Carbide-tipped hole cutters maturusi ane hunyanzvi anoshandiswa kuchera makomba mune zvakasiyana zvinhu. Nematipi akagadzirwa netungsten carbide, vane kuomarara kwakanyanya uye kupfeka kuramba, zvichivabvumira kubata nyore simbi isina tsvina, simbi yakakandwa, aluminium, mhangura, huni, p...
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