深圳市海之恒儀器商行銷售SHS螺紋量規(guī).型號(hào),M20X.規(guī)格,1.5-6H種類,GPNP.螺紋用的主要界限量規(guī)之使用方法 1、ISO等級(jí)的美標(biāo)螺紋.管用平行螺紋用的量規(guī)都適用.2、GP，GR等用手?jǐn)Q進(jìn)螺紋，并輕松的穿過(guò)。3、NP,NR等用手?jǐn)Q進(jìn)螺紋，螺紋擰進(jìn)最多不的超過(guò)2圈。4、GW,NW等用手?jǐn)Q進(jìn)的同時(shí)，螺紋擰進(jìn)最多不的超過(guò)一圈。Major gauges for threads of workpiece.1、Gauging system for ISO class Metric,Parallel pipe(G）.2、Screw this gauge in a worked thread by hand smoothly.GP,GR must go through over the whole length of thread.3、Screw this gauge into a woked thread smoothly by hand NP,NR shall not be screwed in it more than two revolutions from either sides.4、GR,NR shall not be screwed in more than one revolution from rither sides when screwing this check plug smoothly.深圳市海之恒儀器商行代理各種進(jìn)口儀器儀表、電子工具、機(jī)械設(shè)備、五金工具、模具、刀具的技術(shù)開發(fā)、電子產(chǎn)品。聯(lián)系電話：0755-83286328；83232968；83250802；傳真：0755-83227989；公司網(wǎng)址：http:// 聯(lián)系人：黃先生。