Uptech Engineering manufactures Alloy Steel made Ultra Sine Bar. Uptech Engineering H&G V Block with Clamp, H&G Precision Grinding Vice & Screw Type Grinding Vice, Permanent Magnetic Chuck, Sine Table`s, Magnetic Sweeper`s, Permanent Magnetic Lifter, Roller Bearing "V" Block, Magnetic Base, Heavy Duty Electromagnetic Chuck, H & G Try-Square & Straight Edge and Electroperm Magnetic Chuck. The Alloy Steel made Ultra Sine Bar is used for precision measurement and setting of angles. The Alloy Steel made Ultra Sine Bar has accuracy for Squareness, Flatness and Parallelism within 0.005mm. This Bar has Centre distance between rollers within ± 0.005mm. This Bar is tempered and hardness of 60 ± 2 Rc.