Diamond Core Drill Bit for wet drilling of concrete and rebar

Zenesis Technology presents their masonry core drill bits. The diamond core drill bits are used for wet drilling of concrete and rebar. The concrete core drill bit has an exclusive "pattern" technology for maximum performance!

Core Bits for faster drilling of cured concrete, with medium to heavy rebar

14" Barrell length

Made in Korea


Size Grade
2 x .155 x 1-1/4-7 ZENESIS
2 1/2 x .155 x 1-1/4-7 ZENESIS
3 x .155 x 1-1/4-7 ZENESIS
3 1/2 x .155 x 1-1/4-7 ZENESIS
4 x .155 x 1-1/4-7 ZENESIS
4 1/4 x .155 x 1-1/4-7 ZENESIS
4 1/2 x .155 x 1-1/4-7 ZENESIS
5 x .155 x 1-1/4-7 ZENESIS
6 x .155 x 1-1/4-7 ZENESIS
6 1/2 x .155 x 1-1/4-7 ZENESIS
7 x .165 x 1-1/4-7 ZENESIS
8 x .165 x 1-1/4-7 ZENESIS
10 x .187 x 1-1/4-7 ZENESIS
12 x .187 x 1-1/4-7 ZENESIS
14 x .187 x 1-1/4-7 ZENESIS

4.8
Rated 4.8 out of 5 stars
Based on 8 reviews
Total 5 star reviews: 6 Total 4 star reviews: 2 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
8 reviews
  • MP
    Mark P.
    Verified Buyer
    RTC Diamond Turbo Hole Saws
    Reviewing
    RTC Diamond Turbo Hole Saws
    I recommend this product
    Rated 5 out of 5 stars
    6 months ago
    Great bits

    These bits work very well, we drill a lot of stone and concrete so I am hoping for a long life out of these. Thank you

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