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HERMANN BILZ

BILZ piloted counterbore 180 degrees w. detachable pilot HSS T=4 size 4 32.0 mm

Brand: HERMANN BILZ

Length: 61 mm

Art.-no. 11540320

Manufacturer article no. A 320401


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Application

For producing 180° counterbores in connection with interchangeable pilots in steel, (stainless steel), non-ferrous metals, (cast) and special alloy material groups up to a strength of 1000 N/mm² in single part production.

Execution

  • profile-ground piloted counterbore with removable pilot with twisted cutting edge, with three cutting edges for diameters up to 17.5 mm, or four cutting edges as from 18.0 mm diameter

Advantage

  • very positive chip angle ensures a very soft cut in long-chipping materials up to 1000 N/mm2 and minimises the cutting forces
  • wide chip chambers for smooth chip removal
  • innovative cutting geometry provides excellent cutting performance and good finish quality
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Brand

HERMANN BILZ

Manufacturer Part Number

A 320401

Construction size

4

Spot-facer diameter (Dk8)

32 mm

Hole diameter of mount (D1)

6 mm

Manufactured part diameter (D2)

7.7 mm

Thread dimension (G)

M8

Projecting length (E)

38 mm

Length (L)

61 mm

Number of cutting edges

4 PCS

Cutting material

HSS

Gross Weight

0.100 kg

Material groups for cutting valuesDescription regarding DINStrength Class [N/mm²]Material No.Vc [m/min]f [mm/r] with diameterSuitability
1.00 Steels
1.01 Free machining steel9 S 20< 9001.071125-320.35-0.5
1.02 Structural steelST 37-2<5001.003725-320.35-0.5
1.03 Structural steelST 60-2> 5001.773525-300.35-0.5
1.04 Heat-treated steel42 CrMo 4<10001.722520-300.35-0.45
1.05 Cast ironGS-45<10001.044618-220.35-0.45
1.06 Case-hardened steel16 MnCr 5<12001.713118-250.32-0.45
1.07 Ferritic/martensitic stainless steelX 10 Cr 13<11001.400612-160.32-0.45
1.08 Heat-treated steel43 CrMo 4>10001.356312-150.32-0.45
1.09 Nitriding steel31 CrMoV 9<13001.85198-150.32-0.45
1.10 Tool steelX 38 CrMoV 5 1<13001.234310-170.32-0.45
2.00 Stainless steels
2.01 Austenitic stainless steelG-X 2 CrNiMo 18 15<11001.39538-120.32-0.45
3.00 Non-ferrous metals
3.01 Long-chipping aluminiumAI99.9<5003.030570-1000.42-0.53
3.02 Short-chipping aluminiumG-AISi12<5003.258140-800.42-0.53
3.03 Copper alloy bronze, long-chippingCuSn4<12002.101620-350.4-0.5
3.04 Copper alloy bronze, short-chippingCuNi12Zn24<8502.073020-350.4-0.5
3.05 Copper alloy brass, long-chippingCu Zn 20<6002.025030-500.42-0.53
3.07 ThermoplasticCu Zn 39 Pb 3<6002.038130-400.42-0.53
3.07 ThermoplasticPVC, Acrylglas<10030-400.42-0.53
3.08 DuroplastBakelit, Melamin<15030-400.42-0.53
3.09 Fibre-reinforced plasticsCFK, GFK<150030-400.42-0.53
3.10 GraphiteC8000<60 - -
3.11 Composite materials - -
4.00 Cast metal
4.01 Grey cast ironGG10<260 HB0.601016-250.32-0.45
4.02 Spheroidal graphite ironGGG 40<310 HB0.704016-250.32-0.45
4.03 Ductile ironGTW-55<280 HB0.805516-250.32-0.45
5.00 Special alloys
5.01 Titanium alloyTiAI5Sn2,5<12003.71158-150.32-0.45
5.02 Nickel-based alloyNiCr21Mo<14002.4858 - -
5.03 Super alloysX45CrSi 9 3<14001.4718 - -

Art.-no.
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