R95019.25

Hydra Drill Head for Steel
Ordering number: 5988756

High-performance replaceable drill head HYDRA P, diameter 19.25mm 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 19mm or 49/64", 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	7320760032305
EDP number	0032305
Product name	R95019.25
Ordering code ANSI	R95019.25
Product Line	HYDRA
Gross weight - grams	33
Cutting diameter - millimeter (DC)	19.25 mm
Cutting diameter - inch (DC)	0.7579 inch
Head length - millimeter (LH)	13.5 mm
ANSI	R95019.25
ISO	R95019.25

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	436 ft/min	0.0176 inch/rev
P1.2 - Free machining sulfurized and phosphorized carbon steel with a hardness of < 180HB	help_outline Possible use	486 ft/min	0.0176 inch/rev
P1.3 - Free machining sulfurized/phosphorized and leaded carbon steel with a hardness of < 180HB	help_outline Possible use	505 ft/min	0.0176 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 Possible use	374 ft/min	0.0176 inch/rev
P2.2 - Plain medium carbon steel containing < 0.55%C with a hardness of < 240HB	help_outline Primary use	328 ft/min	0.0176 inch/rev
P2.3 - Plain high carbon steel containing > 0.55%C, with a hardness of < 300HB	help_outline Primary use	289 ft/min	0.0176 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	410 ft/min	0.0176 inch/rev
P3.2 - Alloy steel with a hardness of 180 - 260HB	help_outline Primary use	331 ft/min	0.0176 inch/rev
P3.3 - Alloy steel with a hardness of 260 - 360HB	help_outline Primary use	279 ft/min	0.0176 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	246 ft/min	0.0176 inch/rev
P4.2 - Tool steel with a hardness of 26 - 39RC	help_outline Primary use	207 ft/min	0.0176 inch/rev
P4.3 - Tool steel with a hardness of 39 - 45HRC	help_outline Primary use	171 ft/min	0.0073 inch/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	135 ft/min	0.0073 inch/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	115 ft/min	0.0073 inch/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	354 ft/min	0.0132 inch/rev
K2.2 - Malleable iron, ferritic or pearlitic with a hardness of 160 - 200HB	help_outline Primary use	289 ft/min	0.0132 inch/rev
K2.3 - Malleable iron, pearlitic with a hardness of 200 - 240HB	help_outline Primary use	230 ft/min	0.0132 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	315 ft/min	0.0132 inch/rev
K3.2 - Ductile (nodular/spheriodal) iron, ferritic or pearlitic with a hardness of 180 - 220HB	help_outline Primary use	240 ft/min	0.0132 inch/rev
K3.3 - Ductile (nodular/spheriodal) iron, pearlitic with a hardness of 220 - 260HB	help_outline Primary use	194 ft/min	0.0132 inch/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	292 ft/min	0.0132 inch/rev
K4.2 - Austenitic cast iron with a hardness of 180 - 240HB	help_outline Primary use	220 ft/min	0.0132 inch/rev
K4.3 - Austempered ductile iron with a hardness of 240 - 280HB	help_outline Primary use	161 ft/min	0.0132 inch/rev
K4.4 - Austempered ductile iron with a hardness of 280 - 320HB	help_outline Primary use	138 ft/min	0.0132 inch/rev
K4.5 - Austempered ductile iron with a hardness of 320 - 360HB	help_outline Primary use	115 ft/min	0.0132 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	328 ft/min	0.0132 inch/rev
K5.2 - Vermicular, compacted graphite iron with a hardness of 180 - 220HB	help_outline Primary use	249 ft/min	0.0132 inch/rev
K5.3 - Vermicular, compacted graphite iron with a hardness of 220 - 260HB	help_outline Primary use	190 ft/min	0.0132 inch/rev