Min. Order Reference FOB Price
50 Pieces US$2.50-9.90 / Piece
Product Description
Product Description Also known as the upper screw tap, it has a spiral chip removal groove, and the chips can be smoothly discharged from the hole to the outside. It is suitable for blind hole tapping. There are three spiral angles: 1. Spiral angle: 45 ° - 47 ° suitable for deep hole ...