230PCS HSS Titanium Coated Twist Drill Bit Set

ʻO ka wehewehe pōkole:

Hana ʻia kēia drill bit me ke kila kiʻekiʻe me ka titanium nitride coating, e hāʻawi iā ia i ka paʻakikī o ka ʻili kiʻekiʻe e kōkua i ke komo ʻana i nā mea paʻakikī a ʻo ka pale ʻana i ka corrosion e hōʻemi ana i ka friction ma waena o ka bit a me ka mea hana.
Hele mai kēia mau puʻupuʻu drill me ka hoʻolālā wili e hoʻonui i ka wikiwiki o ka ʻoki ʻana me kahi kihi kihi he 135 degere ʻāpana no ka hoʻonohonoho pono ʻana iā ia iho a i hoʻolālā ʻia e ʻoki wikiwiki i nā puka no ka pale ʻana i ka hele ʻana, hoʻomaʻemaʻe wikiwiki i nā ʻāpana a me nā ʻāpana.
ʻO ka pau ʻana o ka oxide ʻeleʻele e hōʻemi i ka ʻaʻahu ʻana i ka wā e hāpai ana i ka puʻupuʻu a me ke kahe ʻana o ka mea hoʻomaha ma nā mea ferrous.