TCT hollow drill bit 12mm-100mm cutting depth 50mm annular cutter for rail cutting broach
1. Imported carbide blades, using imported high-performance carbide blades with fine particles, strong and wear-resistant.
2. Divided into three layers of geometric blades, the inner blade, middle blade and outer blade are divided into layers and cut geometrically, circular cutting, energy saving, wear resistance, anti-chipping and impact resistance.
3. Spiral chip removal groove, spiral design large-capacity chip removal groove, long groove and short groove are used according to different specifications to remove chips smoothly, preventing chipping caused by debris blockage.
The drill bit needs to be used with the ejector pin and the center positioning ejector pin, which has the functions of positioning, cooling valve opening, and core discharge.
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