RH10DX8 Ring Head, 10D, 8mm

Tohnichi RH10DX8 is a precision ring head designed as an interchangeable accessory for torque wrenches, enabling accurate tightening of external hex nuts and bolts in restricted access areas across automotive assembly, electronics manufacturing, and precision engineering tasks. Featuring a compact 10D (10 mm diameter round end) for seamless integration and an 8 mm ring opening for direct fastener engagement, this head delivers reliable torque transfer without slippage, compatible with select Tohnichi CL, YCL, PCL, CSP, CF, CDB, and CEM series wrenches equipped with 10D interfaces. Ergonomically lightweight with robust construction, it supports rapid head exchanges to optimize workflow efficiency, minimize downtime, and ensure consistent torque application in space-constrained operations.

Key Performance Specifications

• Drive Size: 10 mm Round End (10D insertion angle)
• Head Type: Ring (8 mm across flats)
• Ring Engagement: Direct grip for 8 mm hex fasteners; single-direction torque application
• Head Width: 13 mm (outside across flats)
• Compatibility: Tohnichi CL25N, YCL12N, PCL22.5N, CSP25N, YCL23N, CF25N, CDB25N-S, CEM20N3, and other 10D-equipped interchangeable head torque wrenches
• Torque Capacity: Up to 10 N·m (head allowable; typically 5 - 10 N·m depending on wrench model)

Physical and Environmental Specifications

• Weight: 0.10 lbs (0.045 kg)
• Dimensions: 2.05" L x 0.51" W x 0.28" H (52 mm x 13 mm x 7 mm)
• Material: High-strength alloy steel with hardened finish
• Operating Temperature: 14°F to 104°F (-10°C to 40°C); suitable for standard workshop conditions
• Storage Conditions: Dry environment to prevent corrosion; indefinite shelf life

Key Features

• Secure Ring Grip: Provides full circumferential engagement for 8 mm hex nuts/bolts, ensuring axis alignment between bolt and head to prevent wobbling and enhance precision in narrow clearances without slippage
• Compact 10D Interface: Secure round-end design locks firmly into compatible wrench bases, allowing quick swaps for versatile fastener handling and reduced setup time
• Low-Profile Build: Slim 7 mm thickness and 13 mm width minimize obstruction in tight spots, ideal for assembly lines and maintenance in confined machinery
• Durable Alloy Construction: Hardened steel withstands high-cycle use and minor impacts, promoting longevity and reliability in demanding industrial environments
• Versatile Compatibility: Effortlessly pairs with multiple Tohnichi wrench models for broad application coverage, from low-torque electronics to medium-duty mechanical fastening
• Drop-Prevention Design: Aligned axis configuration safeguards against accidental head detachment during operation, enhancing safety and tool integrity