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DiamondSure Diamond Granite Ceramic Porcelain Cutting Tools: Premier Industrial Drill Bits Review

3

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Average

Revainrating 3.5 out of 5  
Rating 
3.3
🪚 Industrial Drill Bits, 🔪 Cutting Tools

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Description of DiamondSure Diamond Granite Ceramic Porcelain Cutting Tools: Premier Industrial Drill Bits

Bonded Diamond Grit: Electroplate bonded diamonds for optimum diamond life. Nickel Plated: Reduces bit friction and heat build-up and inhibits rust. Grooved Tip Edge: Provides maximum surface area & increases water "churn" for tip lubrication. Tip Lubrication Hole: Provides optimum tip lubrication by allowing water flow in and out of bit. Core Extraction Hole: Special holes in back of the "Bell" allow easy removal of cores or plugs.

Reviews

Global ratings 3
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Type of review

Revainrating 5 out of 5

Works best in twist drills

They work really well, keeping the RPMs low and the drill bit cool. I used a water spray bottle and just kept spraying while I drilled. I would recommend it to a friend.

Pros
  • Power Tool Parts & Accessories
Cons
  • Quick Start Guide

Revainrating 1 out of 5

DO NOT BUY! The useful life is 1/2 hole.

DO NOT BUY! I installed a new Toto toilet in our master bathroom and had to drill 6 holes in the porcelain stoneware. I started with the Milwaukee Diamond Plus hole saw. After 5 holes I thought maybe it's worn out. So I switched the Diamond Sure drill to a diamond drill. This was enough for exactly 1/2 the hole until all the diamond dust came off the tip. half hole! I filled the holes with a Milwaukee drill bit. Jeff Bezos should be ashamed to keep this piece of junk.

Pros
  • Drill Parts and Accessories
Cons
  • So far so good