1. Scope of application
Use aluminum plate, plastic and wood plate within 4MM; Forced use beyond this range leads to drilling
The head is damaged, and the buyer should bear the loss. Please note~
2. Drill bit cooling
High temperature will be generated during operation, and water or coolant shall be added to cool the drill bit;
The main functions of the coolant include cleaning cuttings, preventing corrosion and extending the use of the drill bit
life.
The above tachometer is applicable to electric drill and bench drill. The larger the drill bit is, the lower the rotating speed is to avoid damage
Bad drill bit;
If the hole diameter to be drilled exceeds 14mm, it is recommended to use a bench drill;
Failure to use as required
The damage of the drill bit caused by use shall be borne by the buyer. Please note that~
Notes for users of lithium electric drill:
The 12V lithium electric drill button is not strong enough, so it is not recommended to use it. It is recommended to use 36V and 48V lithium electric drills
Notes for users of electric hand drill:
The larger the hole diameter, the lower the rotary speed of the electric drill, and the recommended rotary speed is within 1000RPM