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HSS GROUND FLUTE JOBBER DRILL SET NO1-NO60 GAUGE 114PC product photo
2053410
SHR0258920K
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Short DescriptionHSS GROUND FLUTE JOBBER DRILL SET NO1-NO60 GAUGE 114PC
Long DescriptionSherwood Jobber drills are general-purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite. With precision-ground flutes and black finish (W-finish), this is the most common surface finish and is the result of a steam tempering operation in which steam is passed over the product during a controlled tempering cycle, producing a black oxide layer. Black tools are generally recommended for ferrous applications where the oxide layer aids chip flow, helps to dissipate heat by retaining some coolant on the tool surface and also helps to prevent the tool from staining.
Brand/Manufacturer NameSHERWOOD
Manufacturing Part NumberSHR0258920K
Technical Attributes