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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Nitrate & Silicone Free
These tools are suitable for general purpose use
Very high adhesion on metallic surfaces avoiding noises and vibrations
Black Finish Jobber Drills (also called blue finish) achieve their distinctive colour by steam tempering
Cobalt Jobber Drill Set Imperial: 1/16" - 1/2" | 21 Pce 2-Tier Ryobi Towa Nitrate & Silicone FreeCobalt Jobber Drills have a Bronze Finish (gold oxide). This metallic brown coloured low temperature temper treatment is used on cobalt tools for identification purposes. Cobalt HSS drills are extremely hard and provide superior performance and increased tool life especially in stainless steel and high tensile steel. Cobalt Jobber Drills Imperial: 1 16" 1 2" 21 Piece Set
