4PRO - Atsarginiai trapeciniai ašmenys (18 mm)

These 18 mm square bits are designed for complex drilling tasks and fit most square shank drills. They are made of SK2 steel, coated for better penetration, and feature black thin oil for easier insertion and reduced friction.

• The description claims that the bits help perform smooth coatings without material expansion.
• The description claims that the bit design helps reduce chipping risk during heavy loads.