Description:
The shank extension rod adopts a round shank, two pits, and two slots design, which can be linked to other accessories for small impact drills. Hole opener: core component, used for drilling. Adding water can make the opener more durable. Cross center drill: used Positioning, when the initial slotting is carried out, the wall blood punching and positioning are carried out first, and then the deep drilling is carried out. …
Specification:
Name: Concrete Hole Opener
Material: Carbide
Size: total length 160mm*width 80mm/6.29*3.14inch
Product List:
1*Handle connecting rod
1*Hole opener
1*fixing screw
1*Cross Center Drill
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