E8123/8H5

DIN ANSI Machine Tap, Blue Shark for Stainless Steel, Spiral Flute
Material ID: 7350343

Spiral flute tap Blue Shark with chamfer form C with a 2-3xP plug lead, for Unified National Coarse thread UNC 3/8" with 16 TPI and 2B class of fit with H5 pitch diameter limits, dimensions according to DIN/ANSI standard with 0.3810" shank and 0.2840" square drive, powder metallurgical HSS-E with Super-B coating and 40° helix angle for 2.5xD blind hole threading in stainless steel

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Product Feature

Special TiAlN Coating (+ WC/C)

Thread Form, Unified Coarse

DIN/ANSI Standards

Thread tolerance class 2B-3B

Blind Hole Application

2.5×D Usable Tool Depth to Diameter Ratio

High Speed Cobalt Powder Metal Tool Material

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

Spiral Flute Geometry

Right Hand Rotation / Cutting

40° Helix Angle (Flute)

Product Detail

Description	Value
Product name	E8123/8H5
EAN number	7320760751879
Product Line	SHARK
Thread diameter size (TDZ)	3/8
Threads per inch (TPI)	16
Overall length - millimeter (OAL)	100 mm
Overall length - inch (OAL)	3.937 inch
Threading length - millimeter (THL)	15.01 mm
Threading length - inch (THL)	0.591 inch
Connection diameter - inch (DCON MS)	0.381 inch
Connection diameter - millimeter (DCON MS)	9.68 mm
Flute count (NOF)	3
Tolerance limit	H5
Usable Length - inch (LU)	1.535 inch
Usable Length - millimeter (LU)	38.99 mm
Clamping width - inch (WSC)	0.284 inch
Clamping width - millimeter (WSC)	7.21 mm
Clamping Length - inch (LCS)	0.44 inch
Clamping Length - millimeter (LSC)	11.18 mm
Premachined hole diameter - imperial (PHD)	5/16
Premachined hole diameter - inch (PHD)	0.315 inch
Premachined hole diameter - millimeter (PHD)	8 mm
Gross weight - grams	48
ISO	E8123/8H5

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 Possible use	15 m/min

P3

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

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	Suitability	v_c	f
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Possible use	13 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	10 m/min
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Possible use	8 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 Primary use	18 m/min
M1.2 - Stainless steel, ferritic with a hardness of 160 - 220HB	help_outline Primary use	15 m/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 Primary use	16 m/min
M2.2 - Stainless steel, martensitic with a hardness of 200 - 280HB	help_outline Primary use	13 m/min
M2.3 - Stainless steel, martensitic with a hardness of 280 - 380HB	help_outline Possible use	11 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 Primary use	11 m/min
M3.2 - Stainless steel, austenitic with a hardness of 200 - 260HB	help_outline Primary use	9 m/min
M3.3 - Stainless steel, austenitic with a hardness of 260 - 300HB	help_outline Primary use	8 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 Primary use	5 m/min
M4.2 - Stainless steel, precipitation hardening austenitic with a hardness of 300 - 380HB	help_outline Possible use	4 m/min