G1425.0

Countersink with extra radial relief - 90°
Ordering number: 5973143

Countersink with 3-flutes, 90° chamfering angle, maximum diameter 5.00mm with an overall length of 40mm and a head length of 4.5mm and 4mm straight shank, according to DIN 335 C standard to produce a conical seat for ISO Metric countersunk-head screws with a minium hole diameter of 1.50mm, HSS with standard bright finish for machining free machining, plain carbon and alloy steel, ferritic stainless steel, wrought and copper or copper alloys and polymers

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Product Feature

Bright (uncoated)

High Speed Steel Tool Material

DIN 335 C – Straight Shank Countersink Standards

Right Hand Rotation / Cutting

90° Countersink

Cylindrical Shank / Straight Shank

Product Detail

Description	Value
EAN number	7320760168066
EDP number	0168066
Product name	G1425.0
Ordering code ANSI	G1425.0
Gross weight - grams	6.6
Cutting diameter second cutting step - millimeters (DC_2)	5 mm
Cutting diameter step - millimeter	1.5 mm
Length chip flute - millimeter (LCF)	4.5 mm
Overall length - millimeter (OAL)	40 mm
Connection diameter - millimeter (DCON MS)	4 mm
Flute count (NOF)	3
ANSI	G1425.0
ISO	G1425.0

Cutting Conditions

P - Steel and cast steel (steels with alloy content ≤ 10% and a hardness of < 45HRC)

P1

P1 - Free machining steel (carbon steels with increased machinability)

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	Suitability	v_c	f
P1.1 - Free machining sulfurized carbon steel with a hardness of < 240HB	help_outline Primary use	75 ft/min	0.0031 inch/rev
P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB	help_outline Primary use	85 ft/min	0.0031 inch/rev
P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB	help_outline Primary use	89 ft/min	0.0031 inch/rev

P2

P2 - Plain carbon steel (steels comprised of mainly iron and carbon)

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	Suitability	v_c	f
P2.1 - Plain low carbon steel containing < 0.25%C with a hardness of < 180HB	help_outline Primary use	66 ft/min	0.0031 inch/rev
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Primary use	59 ft/min	0.0024 inch/rev
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Possible use	52 ft/min	0.0016 inch/rev

P3

P3 - Alloy steel (carbon steels with an alloying content ≤ 10%)

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	Suitability	v_c	f
P3.1 - Alloy steel with a hardness of < 180HB	help_outline Primary use	52 ft/min	0.0024 inch/rev
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Primary use	43 ft/min	0.0024 inch/rev
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Possible use	36 ft/min	0.0016 inch/rev

P4

P4 - Tool steel (special alloy steel for tools, dies and molds)

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	Suitability	v_c	f
P4.1 - Tool steel with a hardness of < 26HRC	help_outline Primary use	33 ft/min	0.0024 inch/rev
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Possible use	26 ft/min	0.0016 inch/rev

M - Stainless steel (corrosion resistant steels with ≥ 11% chromium content)

M1

M1 - Ferritic stainless steel (straight chromium non-hardenable alloys)

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	Suitability	v_c	f
M1.1 - Stainless steel, ferritic with a hardness of < 160HB	help_outline Primary use	36 ft/min	0.002 inch/rev
M1.2 - Stainless steel, ferritic with a hardness of 160 - 220HB	help_outline Primary use	30 ft/min	0.002 inch/rev

M2

M2 - Martensitic stainless steel (straight chromium hardenable alloys)

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	Suitability	v_c	f
M2.1 - Stainless steel, martensitic with a hardness of < 200HB	help_outline Primary use	33 ft/min	0.002 inch/rev
M2.2 - Stainless steel, martensitic with a hardness of 200 - 280HB	help_outline Possible use	26 ft/min	0.002 inch/rev

M3

M3 - Austenitic stainless steel (chromium-nickel and chromium-nickel-manganese alloys)

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	Suitability	v_c	f
M3.1 - Stainless steel, austenitic with a hardness of < 200HB	help_outline Primary use	23 ft/min	0.0016 inch/rev
M3.2 - Stainless steel, austenitic with a hardness of 200 - 260HB	help_outline Possible use	20 ft/min	0.0016 inch/rev

M4

M4 - Super-austenitic, Duplex or Precipitation Hardening stainless steel (austenitic alloys with > 20% Ni, austenitic-ferritic microstructure or precipitation hardened)

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	Suitability	v_c	f
M4.1 - Stainless steel, austenitic-ferritic or super-austenitic with a hardness of < 300HB	help_outline Possible use	13 ft/min	0.0012 inch/rev

N - Non-ferrous metals (metals including alloys without an appreciable amount of iron)

N1

N1 - Wrought aluminium

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	Suitability	v_c	f
N1.1 - Pure aluminium and wrought aluminium alloys with a hardness of < 60HB	help_outline Primary use	131 ft/min	0.0039 inch/rev
N1.2 - Wrought aluminium alloys with a hardness of 60 - 100HB	help_outline Primary use	98 ft/min	0.0039 inch/rev
N1.3 - Wrought aluminium alloys with a hardness of 100 - 150HB	help_outline Possible use	66 ft/min	0.0035 inch/rev

N2

N2 - Cast aluminium

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	Suitability	v_c	f
N2.1 - Cast aluminium alloys with a hardness of < 75HB	help_outline Possible use	66 ft/min	0.0035 inch/rev
N2.2 - Cast aluminium alloys with a hardness of 75 - 90HB	help_outline Possible use	59 ft/min	0.0035 inch/rev
N2.3 - Cast aluminium alloys with a hardness of 90 < 140HB	help_outline Possible use	66 ft/min	0.0035 inch/rev

N3

N3 - Copper or copper alloys

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	Suitability	v_c	f
N3.1 - Free-cutting copper-alloys materials with excellent machining properties	help_outline Primary use	112 ft/min	0.0035 inch/rev
N3.2 - Short-chip copper-alloys with good to moderate machining properties	help_outline Primary use	66 ft/min	0.0035 inch/rev
N3.3 - Electrolytic copper and long-chip copper-alloys with moderate to poor machining properties	help_outline Primary use	33 ft/min	0.0024 inch/rev

N4

N4 - Polymers(synthetic or semi-synthetic materials)

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	Suitability	v_c	f
N4.1 - Thermoplastic polymers	help_outline Primary use	131 ft/min	0.0039 inch/rev
N4.2 - Thermosetting polymers	help_outline Primary use	115 ft/min	0.0039 inch/rev