RNTDLS500CN Rotary Slip Preset Torque Screwdriver, 200-500 cN.m w/ Limit Switch

Tohnichi RNTDLS500CN is a high-precision rotary slip preset torque screwdriver with integrated limit switch engineered for quality inspections, precise torque verification, and controlled tightening in demanding assembly environments such as electronics manufacturing, automotive component installation, and precision instrumentation. Delivering accurate torque from 200 to 500 cN·m via a 1/4" hex drive, this manual tool features a rotary slip clutch for consistent results, an electrical limit switch for error-proofing signal output, lightweight construction for reduced fatigue, and a tamper-proof design to maintain settings. Ergonomic and durable with a resin grip, it supports bi-directional operation for versatile use in tightening and loosening tasks, promoting operator efficiency and reducing the risk of over-torquing in moderate-force applications.

Key Performance Specifications

• Torque Range: 200 - 500 cN·m (2.0 - 5.0 N·m / 20 - 50 kgf·cm / 17.7 - 44.3 lbf·in)
• Accuracy: ±6% of indicated value
• Drive Size: 1/4" Hex
• Clutch Type: Rotary slip, preset and adjustable with limit switch output
• Loading Direction: Bi-directional (CW and CCW); limit switch signal on torque achievement

Physical and Environmental Specifications

• Overall Length: 205 mm (8.07")
• Weight: 0.35 kg (0.77 lbs)
• Handle Diameter: Approximately 25 mm (ergonomic for low-torque control)
• Operating Temperature: 14°F to 104°F (-10°C to 40°C); suitable for standard workshop conditions
• Limit Switch Output: NPN open collector (24V DC max, 50 mA); cable length 2 m
• Storage Conditions: Dry environment to prevent corrosion; calibration recommended annually

Key Features

• Rotary Slip Clutch with Limit Switch: Provides consistent torque delivery with electrical signal output upon clutch slip, enabling integration with PLCs and error-proofing systems for automated verification
• Preset Adjustment: Tamper-proof dial for quick setting changes, ensuring accuracy without unauthorized alterations while triggering limit switch at target torque
• Lightweight Ergonomic Design: Resin grip and balanced body reduce hand fatigue during prolonged use in precision tasks, with switch cable for flexible routing
• Bi-Directional Versatility: Supports tightening and loosening measurements, with limit switch configurable for CW/CCW signals to enhance utility in inspection workflows
• Durable Construction: High-strength materials for >10,000 cycle durability in demanding production environments, with robust switch rated for industrial use
• Applications: Optimized for small-to-medium fastener assembly in electronics, aerospace, medical devices, and general precision manufacturing; excels in torque-controlled workflows with automated signaling