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3-1/2" Diamond Plated Core Drill Bit (89 mm/3.51") | 
 enlarge | Brand: TechnologyLK
Category: Home Improvement
Buy New: $85.90
Media: Misc.
MPN: DCDB89
ASIN: B001G0R0XS
Availability: Usually ships in 4-5 business days
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| Editorial Reviews:
Product Description
For drilling instructions and tips, please, click here . Hole Diameter: 3-1/2 in (89 mm) Core Diameter: 3-3/8 in (86 mm) Shank Diameter: 3/8 in (10 mm) Overall Length: 2-1/2 in (63.5 mm) Drilling Depth: 1-3/8 in (35 mm) Heavier and deeper layer of diamond coating and notches in the core allow to drill up to 200 holes in " thick glass. Diamond drills must always be used at a proper speed with suitable diamond coolant applied by spraying or submerging the contact area. Use of plain water will drastically reduce life of your drill. Diamond Tool Coolant is a Must for All Diamond Drilling. Recommended to use with our CRL Diamond Tool CoolantA A to prevent overheating and prolong tool life. Use ourA Retaining Drilling Ring A to keep the drilling area constantly submerged under the coolant. To achieve maximum life for your diamond drill you may also need ourA CRL Sharpening Stone . For drilling instructions and tips, please, click here .. Buy from TechnologyLK.
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