<*n style="font-size:14.0pt;font-family:宋体;color:blue">风钻杆*n><*n style="font-size:14.0pt;font-family:宋体">的用途:<*n lang="EN-US" style="color:blue">
<*n style="font-size:14.0pt;font-family:宋体">属于凿岩钎具系列,又名钎杆,材料选用<*n lang="EN-US">55SiNOMO*n>中空六角钢,规格有<*n lang="EN-US">0*n>.
<*n lang="EN-US" style="font-size:14.0pt;font-family:宋体;color:blue">B19*n><*n style="font-size:14.0pt;font-family:
宋体;color:blue">钻杆,又称<*n lang="EN-US">B19*n>锚杆*n><*n style="font-size:14.0pt;font-family:宋体">,用于锚杆钻机上,分为底节锚杆,中节锚钻杆,下节锚钻杆,钻杆之间可以用连接套连接,配用的是锚杆钻头。<*n lang="EN-US">
<*n lang="EN-US" style="font-size:14.0pt;font-family:宋体">B19*n><*n style="font-size:14.0pt;font-family:宋体">锚杆钻杆与钻头连接出螺纹为内<*n lang="EN-US">M14*n>×<*n lang="EN-US">1.5*n>或方牙,长度<*n lang="EN-US">0.4*n>~
<*n style="font-size: 19px;"> *n>
<*n lang="EN-US"> *n>