Hole Saws
can a hole be drilled through a large gemstone without cracking or shattering it?
if done with lubrication/coolant & a Diamond Bit/Hole Saw (im now sure which) could a hole be drilled in a gemstone like a ruby, emerald, or topaz without cracking or shattering it?
Yes. In fact drilling the hole is not even too hard to do with the right Power Tools. You an even drill through a diamond with a diamond Drill Bit, but you may have to replace the bit frequently. Rock drills use a fine oil or water with a constant wash to remove the cuttings. (Water is a very good lubricant for many applications.)
But the resulting life saver-like gem will be extremely vulnerable and easy to break. Having a hard scratch resistant surface does not mean the gem also has high structural strength and resistance to fracture or cleavage. Diamonds used to be worked by breaking them with tiny chisels. Your expensive live savers will be pretty, unusual but easily broken It's worth doing, I think. but be careful how you wear and display it.
 NEW DRILL BIT SET 16 piece HOLE SAW KIT 3 4 to 5  US $.99
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 Lenox Hole Saw Kit 30820 1200L US $40.00
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 9 pc Plumbers Bi Metal Hole Saw Kit 3 4 2 1 4 Thin Sheet Alloy Metal Wood US $32.99
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 RIDGID 6 Inch Bi Metal Hole Saw 7033 US $14.99
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 9Pc PRO Plumbers Bi Metal Hole Saw Kit US $28.95
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 11 Pc Hole Saw Kit Carbon Steel Wood Metal Masonry Tool W Case Door Holes US $14.15
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 12 PC LOT MILWAUKEE BIG HAWG HOLE CUTTER SAWS ARBOR US $102.50
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 Ivy Classic 1 3 8 Carbide Grit Hole Saw Kit US $4.99
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 Ivy Classic 1 3 4 Carbide Grit Hole Saw US $1.99
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 WESTWARD HOLE SAW 43 4 US $6.99
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 11 PC 3 4 TO 2 1 2 HOLE SAW KIT TOOLS US $10.99
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 LENOX 6 HOLE SAW ARBOR 1779670 US $19.99
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 2 HOLESAW ARBORS W 1 4 PILOT BIT HOLESAWS SMALL LARGE US $8.99
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 NEW LARGE HOLESAW ARBOR W 1 4 PILOT BIT HOLESAWS US $5.99
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 NEW SMALL HOLESAW ARBOR W 1 4 PILOT BIT HOLESAWS US $2.99
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 New Made in usa Hole saw bits lot of 5 US $9.99
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 Lenox hole saw 2 1 2 3 1 2 new wood cut speed slot USA US $15.00
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 3 Assorted Size Hole Saws w Arbor NIB US $14.95
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 16 pc Hole Saw tool 2 mandrils plastic wood thin metal US $12.82
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 hole saw wood drill bits US $1.00
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 Lenox Hole Saw Deluxe Kit US $19.99
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 Kobalt 41 2 inch Bi metal hole Saws US $20.00
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 Dewalt 8 pc Bi Metal Holesaw Kit NIB D180001 US $75.00
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 Milwaukee 4 in Bi Metal Hole Saw US $10.00
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 4 pcs Diamond Tipped Drill Bits Glass Hole Saw Bottle Light Tool 3 4 inch SET US $26.99
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 3 HITACHI CARBIDE GRIT HOLE SAW 1 1 4 2 2 1 2 NEW US $15.99
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 MAC 7 PIECE HOLE SAW SET HS9595 US $12.99
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Kreg K4MS Jig Master System
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DescriptionFeaturing a removable drill guide for use with benchtop and portable bases, the Kreg Jig Master System is the ultimate pocket-hole jig, and a great choice for any woodworking enthusiast. For precision and accuracy, it offers 1/8-inch incremental settings for materials 1/2-inch to 1-1/2-inch thick and patented three drill guide fixed spacing on the drill guide... Features
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Dremel 220-01 Rotary Tool Work Station
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DescriptionIdeal for crafts, hobbies, metal working, and a variety of around-the-house jobs, the 220-01 Dremel Work Station transforms any Dremel Rotary tool into a tabletop Drill Press. It can be bolted on to your workbench, and it has the versatility to operate as a Tool Holder, Flex Shaft holder, and drill press... Features
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SE 11 Function Credit Card Size Survival Pocket Tool
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DescriptionThis credit card-size multi-function survival tool includes a can opener, knife edge, screwdriver, ruler, cap opener, 4-position wrench, butterfly screw wrench, Saw Blade, direction ancillary wrench, 2-position wrench, and a keychain hole... Features
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Safer Brand 7270 Clothes Moth Alert Trap
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DescriptionSafer Brand Clothes Moth Alert TrapModel #: 07270Best Used For:Killing moths. Don't let moths dine on your best dinner jacket! This trap alerts you to moth problems while it attracts and traps adult moths. Features
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Bonsai Keyhole Saw
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DescriptionBonsai Key Hole Saw The long narrow blade on this Novice grade saw makes it perfect for reaching into small and dense stock. Conventionally set teeth cut on the pull stroke (preventing bending). With hardwood handle and attractive vinyl pouch... Features
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Belkin Front-Access In-Desk USB Hub 3-Inch (F5U201-KIT)
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Description4 x 4-pin USB 2.0 - USB - External Features
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Complete Car Reversing Kit - Rearview Camera + Parking Sensor + Rearview Mirror
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DescriptionComplete Car Reversing Kit - Rearview Camera + Parking Sensor + Rearview Mirror. Perfect for backing into tight spots or moving in reverse when visibility is limited - it's like having a few extra eyes! Why is this Car Rearview Mirror + Parking Sensor + Rearview Camera so awesome? This well-designed system comes complete with a high quality 3... Features
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Spal 35100037 PS4 Complete 4 Back up Sensor Kit with Camera & Monitor
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Description4 Sensor Back Up Parking System With Audio, 3.5' TFT LCD Monitor, 2.0 Low Lux Mount Bumber 115 Degree Camera 420 TV Lines, 26 Feet Wire Harness, Complete With 2 Hole Saws. Features
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