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core drill jingdong is a domestic professional core drill model online shopping mall. this channel provides the core of the core drill type model, which provides a full range of price reference for you to purchase the core drill model specification, providing pleasure online purchase . best specifications 3, standard specifications d diameter 03 05 1 15 2 25 3 32 35 4 45 55 6 65 l1 total length 19 19 34 40 49 57 61.
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core drill bit diameter 1 regularly check the part of the part of the concrete drilling core, if there is loose movement, it should be adjusted in time, and the lithium-based grease should be added to the two threads. of course, it is still shanghai. core drill bit size, core drill bit specification, drill size and drilling diameter, 20200 aqueous drill drill bit price list, common drill bit size, core drill bit diameter, diamond finishing drill bit specification, linol bit, core drill bit 83.