157210-32H2NO2

1572 UNF Hand Tap, Screw Thread Insert
Ordering number: 6006936

Straight flute hand tap NO2 with a 4-6xP second lead, for Unified National Fine thread UNF 10 with 32 TPI and 3B class of fit with H2 pitch diameter limits, dimensions according to ANSI standard with 0.2550" shank and 0.1910" square drive, HSS with bright finish for 1.5xD through or blind hole threading in wrought or cast aluminium and copper or copper alloys

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Product Feature

Bright (uncoated)

Thread Form, Unified Fine

ANSI – Tap Standards

Thread tolerance class 3B

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	157210-32H2NO2
EDP number	1010442
EAN number	698464021060
Thread diameter size (TDZ)	10
Threads per inch (TPI)	32
Overall length - millimeter (OAL)	63.5 mm
Overall length - inch (OAL)	2.5 inch
Overall length - fractional inch (OAL)	2.1/2
Threading length - millimeter (THL)	25.4 mm
Threading length - inch (THL)	1 inch
Threading length - fractional inch (THL)	1"
Connection diameter - inch (DCON MS)	0.255 inch
Connection diameter - millimeter (DCON MS)	6.48 mm
Flute count (NOF)	3
Tolerance limit	H2
Clamping width - inch (WSC)	0.191 inch
Clamping width - millimeter (WSC)	4.85 mm
Clamping Length - fractional inch (LCS)	5/16
Clamping Length - inch (LCS)	0.3125 inch
Clamping Length - millimeter (LSC)	7.94 mm
Gross weight - grams	11
ANSI	157210-32H2NO2
ISO	157210-32H2NO2
Ordering code ANSI	157210-32H2NO2

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 Possible use	36 ft/min
P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB	help_outline Possible use	39 ft/min
P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB	help_outline Possible use	39 ft/min

P2

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

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	Suitability	v_c	f
P2.1 - Plain low carbon steel containing < 0.25%C with a hardness of < 180HB	help_outline Possible use	30 ft/min
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Possible use	26 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 Possible use	23 ft/min
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Possible use	20 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

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	23 ft/min
M1.2 - Stainless steel, ferritic with a hardness of 160 - 220HB	help_outline Possible use	20 ft/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	20 ft/min
M2.2 - Stainless steel, martensitic with a hardness of 200 - 280HB	help_outline Possible use	16 ft/min

M3

M3 - Austenitic stainless steel (chromium-nickel and chromium-nickel-manganese alloys)

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	Suitability	v_c	f
M3.1 - Stainless steel, austenitic with a hardness of < 200HB	help_outline Possible use	7 ft/min
M3.2 - Stainless steel, austenitic with a hardness of 200 - 260HB	help_outline Possible use	7 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
N1.1 - Pure aluminium and wrought aluminium alloys with a hardness of < 60HB	help_outline Primary use	39 ft/min
N1.2 - Wrought aluminium alloys with a hardness of 60 - 100HB	help_outline Primary use	30 ft/min
N1.3 - Wrought aluminium alloys with a hardness of 100 - 150HB	help_outline Primary use	20 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 Primary use	92 ft/min
N2.2 - Cast aluminium alloys with a hardness of 75 - 90HB	help_outline Primary use	82 ft/min
N2.3 - Cast aluminium alloys with a hardness of 90 < 140HB	help_outline Primary use	59 ft/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	112 ft/min
N3.2 - Short-chip copper-alloys with good to moderate machining properties	help_outline Primary use	66 ft/min
N3.3 - Electrolytic copper and long-chip copper-alloys with moderate to poor machining properties	help_outline Primary use	33 ft/min

Related Parts

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157210-32H2NO2

Product Feature

Product Detail

Cutting Conditions

P1

P2

P3

P4

M1

M2

M3

N1

N2

N3

Related Parts

1572(UNF)