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Supply Type
Manufacturer, Exporter, Supplier
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All over the world
Material: C1022, Thread: Fine/ coarse,2. Diameter: 3.5 mm (6#), 3.9 mm (7#), 4.2 mm(8#), 4.8 mm (10#)3. Length: 16mm to 152mm, (5/8 – 6 inches)6. Finish: Black/ grey phosphate, zinc plated,7. Harden: center 289-449 HV, surface 560-653 HV