ST1-2

BS-4000

Electric Screwdrivers

The ASA BS-4000 is a brushless medium-torque electric screwdriver designed for precise and efficient screw fastening. It provides a torque range of 1.5-12.0 kgf-cm with high-precision torque control and stepless torque adjustment. The screwdriver uses low-voltage DC motor drive with compatible controllers and supports adjustable operating speeds. Its brushless motor design offers durability and is suitable for clean-room operating environments. <img class="aligncenter wp-image-18468 size-full" src="https://advancetech.co.in/wp-content/uploads/2023/01/Screenshot-2026-09-14-144531.png" alt="" width="396" height="401" /> <div class="PSWZZq_Content"> <div class="PSWZZq_Label"> <ul> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong><span class="w6asjq_TextBase _85PZeG_Text" data-d-component="text" data-d-default-strong="" data-d-inline="">Torque Range:</span></strong> 1.5-12.0 kgf-cm</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Motor:</strong> High-efficiency brushless motor</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Speed:</strong> 700–1000 RPM</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Torque Accuracy:</strong> High-precision torque control</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Torque Setting:</strong> Stepless torque adjustment</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Operating Voltage:</strong> 20–30V DC</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Applicable Machine Screw:</strong> 1.4–3.0 mm</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Applicable Tapping Screw:</strong> 1.4–2.6 mm</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Weight:</strong> 412 g</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Length:</strong> 227 mm</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Grip Diameter:</strong> 33 mm</li> <li class="w6asjq_TextBase _85PZeG_Text PDq2pG_selectionAnchorContainer" data-d-component="text"><strong>Available Bit Size:</strong> 5 mm and 6.35 mm (1/4") hex shank</li> </ul> </div> </div>