Address:
No.233-3 Yangchenghu Road, Xixiashu Industrial Park, Xinbei District, Changzhou City, Jiangsu Province
Ang mga tungsten steel spot drill ay mainam para sa pagsisimula ng tumpak na mga lokasyon ng butas sa mga pagpapatakbo ng metal at CNC. Ang kanilang pambihirang tigas at paglaban sa pagsusuot ay ginagawa silang isang nangungunang pagpipilian kapag ang katumpakan ay kritikal.
These drills are not designed for deep hole drilling but are optimized to create a conical entry point, which guides subsequent drilling tools to maintain alignment and accuracy.
Ang tungsten steel spot drills ay malawakang ginagamit sa CNC milling, aerospace parts production, at precision mold making. Their design focuses on creating an exact starting point, especially on tough materials like hardened steel, stainless steel, and titanium alloys.
For example, in die and mold shops, spot drills with a 90° or 120° point angle are used before twist drilling to improve tool alignment and prevent tool deflection.
| materyal | Katigasan (HRA) | Pinakamahusay Para sa | tibay |
|---|---|---|---|
| Tungsten Steel | 90–92 | Mga tumigas na metal, haluang metal | Mahusay |
| HSS (High-Speed Steel) | 63–67 | Pangkalahatang layunin ng pagbabarena | Katamtaman |
| Cobalt Steel | 68–70 | hindi kinakalawang na asero | Mabuti |