ข้อมูลจําเพาะ

• For rotary drills only
• Straight Shank Type
• Ideal for drilling round hole construction ventilation fans, racks, pipe hoods, ducts, etc.
• Multi-core system with two integrated cores
• It's easy to get rid of scum, and all you have to do is pull out the center drill!
• Ideal for drilling exterior siding walls, wood planks, plywood, veneer, plasterboard, exterior wall materials of 2 x 4 houses and prefabricated houses, tin, mortar walls, etc.
• Replacing the core head easily changes the drilling size
• Drilling in wood, which used to take a long time, can be reduced to 1/10 of the conventional work hour.
• Size: phi 110 mm, phi 160 mm
• Fair rotation speed: 700 -1100 min -1
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