E5155/16NO2

HSS Straight Flute Hand Tap, UNC, ISO Standard
Material ID: 5976808

Straight flute hand tap NO2 with a 4-6xP second lead, for Unified National Coarse thread UNC 5/16" with 18 TPI and 2B class of fit, dimensions according to ISO 529 standard with 8.0mm shank and 6.3mm square drive, HSS with bright finish for 1.5xD through or blind hole threading in free machining and plain carbon steel and copper or copper alloys

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Product Feature

Bright (uncoated)

Thread Form, Unified Coarse

ISO 529 – Tap Standard

Internal Inch Thread Medium Class of Fit

Through or Blind Hole Application

1.5×D Usable Tool Depth to Diameter Ratio

High Speed Steel Tool Material

Straight Flute Geometry

Right Hand Rotation / Cutting

Product Detail

Description	Value
Product name	E5155/16NO2
Product number (SAP)	86016779
EAN number	7320760152713
Thread diameter size (TDZ)	5/16
Thread diameter - millimeter (TD)	7.938 mm
Threads per inch (TPI)	18
Overall length - millimeter (OAL)	72 mm
Overall length - inch (OAL)	2.8346 inch
Threading length - millimeter (THL)	16 mm
Threading length - inch (THL)	0.6299 inch
Connection diameter - inch (DCON MS)	0.315 inch
Connection diameter - millimeter (DCON MS)	8 mm
Flute count (NOF)	3
Usable Length - inch (LU)	1.1417 inch
Usable Length - millimeter (LU)	29 mm
Clamping width - inch (WSC)	0.248 inch
Clamping width - millimeter (WSC)	6.3 mm
Clamping Length - inch (LCS)	0.3543 inch
Clamping Length - millimeter (LSC)	9 mm
Premachined hole diameter - inch (PHD)	0.2598 inch
Premachined hole diameter - millimeter (PHD)	6.6 mm
Gross weight - grams	27
ISO	E5155/16NO2
Ordering code ANSI	E5155/16NO2
Brand Name	Dormer Pramet

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	7 m/min
P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB	help_outline Primary use	7 m/min
P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB	help_outline Primary use	8 m/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	6 m/min
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Primary use	5 m/min
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Possible use	4 m/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	4 m/min
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Possible use	4 m/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	3 m/min

K - Cast Iron (castings of iron and carbon alloys with > 2% carbon content)

K1

K1 - Gray iron (GG) (iron-carbon castings with a lamellar graphite microstructure)

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	Suitability	v_c
K1.1 - Gray iron, ferritic or ferritic-pearlitic with a hardness of < 180HB	help_outline Possible use	12 m/min
K1.2 - Gray iron, ferritic-pearlitic or pearlitic with a hardness of 180 - 240HB	help_outline Possible use	9 m/min
K1.3 - Gray iron, pearlitic with a hardness of 240 - 280HB	help_outline Possible use	7 m/min

K2

K2 - Malleable iron (GTS/GTW) (heat-treated iron-carbon castings with a graphite-free microstructure)

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	Suitability	v_c	f
K2.1 - Malleable iron, ferritic with a hardness of < 160HB	help_outline Possible use	12 m/min
K2.2 - Malleable iron, ferritic or pearlitic with a hardness of 160 - 200HB	help_outline Possible use	10 m/min

K3

K3 - Ductile iron (GGG) (iron-carbon castings with a nodular graphite microsturcture)

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	Suitability	v_c	f
K3.1 - Ductile (nodular/spheriodal) iron, ferritic with a hardness of < 180HB	help_outline Possible use	11 m/min
K3.2 - Ductile (nodular/spheriodal) iron, ferritic or pearlitic with a hardness of 180 - 220HB	help_outline Possible use	8 m/min

K4

K4 - Austenitic or austempered ductile iron (Ni-Resist/ADI) (iron-carbon alloy castings with an austenitic or ausferrite microstructure)

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	Suitability	v_c	f
K4.1 - Austenitic cast iron with a hardness of < 180HB	help_outline Possible use	10 m/min
K4.2 - Austenitic cast iron with a hardness of 180 - 240HB	help_outline Possible use	8 m/min

K5

K5 - Compacted graphite iron (CGI) (iron-carbon castings with a vermicular graphite structure)

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	Suitability	v_c	f
K5.1 - Vermicular, compacted graphite iron with a hardness of < 180HB	help_outline Possible use	11 m/min
K5.2 - Vermicular, compacted graphite iron with a hardness of 180 - 220HB	help_outline Possible use	9 m/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	8 m/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	11 m/min
N2.2 - Cast aluminium alloys with a hardness of 75 - 90HB	help_outline Possible use	10 m/min
N2.3 - Cast aluminium alloys with a hardness of 90 < 140HB	help_outline Possible use	7 m/min

N3

N3 - Copper or copper alloys

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	Suitability	v_c
N3.1 - Free-cutting copper-alloys materials with excellent machining properties	help_outline Primary use	17 m/min
N3.2 - Short-chip copper-alloys with good to moderate machining properties	help_outline Primary use	10 m/min
N3.3 - Electrolytic copper and long-chip copper-alloys with moderate to poor machining properties	help_outline Possible use	5 m/min

N4

N4 - Polymers(synthetic or semi-synthetic materials)

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	Suitability	v_c	f
N4.2 - Thermosetting polymers	help_outline Possible use	5 m/min
N4.3 - Reinforced polymers or composites	help_outline Possible use	3 m/min