Impact wrench Makita WR100DSA

The Makita WR100DSA is a compact 12V impact wrench equipped with a brushless motor and designed for fastening and loosening tasks where controlled torque and portability are required. It delivers a maximum torque of 47.5 N⋅m and an idle speed of up to 800 RPM. The tool uses a 3/8" drive and is powered by a Lithium‑Ion battery; one battery is included. With a slim 67 mm width and height and a depth of 341 mm, the WR100DSA is intended for use in confined spaces and for applications that demand easy one‑hand handling.

Advantages

The brushless motor improves efficiency and reduces maintenance compared with brushed alternatives, while the 12V platform keeps the tool lightweight and portable. The 3/8" drive supports a range of sockets for general fastening tasks. Compact dimensions and balanced weight distribution make it easier to reach tight spots and operate overhead or in cramped areas. The included Lithium‑Ion battery ensures immediate use without requiring an additional purchase.

Suitable for

• Automotive light maintenance and assembly work
• Furniture assembly and installation in confined areas
• General household repairs and DIY fastening tasks
• Electrical and HVAC panel fastening where a compact tool is needed

Key specifications

• Voltage: 12V
• Motor type: Brushless motor
• Maximum torque: 47.5 N⋅m
• Idle speed: 800 RPM
• Drive size: 3/8"
• Battery type: Lithium‑Ion (one battery included)
• Width × Height: 67 mm × 67 mm
• Depth: 341 mm

How to use

Install the compatible Lithium‑Ion battery in the tool until it clicks into place. Select the appropriate 3/8" socket and attach it to the drive. Set the tool to the desired speed or torque setting if the model includes adjustable controls, then engage the trigger to apply fastening or loosening force. Use short bursts when approaching final torque to avoid over‑tightening. After use, remove the battery and store the impact wrench in a dry, cool place.

Usage recommendations

For consistent results, use sockets rated for impact applications and keep the battery charged according to the manufacturer's guidance. When working in tight spaces, maintain a secure grip and avoid side loads on the drive. Regularly inspect the tool and battery for wear or damage before operation.