B41125.0

Machine Reamer Extremely Unequal Spacing
Ordering number: 5987202

Machine reamer with left hand slow spiral flutes which are extremely unequally spaced and a Morse taper shank, diameter 25.00mm with an overall length of 268mm, a flute length of 68mm and 169mm reach with neck relief, according to DIN 8094 standard for reaming precise holes within H7 tolerance, carbide head with bright finish for machining free machining, plain carbon, alloy and tool steel, grey, malleable, ductile and compacted graphite cast-iron, wrought and cast aluminium and copper or copper alloys

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Product Feature

Bright (uncoated)

Hard Material (Solid Carbide)

DIN 8094 – Morse Taper Shank Reamer Standards

Right Hand Rotation / Cutting

Morse Taper Shank

DIN Form B – Left hand Slow Spiral Flute, Right hand cut

H7 – Industry Standard Hole Tolerance Zone (based on diameter range)

Product Detail

Description	Value
EAN number	7320760144398
EDP number	0144398
Product name	B41125.0
Ordering code ANSI	B41125.0
Gross weight - grams	720
Cutting diameter - millimeter (DC)	25 mm
Overall length - millimeter (OAL)	268 mm
Length chip flute - millimeter (LCF)	68 mm
Body length - millimeter (LB)	169 mm
Flute count (NOF)	8
Connection size code machine side (CZC MS)	MK 3
ANSI	B41125.0
ISO	B41125.0

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	75 ft/min	0.0142 inch/rev
P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB	help_outline Primary use	85 ft/min	0.0142 inch/rev
P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB	help_outline Primary use	89 ft/min	0.0142 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	66 ft/min	0.0142 inch/rev
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Primary use	59 ft/min	0.0142 inch/rev
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Primary use	52 ft/min	0.0173 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	52 ft/min	0.0142 inch/rev
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Primary use	43 ft/min	0.0142 inch/rev
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Primary use	36 ft/min	0.0173 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	33 ft/min	0.0142 inch/rev
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Primary use	26 ft/min	0.0173 inch/rev
P4.3 - Tool steel with a hardness of 39 - 45HRC	help_outline Primary use	23 ft/min	0.0173 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	33 ft/min	0.0173 inch/rev
M1.2 - Stainless steel, ferritic with a hardness of 160 - 220HB	help_outline Possible use	26 ft/min	0.0173 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	0.0173 inch/rev
M2.2 - Stainless steel, martensitic with a hardness of 200 - 280HB	help_outline Possible use	23 ft/min	0.0173 inch/rev
M2.3 - Stainless steel, martensitic with a hardness of 280 - 380HB	help_outline Possible use	20 ft/min	0.0142 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	66 ft/min	0.0213 inch/rev
K1.2 - Gray iron, ferritic-pearlitic or pearlitic with a hardness of 180 - 240HB	help_outline Primary use	49 ft/min	0.0213 inch/rev
K1.3 - Gray iron, pearlitic with a hardness of 240 - 280HB	help_outline Primary use	36 ft/min	0.0213 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	69 ft/min	0.0213 inch/rev
K2.2 - Malleable iron, ferritic or pearlitic with a hardness of 160 - 200HB	help_outline Primary use	56 ft/min	0.0213 inch/rev
K2.3 - Malleable iron, pearlitic with a hardness of 200 - 240HB	help_outline Primary use	46 ft/min	0.0213 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	59 ft/min	0.0213 inch/rev
K3.2 - Ductile (nodular/spheriodal) iron, ferritic or pearlitic with a hardness of 180 - 220HB	help_outline Primary use	46 ft/min	0.0213 inch/rev
K3.3 - Ductile (nodular/spheriodal) iron, pearlitic with a hardness of 220 - 260HB	help_outline Primary use	36 ft/min	0.0213 inch/rev

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 Primary use	62 ft/min	0.0213 inch/rev
K5.2 - Vermicular, compacted graphite iron with a hardness of 180 - 220HB	help_outline Primary use	49 ft/min	0.0213 inch/rev
K5.3 - Vermicular, compacted graphite iron with a hardness of 220 - 260HB	help_outline Primary use	36 ft/min	0.0213 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	197 ft/min	0.0213 inch/rev
N1.2 - Wrought aluminium alloys with a hardness of 60 - 100HB	help_outline Primary use	148 ft/min	0.0213 inch/rev
N1.3 - Wrought aluminium alloys with a hardness of 100 - 150HB	help_outline Primary use	98 ft/min	0.0213 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	125 ft/min	0.0213 inch/rev
N2.2 - Cast aluminium alloys with a hardness of 75 - 90HB	help_outline Primary use	115 ft/min	0.0213 inch/rev
N2.3 - Cast aluminium alloys with a hardness of 90 < 140HB	help_outline Primary use	82 ft/min	0.0213 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	210 ft/min	0.0252 inch/rev
N3.2 - Short-chip copper-alloys with good to moderate machining properties	help_outline Primary use	125 ft/min	0.0252 inch/rev
N3.3 - Electrolytic copper and long-chip copper-alloys with moderate to poor machining properties	help_outline Possible use	62 ft/min	0.0252 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	115 ft/min	0.0173 inch/rev
N4.2 - Thermosetting polymers	help_outline Possible use	98 ft/min	0.0173 inch/rev