This box drill 82 mm, SDS Plus is also called a crown drill set or hole saw and is usually used for drilling, for example, a built-in box (electrical installations).
Size: 82mm With 10 widia teeth Includes center drill
crown drill; also called box drill. This is a drill with a tubular, welded or screwed-on head, with ring-shaped incisors. This is used for making large diameter conduits and for holes for welding, central and mounting boxes for the electrical installation.
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