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| MK-Black |
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Supreme grade for concrete & asphalt |
| MK-Orange |
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Premium grade for concrete & asphalt |
| MK-Yellow |
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Standard grade for concrete & asphalt |
The MK-Yellow is our standard core bit, and is an excellent choice for all types of general wet drilling. The MK-Yellow delivers fast drilling and good footage.
The MK-Orange is a premium bit designed for wet drilling applications that include light to moderate steel reinforcement. The high diamond concentration ensures excellent footage and cutting speed.
The MK-Black is a supreme core bit engineered for exceptional footage and fast/aggressive drilling characteristics. Excellent performance in applications associated with moderate to high steel reinforcement. |
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| Diameter* |
Nut |
MK-Black |
MK-Orange |
MK-Yellow |
| 1/2" |
(13mm) |
5/8"-11 |
156373 |
• |
• |
| 5/8" |
(16mm) |
5/8"-11 |
157176 |
• |
• |
| 3/4" |
(19mm) |
5/8"-11 |
156374 |
• |
• |
| 7/8" |
(22mm) |
5/8"-11 |
156375 |
• |
• |
| 1" |
(25mm) |
5/8"-11 |
156376 |
156348 |
156320 |
| 1-1/8" |
(29mm) |
5/8"-11 |
157177 |
204011 |
104011 |
| 1-1/4" |
(32mm) |
5/8"-11 |
156377 |
156349 |
156321 |
| 1-3/8" |
(35mm) |
5/8"-11 |
156534 |
• |
156965 |
| 1-1/2" |
(38mm) |
5/8"-11 |
156378 |
156350 |
156322 |
| 1-5/8" |
(39mm) |
5/8"-11 |
157178 |
• |
• |
| 1-3/4" |
(44mm) |
5/8"-11 |
156379 |
156351 |
156323 |
| 2" |
(51mm) |
1-1/4"-7 |
156380 |
156352 |
156324 |
| 2-1/4" |
(57mm) |
1-1/4"-7 |
156381 |
156353 |
156325 |
| 2-1/2" |
(64mm) |
1-1/4"-7 |
156382 |
156354 |
156326 |
| 2-3/4" |
(70mm) |
1-1/4"-7 |
156383 |
156355 |
156327 |
| 3" |
(76mm) |
1-1/4"-7 |
156384 |
156356 |
156328 |
| 3-1/4" |
(83mm) |
1-1/4"-7 |
156385 |
156357 |
156329 |
| 3-1/2" |
(89mm) |
1-1/4"-7 |
156386 |
156358 |
156330 |
| 4" |
(102mm) |
1-1/4"-7 |
156387 |
156359 |
156331 |
| 4-1/4" |
(108mm) |
1-1/4"-7 |
156388 |
156360 |
156332 |
| 4-1/2" |
(114mm) |
1-1/4"-7 |
156389 |
156361 |
156333 |
| 5" |
(127mm) |
1-1/4"-7 |
156390 |
156362 |
156334 |
| 5-1/2 |
(140mm) |
1-1/4"-7 |
157628 |
157627 |
• |
| 6" |
(152mm) |
1-1/4"-7 |
156391 |
156363 |
156335 |
| 6-1/4" |
(159mm) |
1-1/4"-7 |
156392 |
156364 |
156336 |
| 6-1/2" |
(165mm) |
1-1/4"-7 |
156393 |
156365 |
156337 |
| 7" |
(178mm) |
1-1/4"-7 |
156394 |
156366 |
156338 |
| 8" |
(203mm) |
1-1/4"-7 |
156396 |
156368 |
156340 |
| 9" |
(229mm) |
1-1/4"-7 |
156397 |
156369 |
156341 |
| 10" |
(254mm) |
1-1/4"-7 |
156398 |
156370 |
156342 |
| 12" |
(305mm) |
1-1/4"-7 |
156399 |
156371 |
156343 |
| 14" |
(356mm) |
1-1/4"-7 |
156400 |
156372 |
156344 |
| Drilling Depth |
14" |
14" |
14" |
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| * Additional diameters and lengths available on request. |
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