B95312.0

Machine Reamer for Conical Pin Left Hand Helix 45°
Ordering number: 5986998

Taper pin machine reamer with left hand fast spiral flutes and a cylindrical shank with tang, small end diameter 11.80mm with an overall length of 290mm, a flute length of 210mm and 16.00mm large end diameter, according to DIN 2179 standard for reaming pin holes with a 1:50 taper into which 12.00mm taper pins will fit, cobalt based HSS-E with bright finish for machining free machining and plain carbon steel, grey and malleable cast-iron, cast aluminium

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Product Feature

Bright (uncoated)

High Speed Cobalt Steel Tool Material

DIN 2179 – Parallel Shank Taper Pin Reamer Standards

Right Hand Rotation / Cutting

Cylindrical Shank with Tang

Taper Gradient (1 mm per 50 mm taper)

Product Detail

Description	Value
EAN number	7320760053898
EDP number	0053898
Product name	B95312.0
Ordering code ANSI	B95312.0
Gross weight - grams	295
Nominal diameter	12
Cutting diameter step - millimeter	11.8 mm
Cutting diameter second cutting step - millimeters (DC_2)	16 mm
Overall length - millimeter (OAL)	290 mm
Length chip flute - millimeter (LCF)	210 mm
Flute count (NOF)	3
Connection diameter - millimeter (DCON MS)	16 mm
Connection diameter tolerance machine side (TCDCONMS)	h9
ANSI	B95312.0
ISO	B95312.0

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 Primary use	33 ft/min	0.0094 inch/rev
P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB	help_outline Primary use	39 ft/min	0.0094 inch/rev
P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB	help_outline Primary use	43 ft/min	0.0094 inch/rev

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 Primary use	30 ft/min	0.0094 inch/rev
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Primary use	26 ft/min	0.0094 inch/rev
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Possible use	20 ft/min	0.0073 inch/rev

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	0.0073 inch/rev
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Possible use	20 ft/min	0.0073 inch/rev
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Possible use	10 ft/min	0.0073 inch/rev

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	13 ft/min	0.0073 inch/rev
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Possible use	10 ft/min	0.0073 inch/rev
P4.3 - Tool steel with a hardness of 39 - 45HRC	help_outline Possible use	7 ft/min	0.0073 inch/rev

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	36 ft/min	0.0112 inch/rev
M1.2 - Stainless steel, ferritic with a hardness of 160 - 220HB	help_outline Possible use	33 ft/min	0.0094 inch/rev

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	30 ft/min	0.0094 inch/rev
M2.2 - Stainless steel, martensitic with a hardness of 200 - 280HB	help_outline Possible use	26 ft/min	0.0094 inch/rev

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	f
K1.1 - Gray iron, ferritic or ferritic-pearlitic with a hardness of < 180HB	help_outline Primary use	33 ft/min	0.0112 inch/rev
K1.2 - Gray iron, ferritic-pearlitic or pearlitic with a hardness of 180 - 240HB	help_outline Primary use	20 ft/min	0.0094 inch/rev
K1.3 - Gray iron, pearlitic with a hardness of 240 - 280HB	help_outline Possible use	13 ft/min	0.0094 inch/rev

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 Primary use	26 ft/min	0.0073 inch/rev
K2.2 - Malleable iron, ferritic or pearlitic with a hardness of 160 - 200HB	help_outline Primary use	20 ft/min	0.0073 inch/rev
K2.3 - Malleable iron, pearlitic with a hardness of 200 - 240HB	help_outline Possible use	13 ft/min	0.0073 inch/rev

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 Primary use	23 ft/min	0.0073 inch/rev
K3.2 - Ductile (nodular/spheriodal) iron, ferritic or pearlitic with a hardness of 180 - 220HB	help_outline Possible use	13 ft/min	0.0073 inch/rev

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
N1.1 - Pure aluminium and wrought aluminium alloys with a hardness of < 60HB	help_outline Possible use	46 ft/min	0.0142 inch/rev
N1.2 - Wrought aluminium alloys with a hardness of 60 - 100HB	help_outline Primary use	39 ft/min	0.0142 inch/rev
N1.3 - Wrought aluminium alloys with a hardness of 100 - 150HB	help_outline Primary use	30 ft/min	0.0142 inch/rev

N2

N2 - Cast aluminium

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	Suitability	v_c	f
N2.1 - Cast aluminium alloys with a hardness of < 75HB	help_outline Primary use	52 ft/min	0.0112 inch/rev
N2.2 - Cast aluminium alloys with a hardness of 75 - 90HB	help_outline Primary use	46 ft/min	0.0112 inch/rev
N2.3 - Cast aluminium alloys with a hardness of 90 < 140HB	help_outline Possible use	33 ft/min	0.0112 inch/rev

N3

N3 - Copper or copper alloys

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	Suitability	v_c	f
N3.1 - Free-cutting copper-alloys materials with excellent machining properties	help_outline Primary use	72 ft/min	0.0094 inch/rev
N3.2 - Short-chip copper-alloys with good to moderate machining properties	help_outline Primary use	46 ft/min	0.0112 inch/rev
N3.3 - Electrolytic copper and long-chip copper-alloys with moderate to poor machining properties	help_outline Possible use	20 ft/min	0.0094 inch/rev

N4

N4 - Polymers(synthetic or semi-synthetic materials)

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	Suitability	v_c	f
N4.1 - Thermoplastic polymers	help_outline Possible use	72 ft/min	0.0094 inch/rev