E256M3

M Machine Tap Spiral Point, Red Shark
Ordering number: 6554491

Spiral point tap Red Shark with chamfer form B with a 3.5-5xP second lead, for ISO-Metric thread M3 with 0.50 mm pitch and 6H class of fit, dimensions according to DIN 371 standard with 3.5mm shank and 2.7mm square drive, powder metallurgical HSS-E with TiAlN-Top coating for 2.5xD through hole threading in plain carbon, alloy and tool steel

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Product Feature

Titanium Aluminium Nitride (with smoothing process)

Thread Form, Metric Coarse

DIN 371 – Thread Form Standard

DIN Thread Pitch Diameter Tolerance Zone (with increased pitch diameter)

Through Hole Application

2.5×D Usable Tool Depth to Diameter Ratio

High Speed Cobalt Powder Metal Tool Material

Plug Tap Chamfer (3.5 – 5 Pitch Lead)

Spiral Point Geometry

Right Hand Rotation / Cutting

Product Detail

Description	Value
Product name	E256M3
EDP number	46554491
EAN number	7320760674345
Product Line	SHARK
Thread diameter size (TDZ)	3
Thread pitch - millimeter (TP)	0.5 mm
Overall length - millimeter (OAL)	56 mm
Overall length - inch (OAL)	2.2047 inch
Threading length - millimeter (THL)	9 mm
Threading length - inch (THL)	0.3543 inch
Connection diameter - inch (DCON MS)	0.1378 inch
Connection diameter - millimeter (DCON MS)	3.5 mm
Flute count (NOF)	3
Usable Length - inch (LU)	0.7087 inch
Usable Length - millimeter (LU)	18 mm
Clamping width - inch (WSC)	0.1063 inch
Clamping width - millimeter (WSC)	2.7 mm
Clamping Length - inch (LCS)	0.2362 inch
Clamping Length - millimeter (LSC)	6 mm
Premachined hole diameter - inch (PHD)	0.0984 inch
Premachined hole diameter - millimeter (PHD)	2.5 mm
Gross weight - grams	6
ANSI	E256M3
ISO	E256M3
Ordering code ANSI	E256M3

Cutting Conditions

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

P2

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

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	Suitability	v_c	f
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Primary use	89 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	82 ft/min
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Primary use	66 ft/min
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Primary use	56 ft/min

P4

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

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	Suitability	v_c
P4.1 - Tool steel with a hardness of < 26HRC	help_outline Primary use	49 ft/min
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Primary use	43 ft/min
P4.3 - Tool steel with a hardness of 39 - 45HRC	help_outline Possible use	33 ft/min

S - High-temperature alloys (superalloys with high temperature stength and corrosion resistant surpassing that of stainless steel)

S1

S1 - Titanium or titanium alloys

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	Suitability	v_c	f
S1.2 - Titanium alloys, with a hardness of 200 - 280HB	help_outline Possible use	10 ft/min

S2

S2 - Fe-based high-temperature alloys

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	Suitability	v_c	f
S2.1 - High-temperature Fe-based alloys with a hardness of <200HB	help_outline Possible use	13 ft/min

S3

S3 - Ni-based high-temperature alloys

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	Suitability	v_c	f
S3.1 - High-temperature Ni-based alloys with a hardness of <280HB	help_outline Possible use	10 ft/min

S4

S4 - Co-based high-temperature alloys

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	Suitability	v_c	f
S4.1 - High-temperature Co-based alloys with a hardness of <240HB	help_outline Possible use	10 ft/min