4.5\ / 114mm Hole Saw with Heavy Duty Arbor, 4 1/2 Hole Saw, HSS Bi-Metal Hole Saw Drill Bits for Wood,Plastic, Drywall, Soft Metal
- ★ Material - M42 high speed steel and BI metal, with high wear resistance and high toughness, and higher hardness, increased service life..
- ★ Convenient and efficient - double metal strips and HSS teeth can be sharp and quick opening, reducing the opening time. Heavy duty hexagonal center shaft for use with any 1/2" electric drill, no restrictions..
- ★ Chip removal design - side holes around the hole opener are used to remove debris, ensuring smooth cleaning and fast cutting..
- ★ Wide range of applications - drilling on drywall, acrylic, plywood, wood, plastic, thin metal and on..
- ★ Size - cutting diameter is 4.5" / 114mm, opening depth is 1.5" / 38mm.