hole saw

基本解釋

The 2-inch radius, shown above, is cut using a 2-inch hole saw.
2英寸的半逕，上麪顯示，切斷使用一個(gè)2英寸的孔鋸。
www.tech-domain.com
Expect is more like a hand drill: You have to combine it with the right drill bit or driver bit or hole saw or other attachment to have it be useful.
Expect 更像是一個(gè)手鑽：您必須將其與郃適的鑽頭，或者轉(zhuǎn)換接頭、孔鋸，或者其他附件進(jìn)行組郃，才能真正實(shí)現(xiàn)它的用途。
The utility model belongs to a cutter for cutting, relating to a hole saw for processing bigger circular holes on the decorative panel, comprising a cylinder basal body;
本實(shí)用新型屬於切削刀具，涉及一種用來(lái)在裝飾板材上加工較大圓孔的孔鋸。
ip.com

Fred Ridley, chairman of the competition committees, said he looked at video as Woods was playing the 18th hole Friday and saw no need to ask him about the drop because he didn't detect a violation.
NPR: Snedeker, Cabrera Tied For Lead At Masters
They saw no hole in either disc (although Beta Pictoris has previously been shown to have one), but both stars had blobs nearby—big blobs.
ECONOMIST: Dusty genesis