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1/4" Dia, 0.0950" Tip, 90 Degree, 3 Flute, Countersink - 74231


SERIES: 603
General Application Countersink
1/4" Dia, 0.0950" Tip, 90 Degree, 3 Flute, 1/4" Shank Dia, Uncoated, Series 603, General Application Countersink - 74231
U.S. stocked items ship next day
Total Available U.S. :105
Series DescriptionGeneral Application Countersink
High PerformanceNo
Unit (inch/mm)inch
Number of Flutes3
Primary Workpiece Material(P) Steel|(M) Stainless Steel|(K) Cast Iron|(N) Non-Ferrous Materials|(S) High Temp Alloy
Secondary Workpiece Material(H) Hardened Materials
Size1/4"
Tip Diameter (DC1) (Decimal Inch)0.0950
Tip Diameter (DC1) (mm)2.41
Cutting Diameter (DC2) (Decimal Inch)0.2500
Cutting Diameter (DC2) (mm)6.35
Shank Diameter (DCON) (Decimal Inch)0.2500
Shank Diameter (DCON) (mm)6.35
Flute Length (LCF) (Decimal Inch)0.3750
Flute Length (LCF) (mm)9.53
Overall Length (OAL) (Decimal Inch)2.0000
Overall Length (OAL) (mm)50.80
Shank Length (LS) (Decimal Inch)1.2500
Point Angle (Degree)90
Cutting Diameter (DC) Tolerance (Decimal Inch)+.00000 / -.00050
Cutting Diameter (DC) Tolerance (mm)+.0000 / -.0127
Shank Diameter (DCON) Tolerance (ISO)h6
Coolant OptionExternal Coolant
Additional GeometryRight Hand Cut Direction (RHC)
Helix AngleRight Spiral
Helix Angle (Degree)0
Variable HelixNo
Chip BreakerNo
US Stock105
Cutting Diameter (DC2) (Fractional Inch)1/4
Flute Length (LCF) (Fractional Inch)3/8
Overall Length (OAL) (Fractional Inch)2
Shank Length (LS) (Fractional Inch)1-1/4
Rake AngleNeutral
Number of Margins1
Shank TypeStraight
Shipping Weight0.0480
Center CuttingNo
Series603
Weldon FlatNo
Shank Length (LS) (mm)31.75
Shank Diameter (DCON) (Fractional Inch)1/4
Centerline (α) Angle (Degree)45.0
Coating DescriptionBright/Uncoated
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