Flat Bottom Counterbores with Slow Spiral, HSS M2 Fully Ground Drill Bits

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Counterbore D In.Counterbore D mmCountersink Dia.Drill Bit Dia. InchReplacement DrillShank In.Shank mmWood Screw SizeBrandTool NoOur PriceWish ListReady To Buy
0.39410.0mm5/324.0mm630-2025/16"8.0mm6-8Timberline630-200Timberline 630-200 Flat Bottom Carbide Tipped Counterbore 10mm D x 5/32 Drill D x 5/16 SHK for Wood Screw Size #6-8More info$37.10$25.97
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0.39410.0mm11/644.4mm630-3025/16"8.0mm8-9Timberline630-300Timberline 630-300 Flat Bottom Carbide Tipped Counterbore 10mm D x 11/64 Drill D x 5/16 SHK for Wood Screw Size #8-9More info$40.40$28.28
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3/89.5mm1/83.2mm630-1025/16"8.0mm4-6Timberline630-100Timberline 630-100 Flat Bottom Carbide Tipped Counterbore 3/8 D x 1/8 Drill D x 5/16 SHK for Wood Screw Size #4 - 6More info$38.50$26.95
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1/212.7mm3/164.8mm630-4023/8"9.5mm10Timberline630-400Timberline 630-400 Flat Bottom Carbide Tipped Counterbore 1/2 Dx 3/16 Drill D x 3/8 SHK for Wood Screw Size #10More info$40.40$28.28
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1/212.7mm7/325.6mm630-5023/8"9.5mm12Timberline630-500Timberline 630-500 Flat Bottom Carbide Tipped Counterbore 1/2 D x 7/32 Drill D x 3/8 SHK for Wood Screw Size #12More info$41.30$28.91
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1/212.7mm15/646.0mm630-6023/8"9.5mm14Timberline630-600Timberline 630-600 Flat Bottom Carbide Tipped Counterbore 1/2 D x 15/64 Drill D x 3/8 SHK for Wood Screw Size #14More info$41.30$28.91
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1/212.7mm1/46.3mm630-7023/8"9.5mm16Timberline630-700Timberline 630-700 Flat Bottom Carbide Tipped Counterbore 1/2 D x 1/4 Drill D x 3/8 SHK for Wood Screw Size #16More info$41.55$29.09
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  • WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood.