Product Highlights
The ASA-4500 is a full-auto shut-off electric screwdriver designed for precision screw fastening applications. It provides a 1.5-10 kgf-cm torque range with stepless torque adjustment and supports machine screws from 2.0–3.0 mm and tapping screws from 2.0-2.6 mm. The low-voltage DC motor provides smooth operation, while the ergonomic design helps reduce operator fatigue. ESD type is available for ordering.

- Torque range: 1.5–10 kgf-cm / 1.30–8.7 lbf・in
- Available screw size: Machine screws 2.0–3.0 mm; tapping screws 2.0–2.6 mm
- No-load speed: 450–700 rpm
- Available controllers: APS-351B and AM-45
- Power source: 35 VDC
- Torque setting: Stepless
- Weight: 380 g / 0.83 lb
- Length: 208 mm / 8.2 in
- Grip diameter: 32 mm / 1.26 in
- Drive: φ4
- Available bit size (optional): φ4 and 6.35 mm (1/4″) hex shank
- ESD type: Available for ordering
- Design: Ergonomic handle designed to reduce work fatigue; low-voltage DC motor driving with controller.

