国产成年无码久久久久下载丨国内精品自产拍在线观看丨伊人情人综合网丨国产精品久久久久久久久绿色丨日本污ww视频网站

Home > Products > Tool > PCB drilling needle
ST鉆頭-1.jpg

ST type drill bit STJ series

ST type back drill specialized drill needle, solves the problem of back drill plug hole and copper chip residue, ensuring good hole wall quality.

Main applications

ST type back drill specialized drill needle, solves the problem of back drill plug hole and copper chip residue, ensuring good hole wall quality.

Product specification line diagram

STJ_尺寸圖.png

Product Color

TECHNICAL INDEX