SH12D-1X14N Notched Open End Head, 12D, 14mm

Tohnichi SH12D-1X14N is a precision notched open end head designed as an interchangeable accessory for torque wrenches, facilitating accurate tightening of slotted or notched hex fasteners in restricted access areas across automotive assembly, electronics manufacturing, and precision engineering tasks. Featuring a compact 12D (12 mm diameter round end) for seamless integration and a 14 mm notched open end for direct fastener engagement, this head delivers reliable torque transfer without slippage, compatible with select Tohnichi CTA, CTB, CL, YCL, CSP, and CEM series wrenches equipped with 12D 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: 12 mm Round End (12D insertion angle)
• Head Type: Notched open end (14 mm across flats)
• Notched Engagement: Direct grip for 14 mm slotted/notched hex fasteners; single-direction torque application
• Head Width: 21 mm (outside across flats)
• Compatibility: Tohnichi CTA50N, CTB50N, CL50N, YCL40N2, CSP50N, CEM50N3, and other 12D-equipped interchangeable head torque wrenches
• Torque Capacity: Up to 50 N·m (head allowable; typically 25 - 50 N·m depending on wrench model)

Physical and Environmental Specifications

• Weight: 0.17 lbs (0.077 kg)
• Dimensions: 2.09" L x 0.83" W x 0.35" H (53 mm x 21 mm x 9 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

• Notched Open End Grip: Specialized notches provide secure, multi-sided engagement for slotted or notched hex fasteners, ensuring axis alignment and preventing wobbling for enhanced precision in narrow clearances without slippage
• Compact 12D Interface: Secure round-end design locks firmly into compatible wrench bases, allowing quick swaps for versatile fastener handling and reduced setup time