E621M5

EGM Machine Tap Spiral Flute 40°
Ordering number: 5978285

Spiral flute tap with chamfer form C with a 2-3xP plug lead, for Einsatzgewinde Metrisch (metric Wire Insert thread) EGM5 with 0.80 mm pitch and 6H class of fit, dimensions according to DORMER PRAMET-ISO standard with 6.3mm shank and 5.0mm square drive, HSS with bright finish and 40° helix angle for 2xD blind hole threading in free machining and plain carbon steel

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Product Feature

Bright (uncoated)

Thread Form, Metric ISO (Screw Thread Insert Type)

ISO Dormer Standard

DIN Thread Pitch Diameter Tolerance Zone (high basic pitch diameter)

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	E621M5
EDP number	0384930
EAN number	7320760384930
Thread diameter size (TDZ)	5
Thread diameter - millimeter (TD)	6.04 mm
Thread pitch - millimeter (TP)	0.8 mm
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
Clamping Length - inch (LCS)	0.315 inch
Clamping Length - millimeter (LSC)	8 mm
Premachined hole diameter - inch (PHD)	0.2047 inch
Premachined hole diameter - millimeter (PHD)	5.2 mm
Gross weight - grams	14.6
ANSI	E621M5
ISO	E621M5
Ordering code ANSI	E621M5

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 Possible use	20 ft/min

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	23 ft/min
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Possible use	16 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 Possible use	13 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