30 pcs SET 10 pcs. 1mm 10pcs. 2mm 10 pcs. 3mm Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary 30pcs. 1 mm 2 mm 3mm (1/8″)

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3 Responses to 30 pcs SET 10 pcs. 1mm 10pcs. 2mm 10 pcs. 3mm Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary 30pcs. 1 mm 2 mm 3mm (1/8″)

  1. Stewy says:
    8 of 8 people found the following review helpful
    5.0 out of 5 stars
    Nice for the price, February 4, 2014
    By 
    Stewy

    Verified Purchase(What’s this?)
    This review is from: 30 pcs SET 10 pcs. 1mm 10pcs. 2mm 10 pcs. 3mm Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary 30pcs. 1 mm 2 mm 3mm (1/8″)
    I used these to drill some polished agates (1/4 inch thick) to make some wind chimes. I had to drill 21 holes total. I started with the 1mm bit and it did fine but would only drill two holes before the diamond dust wore off the tip of the bit. So I started using the 2mm bit and was able to get around 3-5 holes, it was depending on where I drilled the rock, the veins of the rock seemed to eat up the bits more. So to drill the 21 holes I used 5 bits. With the same bit made by Dremel you get about 12-16 holes but 1 bit cost 15+ dollars. So for the money there a good buy, because you get so many bits, but there not of Dremel quality.

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  2. jfisherbear says:
    7 of 7 people found the following review helpful
    4.0 out of 5 stars
    drills ok though existing smaller holes, February 15, 2014
    By 

    Verified Purchase(What’s this?)
    This review is from: 30 pcs SET 10 pcs. 1mm 10pcs. 2mm 10 pcs. 3mm Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary 30pcs. 1 mm 2 mm 3mm (1/8″)
    These do fine for drilling out existing small holes in stone but walk to much when starting holes. I used a small round diamond burr to start holes and then finished with these bits.

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  3. Shumla says:
    6 of 6 people found the following review helpful
    3.0 out of 5 stars
    Work well, February 9, 2014
    By 
    Shumla

    Verified Purchase(What’s this?)
    This review is from: 30 pcs SET 10 pcs. 1mm 10pcs. 2mm 10 pcs. 3mm Diamond Drill Bit Cylindrical Burr Kit Jewelry Beach Sea Glass Shells Gemstones Lapidary 30pcs. 1 mm 2 mm 3mm (1/8″)
    They seem to work well and hold up as they should for what you pay. I would buy them again

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