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| 40mm | CN¥ 0.0 |
Danyang Weifang Hardware Tools Co., Ltd. 14yr.
Contacts:Chao Guoxing Chat
Mobile:86-15868978878
E-mail:dyweifang@163.com
This product should be used with caution, with a speed of about 800-1000 revolutions per minute. It is essential to continuously add water for cooling (not too much, but to continuously add water). It is strictly prohibited to drill without water! High-temperature friction can cause severe wear, affecting the use effect!
1. Start by grinding a shallow groove on the tile or glass (other materials) surface at an angle.
After the drill bit is slightly aligned, continue to grind out deeper crescent-shaped grooves.
3. Align the drill bit, continue at the original speed until the job is completed (be sure to add water while drilling)

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