444

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469

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358

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319

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508

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472

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433

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233

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377

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390

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488

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314

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490

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311

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236

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361

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267

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429

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304

• 8 12"IADC 346 117 217 Steel Tooth Tricone Bit, Roller Cone Bit

265

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436

• 1913 PDC Rock Cutter for Oil & Gas Well Drilling Bits - PDC Buttons

510

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495

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229

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245

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363

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302

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490

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426

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427

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311

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262

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372

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231

• 22mm Cutting Edge Titanium & Nitride Coated Reduced Shank Twist Drill Bit for Stainless Steel

460

• 1 1/4 Unc Diamond Core Drill Bit High Quality Assembly Concrete Wet Drilling Bit