Product information:

Usage scenario: High altitude ceiling drilling operation
Features: inconvenient to add water and drill holes
Speed: 800-1000 RPM
Summary: When using a drill bit at low speed, first lightly press the positioning of the drilling position, slowly accelerate the drilling speed of the electric drill to start drilling, and when drilling to 1/2 of the object, lift the electric drill and continue to drill deeper, which is beneficial for heat dissipation and chip removal, strengthens the durability of the cutting head, and can greatly improve the service life
Style: 4MM, 6+8+10+12mm 4PCS, 4+6+8+10+12mm 5PCS,3+4+5+6+8+10+12

Packing list:

Aluminum alloy drill bit * 1 set