CIRCLE Solid Carbide Tooling BORING / GROOVING / FACE GROOVING / PROFILING / THREADING

Markets and Applications Engineered to give outstanding performance in most machining applications. Exceptional machining versatility providing aboveindustry standards for rupture strength. Coated tooling enhances tool life and excels where surface finishes are required. Expect excellent machining performance in aluminum, steels, stainless steels, copper, brass, high-temperature alloys, thermoplastics, and composites. Key Product Features Tough, micro-grain substrate available in both coated and uncoated grades. Bore diameters as small as 0.015? . Helical Rake Boring Bars Full Radius Grooving...

Technical Data Workpiece Material and Recommended Speeds and Feeds CUTTING SPEED FEED RATE CUTTING SPEED (FEED PER MINUTE) V=f/min (INCH PER REVOLUTION) inch/r (FEED PER MINUTE) V=m/min FEED RATE (INCH PER REVOLUTION) mm/r Cast Irons (Soft) Cast Irons (Ductile) Cast Irons (Maleable) High-Temperature Alloys Nickel Alloys Steels (Medium Carbon) This chart is considered to be recommendation(s) for “safe starting conditions.” Speed/Feed rates may vary depending upon materials and machining conditions such as, but not limited to, tool overhang, tool size, and finished surface requirements. Recommended...

Coated and Uncoated Boring Bars Tolerances: 3 Minimum Bore Diameter (D min): +.000? –.005? Maximum Bore Depth (E): +.050? –.000? Shank Diameter: +.000? –.0005? Overall Length: +.020? Clearance Angles: +1 NOTE: Bars with Minimum Bore Diameters: .015? thru .045? ...have a 5 lead angle. catalog number right hand catalog number left hand See Back Cover for Custom Solutions! Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated...

Coated and Uncoated Boring Bars (cont.) Tolerances: 3 D Min Minimum Bore Diameter (D min): +.000? –.005? Maximum Bore Depth (E): +.050? –.000? Shank Diameter: +.000? –.0005? Overall Length: +.020? Clearance Angles: +1 catalog number right hand catalog number left hand See Back Cover for Custom Solutions! Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD...

Coated and Uncoated Boring Bars (cont.) Tolerances: 3 D Min Minimum Bore Diameter (D min): +.000? –.005? –.000? Maximum Bore Depth (E): +.050? Shank Diameter: +.000? –.0005? Overall Length: +.020? Clearance Angles: +1 catalog number right hand catalog number left hand See Back Cover for Custom Solutions! Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD...

Coated and Uncoated Boring Bars (cont.) Tolerances: 3 D Min Minimum Bore Diameter (D min): +.000? .005? – Maximum Bore Depth (E): +.050? .000? – Shank Diameter: +.000? .0005? – Overall Length: +.020? Clearance Angles: +1 catalog number right hand catalog number left hand Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated See Back Cover for Custom Solutions! Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD...

Coated and Uncoated Boring Bars (cont.) Tolerances: 3 D Min Minimum Bore Diameter (D min): +.000? –.005? Maximum Bore Depth (E): +.050? –.000? Shank Diameter: +.000? –.0005? Overall Length: +.020? Clearance Angles: +1 1/4?Shanks catalog number right hand catalog number left hand Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated...

Coated and Uncoated Boring Bars (cont.) Tolerances: 3 D Min Minimum Bore Diameter (D min): +.000? –.005? Maximum Bore Depth (E): +.050? –.000? Shank Diameter: +.000? –.0005? Overall Length: +.020? Clearance Angles: +1 catalog number right hand catalog number left hand Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD...

Coated and Uncoated Boring Bars (cont.) Tolerances: 3 D Min Minimum Bore Diameter (D min): +.000? –.005? Maximum Bore Depth (E): +.050? –.000? Shank Diameter: +.000? –.0005? Overall Length: +.020? Clearance Angles: +1 catalog number right hand catalog number left hand See Back Cover for Custom Solutions! Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD...

Coated and Uncoated Boring Bars (cont.) Tolerances: 3 D Min Minimum Bore Diameter (D min): +.000? .005? – Maximum Bore Depth (E): +.050? .000? – Shank Diameter: +.000? .0005? – Overall Length: +.020? Clearance Angles: +1 catalog number right hand catalog number left hand Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated See Back Cover for Custom Solutions! Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD Coated Uncoated PVD...