil size
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1/2" Square Drive with Friction Ring Retainer
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Free Motor Speed
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8,500 Free RPM
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Impact Mechanism Type
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Heavy-Duty Twin-Hammer striking system
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Average Air Consumption
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4.2 CFM
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Max Continuous Air Flow
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16.8 CFM
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Recommended System Pressure
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90 PSI (6.2 Bar)
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Air Inlet Size
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1/4" NPT (Industrial Standard)
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Minimum Air Hose ID
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3/8" (10mm)
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Sound Level (ISO 15744)
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88 dBA (Power Level: 99 dBA)
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Vibration Level (ISO 28927)
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4.8 m/s² (K-factor: 1.1 m/s²)
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Net Weight
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3.1 lbs (1.40 kg)
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Overall Length
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5.82 Inches (148mm)
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Duty Cycle Rating
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Commercial Fleet Maintenance / Heavy-Duty Assembly
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⭐ What Makes It Better (Internal Tech & Materials)
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Forged Twin-Hammer System: The striking cage features dual forged steel hammers that strike both sides of the anvil simultaneously. This balance delivers high torque output while reducing kickback vibration.
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Balanced Polymer Casing: Formulated from advanced fiberglass-reinforced nylon composite, reducing hand-weight to just 3.1 lbs without compromising tool housing strength.
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Three-Stage Reverse Power System: Three forward speed selections let you control torque to protect threads, with full power delivered instantly in reverse.
Industrial Applications & Workflows
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Industrial Machine Building: Fast structural assembly of production line frames and structural machinery bases.
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Fleet Vehicle Service: Fast removal of high-torque suspension U-bolts, caliper mounts, and wheel lug fasteners on commercial transport vehicles.
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Assembly Line Operations: Fast, high-torque industrial bolting in tight workspaces.
In the Box & Support Specifications
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Standard Items Included: Shinano SI-1610SR Compact Wrench, 1/4" NPT Male Air Plug, Lubricator Oil Port Needle, Operation Manual, and Exploded view parts guide.
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Authorized Dealer Status: 100% Genuine Shinano tool. Sold as an Authorized USA Distributor with original factory parts availability and support.
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Warranty: Full 1-Year Manufacturer Factory Warranty.
Frequently Asked Questions
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What size air hose is required to get the full 450 Nm of torque?
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Does this wrench use a friction ring or a pin-detent anvil retainer?
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Is this tool safe to run at pressures higher than 100 PSI?