
ʻO kēia kahi Deep Hole Honing Tool (ʻike pū ʻia ʻo Mandrel Honing Tool), kahi mea hana hoʻopau pololei i hoʻolālā ʻia no ka hoʻomaʻemaʻe ʻana i loko o nā lua hohonu me nā lakio hohonu-a-diameter kiʻekiʻe. He mea kūpono ia no ka loaʻa ʻana o nā ʻāpana ultra-smooth a me ka hoʻomanawanui ʻana o nā dimensional paʻa i nā ʻoihana e like me ka aerospace, hydraulics, a me ka hana ʻana.
ʻO ka Floating Pad (ʻike pū ʻia ʻo Floating Guide Pad) he mea alakaʻi koʻikoʻi i nā mea hana hoʻoluhi lua hohonu (ʻo ia hoʻi nā ʻōnaehana BTA a me Ejector). ʻAʻole like me nā pad paʻa, hoʻohana nā pads lana i kahi mīkini hoʻopiha wai a hydraulic paha e mālama mau ai i ka pilina me ka pā lua. Hoʻopiʻi ikaika kēia hana "lele" no ka hoʻohuli ʻana i ka mea hana, e hōʻoia ana i ka pololei a me ka hoʻopau ʻana i ka ʻili ma ka mīkini lua hohonu.
ʻO ka Deep Hole Boring Tube ka mea koʻikoʻi o BTA (Boring and Trepanning Association) nā ʻōnaehana hole hohonu. Hoʻolālā ʻia no ka mīkini hana kiʻekiʻe o nā lua hohonu me kahi ratio hohonu-a-diameter (D: d) ≥ 10: 1, hoʻohana nui ʻia ia i ka aerospace, ikehu, a me nā ʻoihana kaʻa. He kūpono ia me nā ʻōnaehana Single Tube (STS) a me Double Tube (DTS/Ejector), me ka hoʻohana ʻana i ka mea hoʻoheheʻe kiʻekiʻe a me ka hoʻolālā paʻa e hōʻoia i ka haʻalele ʻana i ka chip.