螺旋塑座针头产品说明：为精工所制，所有不锈钢管皆采用独特工艺，精密抛光无毛边，可实现出胶精确，杜绝拉丝，双螺旋锁紧及大面积旋转设计，不仅使配合更安全而且拆卸更容易。（各种长度尺寸可订制）色泽规格料号料号料号内径（mm）外径（mm）橄榄14GLC114013LC114025LC1140381.642.10琥珀15GLC115013LC115025LC1150381.431.83绿色18GLC118013LC118025LC1180130.921.28粉红20GLC120013LC120025LC1200380.610.91紫色21GLC121013LC121025LC1210380.520.82蓝色22GLC122013LC122025LC1220380.420.72橘色23GLC123013LC123025LC1230380.340.64红色25GLC125013LC125025LC1250380.260.52透明27GLC127013LC127025LC1270380.210.42浅紫30GLC130013LC130025LC1300380.160.31黄色32GLC132013LC132025LC1320380.110.23雪青34G