Call Us
+86 136 6007 9809
Call Us
+86 136 6007 9809
CNC machining parts control accuracy：We strictly follow ISO 9001quality management system in production. Our excellent QA team will guarantee the material quality, processing control, and outgoing quality control, just to ensure to meet customers’ requirements perfectly. We are committed to improving our quality management and product quality continuously.
PRECISION RANGE
1 Aperture diameter and roundness ±0.00002" (±0.5 um/±0.0005 mm)
2 Flatness ±0.00001" (±0.2 um/±0.0002 mm)
3 Straightness 0.00004" (1 um/0.001 mm)
4 Cylindricity 0.00002" (0.5 um/0.0005 mm)
5 Parallelism 0.0001" (0.25 um/0.0025 mm)
6 Verticality 0.0002" (5 um/0.005 mm)
7 Concentricity 0.0002" (0.5 um/0.0005 mm)
8 Symmetry 0.0003" (8 um/0.008 mm)
9 Beat 0.00004" (1 um/0.001 mm)
EXTERNAL THREAD TOLERANCE
4h: Screws with a nominal diameter of 1mm-300mm
5h&6h: Screws with a nominal diameter of 3mm-39mm
6h: Screws with a nominal diameter of 1mm-68mm
6g: Screws with a nominal diameter of 1.6mm-300mm
6f: Screws with a nominal diameter of 1.6mm-68mm, and threads with a pitch greater than or less than 0.35mm.
6e: Screws with a nominal diameter of 3mm-68mm, and threads with a pitch greater than or less than 0.5mm.
8h: Screws with a nominal diameter of 5mm-300mm, and threads with a pitch greater than or less than 0.8mm.
8g: Screws with a nominal diameter of 5mm-300mm, and threads with a pitch greater than or less than 0.8mm.
Contact Us
Tel.:
+86 020 8621 0320
+86 020 3121 6067
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