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Series_601_Drawing.jpg
Series_601_UN.jpg

1/4" Dia, 60 Degree, 1 Flute, Countersink - 74007

SERIES: 601

General Application Countersink

1/4" Dia, 60 Degree, 1 Flute, 1/4" Shank Dia, Uncoated, Series 601, General Application Countersink - 74007


SKU / EDP74007
CategorySolid Round Tools > Holemaking > General Application Countersinks
Min Order Qty1
Series601
Series DescriptionGeneral Application Countersink
High PerformanceNo
Unit (inch/mm)inch
Number of Flutes1
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"
Cutting Diameter (DC) (Decimal Inch)0.2500
Cutting Diameter (DC) (Fractional Inch)1/4
Cutting Diameter (DC) (mm)6.35
Shank Diameter (DCON) (Decimal Inch)0.2500
Shank Diameter (DCON) (Fractional Inch)1/4
Shank Diameter (DCON) (mm)6.35
Flute Length (LCF) (Decimal Inch)0.3750
Flute Length (LCF) (Fractional Inch)3/8
Flute Length (LCF) (mm)9.53
Overall Length (OAL) (Decimal Inch)2.0000
Overall Length (OAL) (Fractional Inch)2
Overall Length (OAL) (mm)50.80
Shank Length (LS) (Decimal Inch)1.2500
Shank Length (LS) (Fractional Inch)1-1/4
Shank Length (LS) (mm)31.75
Point Angle (Degree)60
Cutting Diameter (DC) Tolerance (Decimal Inch)+.00000 / -.00050
Cutting Diameter (DC) Tolerance (mm)+.0000 / -.0127
Shank Diameter (DCON) Tolerance (ISO)h6
Shank TypeStraight
Weldon FlatNo
Coolant OptionExternal Coolant
Coating DescriptionBright/Uncoated
Additional GeometryRight Hand Cut Direction (RHC)
Rake AngleNeutral
Helix AngleRight Spiral
Variable HelixNo
Center CuttingNo
Chip BreakerNo
Centerline (α) Angle (Degree)30.0
Number of Margins1

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