E0215/16

UNC Machine Tap Spiral Point
Material ID: 5974346

Spiral point tap with chamfer form B with a 3.5-5xP 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, powder metallurgical HSS-E with steam tempered surface finish for 2.5xD through hole threading in general purpose applications

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Product Feature

Steam Tempered (Steam Oxide) Surface Treatment

Thread Form, Unified Coarse

ISO 529 – Tap Standard

Internal Inch Thread Medium Class of Fit

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	E0215/16
Product number (SAP)	86015049
EAN number	7320760569160
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
Tolerance limit	H5
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	27.3
ISO	E0215/16
Ordering code ANSI	E0215/16

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 Possible use	22 m/min

P2

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

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	Suitability	v_c	f
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Possible use	16 m/min
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Primary use	14 m/min

P3

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

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	Suitability	v_c	f
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Primary use	10 m/min
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Possible use	9 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 Primary use	8 m/min
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Possible use	6 m/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 Possible use	10 m/min
M1.2 - Stainless steel, ferritic with a hardness of 160 - 220HB	help_outline Possible use	8 m/min

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 Possible use	9 m/min
M2.2 - Stainless steel, martensitic with a hardness of 200 - 280HB	help_outline Possible use	7 m/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 Possible use	7 m/min
M3.2 - Stainless steel, austenitic with a hardness of 200 - 260HB	help_outline Possible use	6 m/min
M3.3 - Stainless steel, austenitic with a hardness of 260 - 300HB	help_outline Possible use	5 m/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	4 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	13 m/min
K1.2 - Gray iron, ferritic-pearlitic or pearlitic with a hardness of 180 - 240HB	help_outline Possible use	10 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	16 m/min
K2.2 - Malleable iron, ferritic or pearlitic with a hardness of 160 - 200HB	help_outline Possible use	13 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	14 m/min
K3.2 - Ductile (nodular/spheriodal) iron, ferritic or pearlitic with a hardness of 180 - 220HB	help_outline Possible use	10 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	13 m/min
K4.2 - Austenitic cast iron with a hardness of 180 - 240HB	help_outline Possible use	9 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	15 m/min
K5.2 - Vermicular, compacted graphite iron with a hardness of 180 - 220HB	help_outline Possible use	11 m/min

Related Parts

Used as replacement

Material application

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E0215/16

Product Feature

Product Detail

Cutting Conditions

P1

P2

P3

P4

M1

M2

M3

M4

K1

K2

K3

K4

K5

Related Parts

E020