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96 www.techno-isel.com 3  ø16 mm, precision rolled and polished. 3  Material Cf 53, induction hardened to HRC 62 ± 2. 3  Pitch accuracy < 0.1 mm / 300 mm, ISO class 7. 3  Screw pitches of 2.5, 4, 5, 10 and 20 mm. 3  Available with machined and unmachined    ends in lengths up to 3 m. 3  High life expectancy. 3  Excellent cost/performance ratio. 3  Produce greater than 90% efficiency in converting rotary to linear motion. 3  Machined screws are designed to be held by a double bearing on one side and on the other, either a floating bearing, or no bearing and a guiding ball nut. FEATURES Ball Screws (16 mm dia.) (Ball Nuts Purchased Separately) * 552, 1052, 2052, 3052: available unmachined. 2    Pitch Code (mm)    2  –    2.5 3  –    4 4  –    5 5  –  10 6  –  20 Length Code Length (mm)   125   1252   155   1552   205   2052*   305   3052* Machining 0  –  Unmachined 2  –  Machined Length Code Length (mm)   045     452   055     552*   065     652   075     752   085     852   095     952   105   1052* CATALOG NUMBER HL513 M