Electric bolt wrenches

This600N Mechanical Internal Combustion Railway Use Bolt Wrenchis designed for Railway Working System by our engineers. With reliable transmission performance,economical price, universal sleeve design, automatic alignment and quick dismounting device,this bolt wrench is a product with good cost performance. Product Feature: 1.It is of reliable transmission performance and is economical and practical. 2.Universal sleeve design, automatic alignment of double end. It makes simultaneous operation on double ends possible. 3.Small shock and it does little harm to human body. 4.Quick dismounting device is mounted on the sleeve to avoid nut stuck and ensure safe operation on tracks. Product Specification/Models: Model:NJB-600-II Power(hp):5.5 Engine speed(rpm):3500-3600 No. of sleeves:2 Rotational sleeve speed (rpm):>120 Sleeve center distance (mm):214(ballast track)/234(ballastless track) Sleeve lifting height(mm):>80 Max unscrewing torque (N.m):600 Tightening torque (N.m):80-350 Working efficiency(p/s) :4 Lighting:With Commutation:With Time used for carrying on/off tracks(min):Less than one min Insulation class:>5 L × W× H(mm):980×470×700 Net weight(Kg):85 Application: It is widely used in track laying and fine-tuning of railway construction.

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