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material: Aluminum, steel, stainless steel are available Size: 3.2mm , 4.0mm, 4.8mm (1/8’’---3/16’’) Head style: dome head/large flange
Material: Al, Steel, S/S, Cu,
Specification: 2.4 *4-16 mm
3.0 *4-25 mm
3.2 *4-25 mm
4.0 *5-40 mm
4.8 *6-50 mm
5.0 *6-50 mm
6.0 *8-40 mm
6.4 *8-40 mm