Baolian Six-Piece Serrated Pagoda Drill Bit Hole Opener, Metal Step Drill Set, Alloy Stainless Steel Universal Hole Puncher

Chamfering function for hole opening

Easy drilling, expanding, and deburring

Suitable for various materials such as solid wood, particleboard, plastic pipes, thin iron plates, aluminum plates, aluminum alloy, and tinplate

Recommended for use with bench drills, hand drills, lithium drills, etc.

Suitable for drilling stainless steel with a thickness of 1mm or more using hand drills with a power of 800W or above; for thicknesses of 2-3mm, bench drills are recommended

All drill bits should be operated at speeds below 500 rpm with continuous water cooling to prevent overheating

Real-life demonstrations showcasing the comprehensive specifications and wide range of applications