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Solid carbide H7 machine reamer similar to DIN 8093

NC machine reamer H7 SC EU DIN 8093 similar
MAREAMER-SC-D6,5H7

Art.-no. 5443200017
EAN 4055375884331
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Solid carbide H7 machine reamer similar to DIN 8093

Art.-no. 5443200017

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Quantity
PU
x 1 pcs

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Spirally fluted design, 8° left-hand spirals, predominantly suitable for through holes in all ferrous and non-ferrous metals.
Notice
  • Version with extremely uneven pitch

  • H6 integral shaft diameters

  • Dia. 1.4-12.0 mm solid carbide

  • Dia. 14.0-20.0 mm only solid carbide head

Product code

5210

Material to be processed

Steel, Cast metal, Stainless steel, Titanium, Copper, Brass, Aluminium

Cutting edge diameter (d1)

6.5 mm

Shank diameter (d2)

6 mm

Length (l1)

101 mm

Cutting edge length (l2)

28 mm

Projecting length (l3)

65 mm

Number of cutting edges (Z)

6 PCS

Core hole diameter

6.30 mm

Standards

DIN 8093 similar

Form

B

Cutting material

SC

Surface

Uncoated

Groove type

Left-hand twist, 8°

Shank style

Cylindrical DIN 6535-HA

Tolerance of fit

H7

Max. drilling depth (D)

8xD

Hole type

Clearance hole

Coolant supply

External

Service life (points system)

4 of 4 points

Versatility (points system)

4 of 4 points

Tolerance of cutting edge diameter

h7

Tolerance of shank diameter

h6

Material of sub-group

General structural steels, Non-alloyed tempering steels < 1000 N/mm², Alloyed tempering steels < 1000 N/mm², Nitriding steels < 1300 N/mm², Grey cast iron, Malleable cast iron, Stainless steels < 850 N/mm², Stainless steels > 850 N/mm², Titanium, Titanium alloys, Copper, Brass, Aluminium

Cutting values
For dia. 1.4-9.9
Material designation Tensile strength Cooling vc fz
from to Dia. 1.4-1.9 Dia. 2-4.9 Dia. 5-7.9 Dia. 8-9.9
Steels
General structural steels < 500 N/mm² O/E 10 15 0,090 0,120 0,150 0,180
500-850 N/mm² O/E 8 12 0,090 0,120 0,150 0,180
Carbon steels < 850 N/mm² O/E 8 12 0,090 0,120 0,150 0,180
850-1,000 N/mm² O/E 7 9 0,090 0,120 0,150 0,180
Unalloyed quenched and tempered steels < 700 N/mm² O/E 10 15 0,090 0,120 0,150 0,180
700-850 N/mm² O/E 8 12 0,090 0,120 0,150 0,180
850-1,000 N/mm² O/E 7 9 0,090 0,120 0,150 0,180
Alloyed quenched and tempered steels 850-1,000 N/mm² O/E 8 12 0,090 0,120 0,150 0,180
1,000-1,200 N/mm² O/E 6 10 0,072 0,096 0,120 0,150
Unalloyed case-hardening steels < 750 N/mm² O/E 10 15 0,090 0,120 0,150 0,180
Alloyed case-hardening steels < 1000 N/mm² O/E 8 12 0,090 0,120 0,150 0,180
1,000-1,200 N/mm² O/E 6 10 0,072 0,096 0,120 0,150
Nitriding steels < 1000 N/mm² O/E 8 12 0,090 0,120 0,150 0,180
1,000-1,200 N/mm² O/E 6 10 0,072 0,096 0,120 0,150
Tool steels < 850 N/mm² O/E 8 12 0,090 0,120 0,150 0,180
850-1,100 N/mm² O/E 6 10 0,072 0,096 0,120 0,150
1,100-1,400 N/mm² O/E 5 7 0,072 0,096 0,120 0,150
High-speed steels 850-1,200 N/mm² O/E 5 7 0,072 0,096 0,120 0,150
Wear-resistant constructional steel 1,350 N/mm² E 6 10 0,072 0,096 0,120 0,150
Spring steels < 1,200 N/mm² E 6 10 0,072 0,096 0,120 0,150
Stainless steels
Sulphurated stainless steels < 700 N/mm² E 10 15 0,090 0,120 0,150 0,180
Austenitic stainless steels < 700 N/mm² E 10 15 0,090 0,120 0,150 0,180
< 850 N/mm² E 8 12 0,090 0,120 0,150 0,180
Martensitic stainless steels < 1,100 N/mm² E 6 10 0,072 0,096 0,120 0,150
Special alloys < 1,200 N/mm² E 6 10 0,072 0,096 0,120 0,150
Titanium, titanium alloys < 850 N/mm² E 8 12 0,090 0,120 0,150 0,180
Cast metals
Cast iron < 180 HB T/O 8 15 0,090 0,120 0,150 0,180
> 180 HB T/O 6 12 0,072 0,096 0,120 0,150
Spheroidal graphite, malleable iron > 180 HB T/E 8 12 0,090 0,120 0,150 0,180
> 260 HB T/E 8 12 0,090 0,120 0,150 0,180
Non-ferrous metals
Aluminium, aluminium alloys < 530 N/mm² E 20 30 0,120 0,160 0,200 0,260
Aluminium, cast aluminium alloys < 10 % Si < 600 N/mm² E 15 30 0,120 0,160 0,200 0,260
Aluminium, cast aluminium alloys > 10 % Si < 600 N/mm² E 15 30 0,120 0,160 0,200 0,260
Magnesium, magnesium alloys < 280 N/mm² E 20 30 0,120 0,160 0,200 0,260
Low-alloy copper < 350 N/mm² E 20 30 0,180 0,240 0,300 0,360
Short-chipping brass < 600 N/mm² T/E 15 25 0,120 0,160 0,200 0,260
Long-chipping brass < 600 N/mm² T/E 15 25 0,120 0,160 0,200 0,260
Short-chipping bronze < 600 N/mm² T/E 15 25 0,120 0,160 0,200 0,260
650-850 N/mm² T/E 10 15 0,120 0,160 0,200 0,260
Long-chipping bronze < 850 N/mm² T/E 10 15 0,120 0,160 0,200 0,260
850-1,200 N/mm² T/E 8 15 0,120 0,160 0,200 0,260
Graphite - T 8 15 0,090 0,120 0,150 0,180
Key
O = oil
E = emulsion
T = dry
vc = cutting speed [m/min]
fz = feed [mm/r]
The suggested cutting values are reference values and must be adapted to the respective conditions.
Cutting values
For dia. 10-20
Material designation Tensile strength Cooling vc fz
from to Dia. 10-14.9 Dia. 15-19.9 Dia. 20
Steels
General structural steels < 500 N/mm² O/E 10 15 0,200 0,250 0,300
500-850 N/mm² O/E 8 12 0,200 0,250 0,300
Carbon steels < 850 N/mm² O/E 8 12 0,200 0,250 0,300
850-1,000 N/mm² O/E 7 9 0,200 0,250 0,300
Unalloyed quenched and tempered steels < 700 N/mm² O/E 10 15 0,200 0,250 0,300
700-850 N/mm² O/E 8 12 0,200 0,250 0,300
850-1,000 N/mm² O/E 7 9 0,200 0,250 0,300
Alloyed quenched and tempered steels 850-1,000 N/mm² O/E 8 12 0,200 0,250 0,300
1,000-1,200 N/mm² O/E 6 10 0,150 0,180 0,200
Unalloyed case-hardening steels < 750 N/mm² O/E 10 15 0,200 0,250 0,300
Alloyed case-hardening steels < 1000 N/mm² O/E 8 12 0,200 0,250 0,300
1,000-1,200 N/mm² O/E 6 10 0,150 0,180 0,200
Nitriding steels < 1000 N/mm² O/E 8 12 0,200 0,250 0,300
1,000-1,200 N/mm² O/E 6 10 0,150 0,180 0,200
Tool steels < 850 N/mm² O/E 8 12 0,200 0,250 0,300
850-1,100 N/mm² O/E 6 10 0,150 0,180 0,200
1,100-1,400 N/mm² O/E 5 7 0,150 0,180 0,200
High-speed steels 850-1,200 N/mm² O/E 5 7 0,150 0,180 0,200
Wear-resistant constructional steel 1,350 N/mm² E 6 10 0,150 0,180 0,200
Spring steels < 1,200 N/mm² E 6 10 0,150 0,180 0,200
Stainless steels
Sulphurated stainless steels < 700 N/mm² E 10 15 0,200 0,250 0,300
Austenitic stainless steels < 700 N/mm² E 10 15 0,200 0,250 0,300
< 850 N/mm² E 8 12 0,200 0,250 0,300
Martensitic stainless steels < 1,100 N/mm² E 6 10 0,150 0,180 0,200
Special alloys < 1,200 N/mm² E 6 10 0,150 0,180 0,200
Titanium, titanium alloys < 850 N/mm² E 8 12 0,200 0,250 0,300
Cast metals
Cast iron < 180 HB T/O 8 15 0,200 0,250 0,300
> 180 HB T/O 6 12 0,200 0,250 0,300
Spheroidal graphite, malleable iron > 180 HB T/E 8 12 0,200 0,250 0,300
> 260 HB T/E 8 12 0,200 0,250 0,300
Non-ferrous metals
Aluminium, aluminium alloys < 530 N/mm² E 20 30 0,300 0,180 0,200
Aluminium, cast aluminium alloys < 10 % Si < 600 N/mm² E 15 30 0,300 0,350 0,400
Aluminium, cast aluminium alloys > 10 % Si < 600 N/mm² E 15 30 0,300 0,350 0,400
Magnesium, magnesium alloys < 280 N/mm² E 20 30 0,300 0,350 0,400
Low-alloy copper < 350 N/mm² E 20 30 0,400 0,450 0,500
Short-chipping brass < 600 N/mm² T/E 15 25 0,300 0,350 0,400
Long-chipping brass < 600 N/mm² T/E 15 25 0,300 0,350 0,400
Short-chipping bronze < 600 N/mm² T/E 15 25 0,300 0,350 0,400
650-850 N/mm² T/E 10 15 0,300 0,350 0,400
Long-chipping bronze < 850 N/mm² T/E 10 15 0,300 0,350 0,400
850-1,200 N/mm² T/E 8 15 0,300 0,350 0,400
Graphite - T 8 15 0,200 0,250 0,300

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