R95025.5

Hydra Drill Head for Steel
Material ID: 5988843

High-performance replaceable drill head HYDRA P, diameter 25.5mm according to DORMER standard with 140° modified 4-facet split point, solid carbide with Ti-phon coating for drilling steel in combination with HYDRA body size 25mm or 1.1/64", H853 for up to 3xD, H855 for up to 5xD or H858 for up to 8xD

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Product Feature

Special TiAlN Coating (+ Silicon + Chromium)

Hard Material (Solid Carbide)

Dormer Standards

Drill Point 140°

Right Hand Rotation / Cutting

Through Tool Coolant

h7 – Industry Standard Tool Tolerance Zone (based on diameter range)

Product Detail

Description	Value
EAN number	7320760038277
Product number (SAP)	80024042
Ordering code ANSI	R95025.5
Product Line	HYDRA
Gross weight - grams	50.9
Cutting diameter - millimeter (DC)	25.5 mm
Cutting diameter - inch (DC)	1.0039 inch
Head length - millimeter (LH)	15.8 mm
ISO	R95025.5

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	133 m/min	0.472 mm/rev
P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB	help_outline Possible use	148 m/min	0.472 mm/rev
P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB	help_outline Possible use	154 m/min	0.472 mm/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 Possible use	114 m/min	0.472 mm/rev
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Primary use	100 m/min	0.472 mm/rev
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Primary use	88 m/min	0.472 mm/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	125 m/min	0.472 mm/rev
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Primary use	101 m/min	0.472 mm/rev
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Primary use	85 m/min	0.472 mm/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	75 m/min	0.472 mm/rev
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Primary use	63 m/min	0.472 mm/rev
P4.3 - Tool steel with a hardness of 39 - 45HRC	help_outline Primary use	52 m/min	0.212 mm/rev

M - Stainless steel (corrosion resistant steels with ≥ 11% chromium content)

M2

M2 - Martensitic stainless steel (straight chromium hardenable alloys)

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	Suitability	v_c	f
M2.3 - Stainless steel, martensitic with a hardness of 280 - 380HB	help_outline Possible use	41 m/min	0.212 mm/rev

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
M4.2 - Stainless steel, precipitation hardening austenitic with a hardness of 300 - 380HB	help_outline Possible use	35 m/min	0.212 mm/rev

K - Cast Iron (castings of iron and carbon alloys with > 2% carbon content)

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	108 m/min	0.404 mm/rev
K2.2 - Malleable iron, ferritic or pearlitic with a hardness of 160 - 200HB	help_outline Primary use	88 m/min	0.404 mm/rev
K2.3 - Malleable iron, pearlitic with a hardness of 200 - 240HB	help_outline Primary use	70 m/min	0.404 mm/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	96 m/min	0.404 mm/rev
K3.2 - Ductile (nodular/spheriodal) iron, ferritic or pearlitic with a hardness of 180 - 220HB	help_outline Primary use	73 m/min	0.404 mm/rev
K3.3 - Ductile (nodular/spheriodal) iron, pearlitic with a hardness of 220 - 260HB	help_outline Primary use	59 m/min	0.404 mm/rev

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 Primary use	89 m/min	0.404 mm/rev
K4.2 - Austenitic cast iron with a hardness of 180 - 240HB	help_outline Primary use	67 m/min	0.404 mm/rev
K4.3 - Austempered ductile iron with a hardness of 240 - 280HB	help_outline Primary use	49 m/min	0.404 mm/rev
K4.4 - Austempered ductile iron with a hardness of 280 - 320HB	help_outline Primary use	42 m/min	0.404 mm/rev
K4.5 - Austempered ductile iron with a hardness of 320 - 360HB	help_outline Primary use	35 m/min	0.404 mm/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	100 m/min	0.404 mm/rev
K5.2 - Vermicular, compacted graphite iron with a hardness of 180 - 220HB	help_outline Primary use	76 m/min	0.404 mm/rev
K5.3 - Vermicular, compacted graphite iron with a hardness of 220 - 260HB	help_outline Primary use	58 m/min	0.404 mm/rev