Torque Adapter 0.5 Nm for 1/4 Inch Bits, Narrow Version - Bernstein 4-991-05

Tightening delicate screws on electronic devices calls for more than a standard bit holder when an exact torque is required. The adapter 4-991-05 fits between a holding tool and a 1/4 inch bit and applies a factory-preset tightening torque of 0.5 Nm.

Benefits

• Precise tightening torque of 0.5 Nm with a tolerance of only +/-10% for at least 20,000 clicks.
• Clear click sound at the set torque, overtightening the screw is ruled out.
• No torque unlocking when loosening, giving 30% higher loosening torque without extra tools.
• Fits any standard 1/4 inch holding tool to DIN 3126 and holds bits with a magnetic seat.
• Compact design at Ø 10 mm with an overall length of only 34.5 mm and 15 g weight.

Technical Data

Application

• Exact tightening of small screws on electronic devices and in quick-change systems.
• Use in robotic stations, aerospace, and medical technology, wherever accurate torque is needed.
• Manual operation at any workbench, or with power tools at max. 100 rpm and minimal click repetition.

Standards and Delivery Data

• Tested according to DIN EN ISO 6789 for manually operated torque screwdriving tools.
• EAN 4250838533973
• Customs tariff number 82041100
• Country of origin Taiwan