Automatic tapping operation is suitable for all kinds of metal and non-metallic products in the hole. General categories are as follows: 1, blind hole products, cap nuts, nut oil, automotive tyre nut and non-standard pieces of the inner hole tapping operation. 2, through hole hole tapping operation products: round nut, nut and pipe fittings products in. 3, is in the shape of hexagonal, square or polygonal, round and non-standard pieces of the inner hole tapping operation.
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