Page 230 - yt

Counterbore
New Procedure: Need Only 2 Tools
Down counter sink
Up counter sink
Standard Procedure: Need 5 Tools
5
Drill
Counter bore
4
1+3+4+5
Drill
3
=
4 in 1 counter bore
NEW
Spot drill
2
1
PCT Priority No. PCT/ CN2013/086393 AA Durability 2 1 • Accurate spot drill, no vibration. 300% • Center of bore and counter bore is synchronized. UP • Just need 3 seconds. YIH TROUN ENTERPRISE CO.,LTD 231
COUNTER BORE
Efficiency 300% UP
Patent No. 201310453057.2 201320772697.5
Variety of Machines Milling / Drilling / Radial drilling

Patent No.
M474588
4 IN 1 M473882 M473881 Video Features Cost Available in materials 300~500% M K P DOWN H S 230 YIH TROUN ENTERPRISE CO.,LTD