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#4 1/8" Dia, 118 Degree, 2 Flute, Countersink - 57020

SERIES: 301

General Application Drill and Countersink Combo

#4 1/8" Dia, 118 Degree, 2 Flute, 5/16" Body Dia, Ti-NAMITE-A (AlTiN) Coated, Series 301, General Application Drill and Countersink Combo - 57020


SKU / EDP57020
CategorySolid Round Tools > Holemaking > General Application Countersinks
Min Order Qty1
Series301
Series DescriptionGeneral Application Drill and Countersink Combo
High PerformanceNo
Unit (inch/mm)inch
Number of Flutes2
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
Size#4
Cutting Diameter (DC) (Decimal Inch)0.1250
Cutting Diameter (DC) (Fractional Inch)1/8
Cutting Diameter (DC) (mm)3.18
Cutting Diameter (DC) (Wire)#4
Body Diameter (DCON) (Decimal Inch)0.3125
Body Diameter (DCON) (Fractional Inch)5/16
Body Diameter (DCON) (mm)7.94
Flute Length (LCF) (Decimal Inch)0.7500
Flute Length (LCF) (Fractional Inch)3/4
Flute Length (LCF) (mm)19.05
Overall Length (OAL) (Decimal Inch)2.1200
Overall Length (OAL) (mm)53.85
Shank Length (LS) (Decimal Inch)0.6200
Shank Length (LS) (mm)15.75
Point Angle (Degree)118
Shank TypeStraight
Weldon FlatNo
Coolant OptionExternal Coolant
Coating DescriptionAlTiN (Ti-NAMITE-A)
Additional GeometryRight Hand Cut Direction (RHC)
Helix AngleRight Spiral
Variable HelixNo
Center CuttingNo
Chip BreakerNo
Chamfer Angle (a) (Degree)30
Primary Chamfer Angle (a) (Degree)30
Number of Margins2

Alternative Products SKU / EDP to 57020
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#4 1/8" Dia, 118 Degree, 2 Flute, Countersink - 57010

SGS #4 1/8" Dia, 118 Degree, 2 Flute, 5/16" Body Dia, Uncoated, Series 301, General Application Drill and Countersink Combo - 57010

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