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Diamond Back Blades
Diamond Back Dry Drilling Bits
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Diamond Back Cobra Dry Diamond Blades

 

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Features and Benefits
  • No water needed - eliminate the mess associated with drilling wet. No water to find, contain, or clean up.
     
  • No expensive core rigs - No need for high priced core drilling machines. The Cobra is used on 1/2" drills, and hammer drills capable of running at 2500 rpm.
     
  • No long setup time - Plug in, you drill and go to work. Save all of the hassle normally associated with drilling. Between setup, drilling, and cleanup, a normal job can take as long as 20 to 40 minutes per hole.
  • Interchangeable center pin and shank - The Cobra uses the same drilling accessories between all sizes for further convenience.
     
  • Drills reinforced concrete - The cobra is capable of drilling up to 6000 PSI cured concrete with up to 1" rebar.
     
  • Deeper Drilling depth - Almost twice the depth of a carbide core drill, the Cobra will give you 6" or 10" depending on bit length.
     
  • Use on 1/2" hammer drill.
  • Drill where no standard dry diamond or carbide core bit will - Conventional dry diamond core bits will drill brick and block, not reinforced concrete. Carbide core bits will drill concrete without steel reinforcement and usually limit you to about 3 1/2" of drilling depth


6 inch drilling depth COBRA dry diamond core bits.

6 inch Drilling Depth

6 inch drilling depth COBRA dry diamond core bits.

Compatible Drills:

Milwaulkee - 1/2" hammer - 5370-6, 5374-1, 5375-1, 5376-1, 5377-6, 5378-20

Metabo
1/2" drill - 703
1/2" hammer drill - 655, 751, SBE13R, SBE600RL

Bosch
1/2" drill - 1169VSR
1/2" hammer drill - 1141VSR, 1194VSR

Dewalt - 1/2" hammer drill - DW505, DW515

B&D D - 1/2" hammer drill - DR700

Porter Cable - 1/2" hammer drill - 7751

Makita - 1/2" hammer drill - NHP 1310

Hilti
1/2" hammer drill - TM7SII
1" SDS rotary hammer - TE18ME

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6 in. Drilling Depth
Model Description
1CBD 1" (32mm) Cobra Dry Bit Set
1CDBBO 1" (32mm) Cobra Dry Bit Only
112CDB 1 1/2" (40mm) Cobra Dry Bit Set
112CDBBO 1 1/2" (40mm) Cobra Dry Bit Only
2CDB 2" (52mm) Cobra Dry Bit Set
2CDBBO 2" (52mm) Cobra Dry Bit Only
212CDB 2 1/2" (65mm) Cobra Dry Bit Set
212CDBBO 2 1/2" (65mm) Cobra Dry Bit Only
3CDB 3" (80mm) Cobra Dry Bit Set
3CDBBO 3" (80mm) Cobra Dry Bit Only
4CDB 4" (100mm) Cobra Dry Bit Set
4CDBBO 4" (100mm) Cobra Dry Bit Only
434CDB 4 3/4" (120mm) Cobra Dry Bit Set
CCP Replacement center pin (6" length)
CHS Replacement Hex shank
CHS12 12" extension (with shank)

10 inch Drilling Depth
10 inch drilling depth COBRA dry diamond core bits.

Compatible Drills:

Metabo - 1/2" hammer drill - 1010HD

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10 in. Drilling Depth
Model Description
1CDBL 1" (32mm) x 10" Cobra Dry Bit Set
1CDBLBO 1" (32mm) x 10" Cobra Dry Bit Only
112CDBL 1 1/2" (40mm) x 10" Cobra Dry Bit Set
112CDBLBO 1 1/2" (40mm) x 10" Cobra Dry Bit Only
2CDBL 2" (52mm) x 10" Cobra Dry Bit Set
2CDBLBO 2" (52mm) x 10" Cobra Dry Bit Only
212CDBL 2 1/2" (65mm) x 10" Cobra Dry Bit Set
212CDBLBO 2 1/2" (65mm) x 10" Cobra Dry Bit Only
3CDBL 3" (80mm) x 10" Cobra Dry Bit Set
3CDBLBO 3" (80mm) x 10" Cobra Dry Bit Only
4CDBL 4" (100mm) x 10" Cobra Dry Bit Set
4CDBLBO 4" (100mm) x 10" Cobra Dry Bit Only
434CDBL 4 3/4" (120mm) x 10" Cobra Dry Bit Set
5CDBLBO 5" (130mm) x 10" Cobra Dry Bit Only
CCPL Replacement center pin (10" length)

Accessories for COBRA dry diamond core bits.

Accessories
Model Description
CHS Replacement Hex shank (all)
1RPS 1" Rubber Pin Support
112RPS 1 1/2" Rubber Pin Support
2RPS 2" Rubber Pin Support
212RPS 2 1/2" Rubber Pin Support
3RPS 3" Rubber Pin Support
4RPS 4" Rubber Pin Support
434RPS 4 3/4" Rubber Pin Support