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Drilling tools
Centre drills

Solid carbide centre drill form A DIN 333 Metal cutting tools
For universal use up to 1300 N/mm 2

Form HA
VHM A
Application: ƒ Solid carbide cutting material ensures a broad
For centre drilling on CNC machines. application range and an extremely long service
life in series production
Execution: ƒ Radial grinding relief to ensure optimum chip
ƒ Spiral-fluted design with grinding relief breaking
Advantage:
ƒ Profile-ground with highest requirements for
process stability and concentricity
Application Steel (N/mm ) 2 Stainless steel Alu Brass Bronze Plas- Graphite GG(G) Titan- Nickel- Super- Hard mat.
No. <700 <1000 <1300 marten. austen. short long short long short long tics G(C)FK GjMW alloy alloy alloy <55 HRC <65 HRC
11008 80 60 40 30 25 180 190 70 60 60 50 40 40 60 20 20 20 4
11008...
Ident. No.
mm mm mm
1 3.15 1.3-1.6 mm 010 O. R.
1.25 3.15 1.6-1.9 mm 012 O. R.
1.6 4 2-2.4 mm 016 O. R.
2 5 2.5-2.9 mm 020 O. R.
2.5 6.3 3.1-3.6 mm 025 O. R.
3.15 8 3.9-4.4 mm 031 O. R.
4 10 5-5.6 mm 040 O. R.
Unit price, €
Prod. group 101
Centre drill with bulge HSS type W DIN 333
For universal use up to 1000 N/mm 2

HA
HSS
Application: Advantage:
For centre drilling on conventional and CNC ƒ Profile-ground with highest requirements for
machines. process stability and concentricity
Execution: ƒ Bulge ensures additional room for lubricant
ƒ Spiral-fluted design with grinding relief ƒ Radial grinding relief to ensure optimum chip
breaking
Application Steel (N/mm ) 2 Stainless steel Alu Brass Bronze Plas- Graphite GG(G) Titan- Nickel- Super- Hard mat.
No. <700 <1000 <1300 marten. austen. short long short long short long tics G(C)FK GjMW alloy alloy alloy <55 HRC <65 HRC
11005 40 20 10 10 50 80 40 35 35 30 20 10 20
f steel 700 ˜ (mm/U) 11005...
ID no.
mm mm mm mm
1 3.15 1.3-1.6 mm 31.5 0.02 010 O. R.
1.6 4 2-2.4 mm 30.3 0.03 016 O. R.
2 5 2.5-2.9 mm 40 0.04 020 O. R.
2.5 6.3 3.1-3.6 mm 45 0.05 025 O. R.
3.15 8 3.9-4.4 mm 50 0.05 031 O. R.
4 10 5-5.6 mm 56 0.06 040 O. R.
5 12.5 6.3-6.9 mm 63 0.07 050 O. R.
Unit price, €
Prod. group 101

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