4.5"/114mm Hole Saw with Heavy Duty Arbor,HSS Bi-Metal Holesaw Drill Bits for Wood,Plastic, Drywall, Thin Metal

Specification:Material: M42 high speed steel, HSS teethOpening diameter: 4.5"/114mmOpening depth: 1.5"/38mmApplications: drywall, plywood, acrylic, wood, plastic, thin metal, etc. (Note: not used in ceramics, glass, thick iron, cement and other hard materials)Applicable electric drill: 1/2" electric drillNote:It is not advisable to cut the incision too quickly when cutting, and the incision should be slowly advanced. If you use a larger diameter hole opener, the opening should be smoother and slower.When tightening the center shaft, you can use a hand or a hex wrench to twist in a clockwise direction.Package list:1× pipe hole opener1× heavy duty hexagonal center shaft1 x hex wrench2× drill bit

• ★ 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