E5331/4BLUE

BSW Machine Tap Spiral Flute 40°
Ordering number: 5976488

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for British Standard Whitworth thread BSW 1/4" with 20 TPI and Medium class of fit, dimensions according to ISO 529 standard with 6.3mm shank and 5.0mm square drive, HSS with bright finish with steam tempering and 40° helix angle for 2xD blind hole threading in general purpose applications

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Product Feature

Combination Bright and Steam Oxide

Thread Form, British Standard Whitworth

ISO 529 – Tap Standard

Medium Inch Thread Class of Fit

Blind Hole Application

2×D Usable Tool Depth to Diameter Ratio

High Speed Steel Tool Material

Semi-Bottoming Tap Chamfer (2 – 3 Pitch Lead)

Spiral Flute Geometry

40° Helix Angle (Flute)

Right Hand Rotation / Cutting

Product Detail

Description	Value
Product name	E5331/4BLUE
EDP number	0201510
EAN number	7320760201510
Thread diameter size (TDZ)	1/4
Thread diameter - millimeter (TD)	6.35 mm
Threads per inch (TPI)	20
Overall length - millimeter (OAL)	66 mm
Overall length - inch (OAL)	2.5984 inch
Threading length - millimeter (THL)	13 mm
Threading length - inch (THL)	0.5118 inch
Connection diameter - inch (DCON MS)	0.248 inch
Connection diameter - millimeter (DCON MS)	6.3 mm
Flute count (NOF)	3
Usable Length - inch (LU)	1.0236 inch
Usable Length - millimeter (LU)	26 mm
Clamping width - inch (WSC)	0.1969 inch
Clamping width - millimeter (WSC)	5 mm
Premachined hole diameter - inch (PHD)	0.2008 inch
Premachined hole diameter - millimeter (PHD)	5.1 mm
Gross weight - grams	15
ANSI	E5331/4BLUE
ISO	E5331/4BLUE
Ordering code ANSI	E5331/4BLUE

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
P1.1 - Free machining sulfurized carbon steel with a hardness of < 240HB	help_outline Primary use	33 ft/min
P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB	help_outline Primary use	36 ft/min
P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB	help_outline Primary use	43 ft/min

P2

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

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	Suitability	v_c
P2.1 - Plain low carbon steel containing < 0.25%C with a hardness of < 180HB	help_outline Primary use	26 ft/min
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Primary use	23 ft/min
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Primary use	20 ft/min

P3

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

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	Suitability	v_c
P3.1 - Alloy steel with a hardness of < 180HB	help_outline Primary use	23 ft/min
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Primary use	16 ft/min
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Possible use	13 ft/min

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	13 ft/min
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Possible use	10 ft/min

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	20 ft/min
M1.2 - Stainless steel, ferritic with a hardness of 160 - 220HB	help_outline Possible use	16 ft/min

M2

M2 - Martensitic stainless steel (straight chromium hardenable alloys)

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	Suitability	v_c
M2.1 - Stainless steel, martensitic with a hardness of < 200HB	help_outline Possible use	13 ft/min
M2.2 - Stainless steel, martensitic with a hardness of 200 - 280HB	help_outline Possible use	16 ft/min
M2.3 - Stainless steel, martensitic with a hardness of 280 - 380HB	help_outline Possible use	16 ft/min

M3

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

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	Suitability	v_c
M3.1 - Stainless steel, austenitic with a hardness of < 200HB	help_outline Primary use	16 ft/min
M3.2 - Stainless steel, austenitic with a hardness of 200 - 260HB	help_outline Possible use	13 ft/min
M3.3 - Stainless steel, austenitic with a hardness of 260 - 300HB	help_outline Possible use	10 ft/min

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	7 ft/min

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
N1.3 - Wrought aluminium alloys with a hardness of 100 - 150HB	help_outline Possible use	16 ft/min

N2

N2 - Cast aluminium

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	Suitability	v_c
N2.1 - Cast aluminium alloys with a hardness of < 75HB	help_outline Possible use	39 ft/min
N2.2 - Cast aluminium alloys with a hardness of 75 - 90HB	help_outline Possible use	33 ft/min
N2.3 - Cast aluminium alloys with a hardness of 90 < 140HB	help_outline Possible use	26 ft/min