Drill bits sune kayan aikin yanke-yanke na musamman waɗanda suke da mahimmanci ga tsarin anchor na kai tsaye, waɗanda aka tsara don ci gaba ta hanyar strata na ƙasa yayin da suke ƙirƙirar borehole don shigar da anchor na ƙasa. Waɗannan bits an tsara su don yanke da kuma kwashe kayan ƙasa, suna aiki azaman makiyayan yanke-yanke na farko a cikin fasahar hollow-bar anchor na kai tsaye. Haɗin bit yawanci ya ƙunshi kai na yanke-yanke na ƙarfe mai karfi tare da grooves ko haɓaka na musamman, da aka haɗa zuwa shaft na hollow-bar wanda ke ba da damar drilling da grout injection a lokaci guda. Geometry na yanke-yanke da taro na kayan an tsara su don jure stress mai mahimmanci daga makamantansu na juyawa da na jiki yayin da suke riƙe aikin drilling a cikin yanayin geotechnical na canje-canje.
Drill bits sune kayan aikin yanke-yanke na musamman waɗanda suke da mahimmanci ga tsarin anchor na kai tsaye, waɗanda aka tsara don ci gaba ta hanyar strata na ƙasa yayin da suke ƙirƙirar borehole don shigar da anchor na ƙasa. Waɗannan bits an tsara su don yanke da kuma kwashe kayan ƙasa, suna aiki azaman makiyayan yanke-yanke na farko a cikin fasahar hollow-bar anchor na kai tsaye. Haɗin bit yawanci ya ƙunshi kai na yanke-yanke na ƙarfe mai karfi tare da grooves ko haɓaka na musamman, da aka haɗa zuwa shaft na hollow-bar wanda ke ba da damar drilling da grout injection a lokaci guda. Geometry na yanke-yanke da taro na kayan an tsara su don jure stress mai mahimmanci daga makamantansu na juyawa da na jiki yayin da suke riƙe aikin drilling a cikin yanayin geotechnical na canje-canje.