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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 / EDP	57020
Category	Solid Round Tools > Holemaking > General Application Countersinks
Min Order Qty	1
Series	301
Series Description	General Application Drill and Countersink Combo
High Performance	No
Unit (inch/mm)	inch
Number of Flutes	2
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 Type	Straight
Weldon Flat	No
Coolant Option	External Coolant
Coating Description	AlTiN (Ti-NAMITE-A)
Additional Geometry	Right Hand Cut Direction (RHC)
Helix Angle	Right Spiral
Variable Helix	No
Center Cutting	No
Chip Breaker	No
Chamfer Angle (a) (Degree)	30
Primary Chamfer Angle (a) (Degree)	30
Number of Margins	2