Diamond Bit
 |
 Diamond Drill Bit 1 piece Tile Glass Marble Granite $4.99 Time Remaining: 11d 18h 31m Buy It Now for only: $4.99 |
 3 pieces of 17mm Diamond coated drills drill bit bits hole saw core tile granite $5.99 Time Remaining: 4d 12h 7m Buy It Now for only: $5.99 |
 Wera 05057690001 BC Impaktor Diamond 30 Bit Check Set $130.91 Time Remaining: 27d 23h 58m Buy It Now for only: $130.91 |
 Silverline 123465 10 Pack No 0 Phillips Diamond Bits $15.51 Time Remaining: 5d 19h 1m Buy It Now for only: $15.51 |
 1 2 3 4 DIAMOND DRILL BIT GRANITE CERAMIC TILE GLASS $9.73 Time Remaining: 12d 20h 40m Buy It Now for only: $9.73 |
 Silverline 868538 127 x 150 mm Diamond Core Drill Bit $72.94 Time Remaining: 27d 20h 21m Buy It Now for only: $72.94 |
 20mm 3 4 Diamond RADIUS profile brazed router bit bullnose $68.99 Time Remaining: 6d 16h Buy It Now for only: $68.99 |
 Silverline 762171 78 x 150 mm Diamond Core Drill Bit $42.46 Time Remaining: 7d 21h 38m Buy It Now for only: $42.46 |
 Silverline 675057 117 x 150 mm Diamond Core Drill Bit $57.43 Time Remaining: 16h 54m Buy It Now for only: $57.43 |
 1 9 16 Diamond coated drill bit glass marble TILE $13.05 Time Remaining: 26d 22h 48m Buy It Now for only: $13.05 |
 Silverline 123546 10 Pack 4 mm Slotted Diamond Bits $19.29 Time Remaining: 5d 19h 1m Buy It Now for only: $19.29 |
 Draper 40928 12 x 225mm TCT Tapered Guide Drill for Diamond Core Bits $10.37 Time Remaining: 27d 22h 47m Buy It Now for only: $10.37 |
 Silverline 123654 10 Pack 3 mm Slotted Diamond Bits $19.11 Time Remaining: 5d 19h 1m Buy It Now for only: $19.11 |
 Silverline 406549 152 x 150 mm Diamond Core Drill Bit $88.27 Time Remaining: 6d 6h 19m Buy It Now for only: $88.27 |
 40mm Diamond coated drill bit glass marble TILE $13.13 Time Remaining: 26d 22h 53m Buy It Now for only: $13.13 |
 Faithfull PH1 Diamond Coated Bits 5 Pieces $20.00 Time Remaining: 28d 1h 4m Buy It Now for only: $20.00 |
 Silverline 868880 8 x 80 mm Diamond Mini Core Drill Bits $22.11 Time Remaining: 6d 14h 35m Buy It Now for only: $22.11 |
 Silverline 124365 10 Pack No 0 PZD Diamond Bits $15.71 Time Remaining: 5d 19h 1m Buy It Now for only: $15.71 |
 Faithfull 6mm Diamond Drill Bit Double Ended $28.29 Time Remaining: 28d 16h 30m Buy It Now for only: $28.29 |
 Silverline 123556 10 Pack No 4 Phillips Diamond Bits $15.51 Time Remaining: 5d 19h 1m Buy It Now for only: $15.51 |
 Silverline 123446 10 Pack No 4 PZD Diamond Bits $15.60 Time Remaining: 5d 19h 1m Buy It Now for only: $15.60 |
 Faithfull PH2 Diamond Coated Bits 5 Pieces $20.00 Time Remaining: 28d 1h 4m Buy It Now for only: $20.00 |
 Faithfull 8mm Diamond Drill Bit Double Ended $27.17 Time Remaining: 28d 1h 4m Buy It Now for only: $27.17 |
 20mm 3 4 inch Diamond vacuum brazed RADIUS profile wheel router bit bullnose $69.00 Time Remaining: 4d 23h 27m Buy It Now for only: $69.00 |
 Faithfull PZ1 Diamond Coated Bits 5 Pieces $20.00 Time Remaining: 11d 18h 24m Buy It Now for only: $20.00 |
 Silverline 823530 10 Pack No 1 Phillips Diamond Bits $18.71 Time Remaining: 7d 21h 38m Buy It Now for only: $18.71 |
 Silverline 273204 10 Pack No 1 PZD Diamond Bits $19.37 Time Remaining: 7d 21h 43m Buy It Now for only: $19.37 |
 Silverline 380648 10 Pack 5 mm Slotted Diamond Bits $19.11 Time Remaining: 7d 21h 38m Buy It Now for only: $19.11 |
 Irwin 10507894 7mm Diamond Drill Bit $41.14 Time Remaining: 27d 22h 43m Buy It Now for only: $41.14 |
 Irwin 10507892 5mm Diamond Drill Bit $38.29 Time Remaining: 27d 22h 43m Buy It Now for only: $38.29 |
 Silverline 792086 10 Pack 6 mm Slotted Diamond Bits $17.57 Time Remaining: 7d 21h 38m Buy It Now for only: $17.57 |
 Silverline 447128 10 Pack No 3 PZD Diamond Bits $17.86 Time Remaining: 7d 21h 39m Buy It Now for only: $17.86 |
 Irwin 10507893 6mm Diamond Drill Bit $50.71 Time Remaining: 27d 21h 46m Buy It Now for only: $50.71 |
 Irwin 10507897 12mm Diamond Drill Bit $49.40 Time Remaining: 27d 22h 43m Buy It Now for only: $49.40 |
 Irwin 10507896 10mm Diamond Drill Bit $43.00 Time Remaining: 27d 22h 43m Buy It Now for only: $43.00 |
 Irwin 10507895 8mm Diamond Drill Bit $42.00 Time Remaining: 27d 22h 43m Buy It Now for only: $42.00 |
 BOSCH 2608550606 Diamond Drilling Bit 6 mm $50.57 Time Remaining: 28d 1h 47m Buy It Now for only: $50.57 |
 BOSCH 2608550608 Diamond Drilling Bit 8 mm $54.09 Time Remaining: 28d 1h 47m Buy It Now for only: $54.09 |
 Draper 43708 240mm Hexagonal Arbor for Diamond Core Bits $21.14 Time Remaining: 22d 14h 53m Buy It Now for only: $21.14 |
 Draper 40929 200 x 12 mm Guide Rod for Diamond Core Bits $18.23 Time Remaining: 7d 20h 43m Buy It Now for only: $18.23 |
 Diamond Taper Point Bit 7134 $19.73 Time Remaining: 11h 59m Buy It Now for only: $19.73 |
 Silverline 300338 38 x 150 mm Diamond Core Drill Bit $36.86 Time Remaining: 27d 20h 22m Buy It Now for only: $36.86 |
 Irwin 10507899 15mm Diamond Drill Bit $55.51 Time Remaining: 27d 22h 43m Buy It Now for only: $55.51 |
 Faithfull PZ2 Diamond Coated Bits 5 Pieces $20.00 Time Remaining: 8d 20m Buy It Now for only: $20.00 |
 Silverline 349752 10 Pack No 3 Phillips Diamond Bits $19.11 Time Remaining: 7d 21h 38m Buy It Now for only: $19.11 |
 Silverline 199873 10 Pack 7 mm Slotted Diamond Bits $18.97 Time Remaining: 7d 21h 39m Buy It Now for only: $18.97 |
 Silverline 749243 7 Piece Diamond Bit Bank $18.97 Time Remaining: 7d 21h 37m Buy It Now for only: $18.97 |
 Irwin 10507900 Diamond Drill Bit Set 4 Pieces $143.69 Time Remaining: 27d 22h 43m Buy It Now for only: $143.69 |
 Irwin 10507898 14mm Diamond Drill Bit $59.26 Time Remaining: 27d 21h 52m Buy It Now for only: $59.26 |
 Silverline 595746 10 Pack No 2 PZD Diamond Bits $19.54 Time Remaining: 7d 21h 43m Buy It Now for only: $19.54 |
 Silverline 186808 10 Pack No 2 Phillips Diamond Bits $19.43 Time Remaining: 7d 21h 43m Buy It Now for only: $19.43 |
 Draper 43711 52 x 150mm Diamond Core Bit $67.91 Time Remaining: 27d 22h 17m Buy It Now for only: $67.91 |
 Irwin 10507901 Diamond Drill Bit Set 4pc 15mm $162.51 Time Remaining: 27d 22h 43m Buy It Now for only: $162.51 |
 Silverline 675320 10 mm x 80 mm Diamond Mini Core Drill Bits $22.14 Time Remaining: 6d 14h 35m Buy It Now for only: $22.14 |
 Faithfull PZ3 Diamond Coated Bits 5 Pieces $21.69 Time Remaining: 8d 19m Buy It Now for only: $21.69 |
 Faithfull 5mm Diamond Drill Bit Double Ended $27.40 Time Remaining: 8d 19m Buy It Now for only: $27.40 |
 Silverline 457057 24 mm x 80 mm Diamond Core Drill Bit $27.14 Time Remaining: 6d 14h 34m Buy It Now for only: $27.14 |
 Boa 34005 5mm Quick Change Diamond Tip Drill Bit $32.43 Time Remaining: 11d 17h 14m Buy It Now for only: $32.43 |
 Draper 43706 200mm Extension Arbor for Diamond Core Bits $51.00 Time Remaining: 7d 19h 9m Buy It Now for only: $51.00 |
 Silverline 282395 65 x 150 mm Diamond Core Drill Bit $44.00 Time Remaining: 13d 16h 29m Buy It Now for only: $44.00 |
 Silverline 852348 52 x 150 mm Diamond Core Drill Bit $40.29 Time Remaining: 11d 17h 27m Buy It Now for only: $40.29 |
 Boa 340010 10mm Quick Change Diamond Tip Drill Bit $31.69 Time Remaining: 7d 18h 42m Buy It Now for only: $31.69 |
 Silverline 427544 48 x 150 mm Diamond Core Drill Bit $33.14 Time Remaining: 7d 21h 38m Buy It Now for only: $33.14 |
 Boa 340020 20mm Quick Change Diamond Tip Drill Bit $38.46 Time Remaining: 7d 18h 43m Buy It Now for only: $38.46 |
 Silverline 282415 42 x 150 mm Diamond Core Drill Bit $36.31 Time Remaining: 8d 15h 26m Buy It Now for only: $36.31 |
 BOSCH 2608550605 Diamond Drilling Bit 5 mm $44.86 Time Remaining: 2d 15h 13m Buy It Now for only: $44.86 |
 Draper 43709 28 x 300mm Diamond Core Bit $53.66 Time Remaining: 7d 19h 9m Buy It Now for only: $53.66 |
 Silverline 675082 32 x 150 mm Diamond Core Drill Bit $34.43 Time Remaining: 7d 21h 40m Buy It Now for only: $34.43 |
 Kamasa 55816 Off Line Driver with Titanium Diamond Bits 21 $87.40 Time Remaining: 8d 7h 33m Buy It Now for only: $87.40 |
 BOSCH 2608550609 Diamond Drilling Bit 10 mm $57.51 Time Remaining: 2d 15h 13m Buy It Now for only: $57.51 |
 Faithfull Diamond Dry Core Bit 40MM X 150MM $111.31 Time Remaining: 6d 17h 8m Buy It Now for only: $111.31 |
 Kamasa 55809 Bit Set Diamond Titanium Coated 33 Pieces $75.14 Time Remaining: 8d 16h 15m Buy It Now for only: $75.14 |
 Silverline 155487 107 x 150 mm Diamond Core Drill Bit $59.31 Time Remaining: 8d 15h 27m Buy It Now for only: $59.31 |
 BOSCH 2608550611 Diamond Drilling Bit 14 mm $58.57 Time Remaining: 6d 7h 4m Buy It Now for only: $58.57 |
 Draper 43710 38 x 150mm Diamond Core Bit $59.74 Time Remaining: 7d 19h 9m Buy It Now for only: $59.74 |
 Draper 43714 117 x 150mm Diamond Core Bit $115.29 Time Remaining: 5d 20h 5m Buy It Now for only: $115.29 |
 Draper 43713 107 x 150mm Diamond Core Bit $120.31 Time Remaining: 7d 19h 9m Buy It Now for only: $120.31 |
 Draper 43712 78 x 150mm Diamond Core Bit $83.66 Time Remaining: 7d 19h 9m Buy It Now for only: $83.66 |
 Draper 43715 127 x 150mm Diamond Core Bit $125.80 Time Remaining: 7d 19h 9m Buy It Now for only: $125.80 |
 KEIL 786151008 Drill Bit for Hardened Materials TSM HM Olatte and Diamond with A $151.17 Time Remaining: 6d 7h 39m Buy It Now for only: $151.17 |
 Faithfull Diamond Dry Core Bit 45MM X 150MM $139.54 Time Remaining: 6d 17h 8m Buy It Now for only: $139.54 |
 Faithfull Diamond Dry Core Bit 78MM X 150MM $142.57 Time Remaining: 6d 17h 9m Buy It Now for only: $142.57 |
 Faithfull Diamond Dry Core Bit 65MM X 150MM $140.00 Time Remaining: 6d 17h 9m Buy It Now for only: $140.00 |
 Faithfull Diamond Dry Core Bit 52MM X 150MM $120.69 Time Remaining: 6d 17h 9m Buy It Now for only: $120.69 |
 Faithfull Diamond Dry Core Bit 28MM X 300MM $100.91 Time Remaining: 6d 17h 9m Buy It Now for only: $100.91 |
 Faithfull DC107C Diamond Dry Core Bit 107 x 150mm 1 2 inch BSP Thread $134.89 Time Remaining: 7d 23h 2m Buy It Now for only: $134.89 |
 Faithfull DC78C Diamond Dry Core Bit 78 x 150mm 1 2 inch BSP Thread $111.80 Time Remaining: 7d 23h 2m Buy It Now for only: $111.80 |
 Faithfull DC117C Diamond Dry Core Bit 117 x 150mm 1 2in BSP Thread $142.80 Time Remaining: 7d 23h 2m Buy It Now for only: $142.80 |
 Faithfull DC65C Diamond Dry Core Bit 65 x 150mm 1 2 inch BSP Thread $92.17 Time Remaining: 7d 23h 2m Buy It Now for only: $92.17 |
 Faithfull DC52C Diamond Dry Core Bit 52 x 150mm 1 2 inch BSP Thread $98.83 Time Remaining: 7d 23h 2m Buy It Now for only: $98.83 |
 Faithfull DC38C Diamond Dry Core Bit 38 x 150mm 1 2 inch BSP Thread $90.43 Time Remaining: 7d 23h 2m Buy It Now for only: $90.43 |
 Faithfull Diamond Dry Core Bit 38MM X 150MM $105.49 Time Remaining: 8d 15m Buy It Now for only: $105.49 |
 Faithfull 105 x 150mm 1 2 inch BSP Thread Diamond Dry Core Bit $123.89 Time Remaining: 8d 1h 41m Buy It Now for only: $123.89 |
 Draper 43716 152 x 150mm Diamond Core Bit $155.47 Time Remaining: 5d 20h 4m Buy It Now for only: $155.47 |
 Faithfull DC152C Diamond Dry Core Bit 152 x 150mm 1 2 inch BSP Thread $170.20 Time Remaining: 6d 6h 34m Buy It Now for only: $170.20 |
 Faithfull Diamond Dry Core Bit 152MM X 150MM $239.72 Time Remaining: 6d 6h 55m Buy It Now for only: $239.72 |
 Faithfull 157mm x 150mm 1 2 inch BSP Thread Diamond Dry Core Bit $175.16 Time Remaining: 6d 6h 56m Buy It Now for only: $175.16 |
 Faithfull Diamond Dry Core Bit 127MM X 150MM $170.49 Time Remaining: 6d 17h 8m Buy It Now for only: $170.49 |
 Faithfull Diamond Dry Core Bit 117MM X 150MM $168.11 Time Remaining: 6d 17h 8m Buy It Now for only: $168.11 |
 Faithfull Diamond Dry Core Bit 107MM X 150MM $162.11 Time Remaining: 6d 17h 9m Buy It Now for only: $162.11 |
Diamond Bit
How Diamonds are Made
Diamonds are useful and beautiful stones that undergo a complicated process before being used in a variety of applications, most commonly known would that of the jewelry-making business.
While there are now laboratories that create synthetic diamonds in a span of a few days, it is the formation and production of natural diamonds that require very specific conditions.
Diamonds formed through natural circumstances are exposed to extremes in high pressure of about 45 to 60 kilobars and to comparatively low temperatures of about 900 to 1900 °C. These rough stones are mined or recovered through either pipe or alluvial mining.
Pipe mining refers to the extraction process found in volcanic pipes. In most locations, a pipe mine is composed of kimberlite, which is dug from the surface of pipes in rough opencast mining.
Once these are exhausted, the diamond miners start digging tunnels into the deeper parts of the pipes. The rocks recovered, which contain rough diamonds, are then moved to a screening plant where the rock bits are separated from the diamond bits.
It typically takes an average of 250 tons of pipes to produce a one-carat gem quality polished gem.
Allluvial mining, on the other hand, is located on riverbeds or ocean beaches. When diamonds were formed in pipes deep inside the earth millions of years ago, some of these separated and was carried out along the rivers and oceans.
In order to mine these diamonds, a wall is built to hold back the surf or water. Up to 25 meters of sand and rock can be bulldozed to reach the diamond-bearing level.
Once these are recovered or mined, the diamond-bearing earth is transported to the screening plants.
Of all the diamonds mined in the world each year, less than half are gem quality, which are used in jewelry making and display a high standard of excellence, usually with a clarity grading of flawless to near invisible inclusions.
The rest that are recovered are either near-gem quality or industrial quality diamonds. Near-gem quality diamonds can either be used to jewelry or industrial applications, depending on the actual stone.
As for industrial quality diamonds, these are usually of low quality or have a lot of blemishes and inclusions, and are usually used as drill bits and for cutting purposes.
All the diamonds recovered from mining will undergo a cutting and polishing process to obtain their final form, as we know it.
Although technology has played an important role in perfecting these techniques, cutting and polishing diamonds has its origins in India, where it was discovered by Indian lapidaries that a diamond can be made to sparkle and be smooth simply by grinding it against another diamond.
Nowadays, even with the use of machinery, diamond cutting and polishing can take anywhere from several hours to several months to complete. Some diamonds, especially gem-quality stones, are studied for months, even years, before the cutting and polishing process begins.
Each stone is different, and must be carefully studied and marked for cutting. That is why only experts commit to this process, as a diamond's ultimate price and value may plummet due to a poor cut.
A diamond can usually stand to lose half of its original weight after this final process.
About the Author
Paul Easton is the Marketing Director for Polished Diamonds. High Quality Diamond Rings at 1/2 retail Prices available at: => Polished Diamonds.co.nz - The Diamond Ring Specialist in New Zealand
Dia-Plus Diamond Core Drill Bit