LET´S WORK TOGETHER.   Welcome to HAHN+KOLB France | For commercial customers only
ATORN stepped drill bit core hole centring, type N, HSS M8 8.4 mm HA - Stepped drill bit, short, type N, HSS ATORN stepped drill bit core hole centring, type N, HSS M8 8.4 mm HA - Stepped drill bit, short, type N, HSS
ATORN stepped drill bit core hole centring, type N, HSS M8 8.4 mm HA - Stepped drill bit, short, type N, HSS - 1
ATORN stepped drill bit core hole centring, type N, HSS M8 8.4 mm HA - Stepped drill bit, short, type N, HSS - 2
ATORN

ATORN stepped drill bit core hole centring, type N, HSS M8 8.4 mm HA

Brand: ATORN

Surface: Uncoated

Length: 88 mm

Art.-no. 11121008

Manufacturer article no. 10440191

EAN 4050293013221

All versions


Individual prices for customers after login

You need more information or have not found your desired product?

Application

Drilling of thread core holes in accordance with DIN 332-2, form D/DR. Simultaneous, precisely aligned insertion of centre hole, inlet for screw tap and thread core hole.

Execution

  • profile-ground

Advantage

  • precise alignment of drill diameter and countersink diameter, lower process costs
  • universal use, therefore tool costs are reduced to a minimum and user flexibility is increased
Product information

HAHN+KOLB Catalogue

CAD data (available after login)

Certificates/ Documents

 | 

 | 

Brand

ATORN

Main EAN Code

4050293013221

Manufacturer Part Number

10440191

Cutting material

HSS

Surface

Uncoated

Type

N

Angle of the tip

118 Degree

Tool holding device

HA parallel shank

Suitable for screw thread

M8

Pilot hole diameter (d1)

6.8 mm

Spot-facer diameter (d2)

8.4 mm

Pilot hole length (l3)

19 mm

Chip flute length (l1)

41 mm

Countersink length (l2)

23 mm

Length (L)

88 mm

Shank diameter (d3)

14 mm

f steel 700

0.08 mm/r

Gross Weight

0.065 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< 9001.071120-400.15-0.2⚫
1.02 Structural steelST 37-2<5001.003720-400.15-0.2⚫
1.03 Structural steelST 60-2> 5001.773520-380.15-0.2⚫
1.04 Heat-treated steel42 CrMo 4<10001.722520-300.15-0.2⚪
1.05 Cast ironGS-45<10001.044615-250.1-0.15⚪
1.06 Case-hardened steel16 MnCr 5<12001.713115-220.1-0.15⚪
1.07 Ferritic/martensitic stainless steelX 10 Cr 13<11001.40065-140.1-0.15
1.08 Heat-treated steel43 CrMo 4>10001.35635-120.1-0.15
1.09 Nitriding steel31 CrMoV 9<13001.85195-120.1-0.15
1.10 Tool steelX 38 CrMoV 5 1<13001.23435-100.1-0.15
2.00 Stainless steels
2.01 Austenitic stainless steelG-X 2 CrNiMo 18 15<11001.39535-120.1-0.15
3.00 Non-ferrous metals
3.01 Long-chipping aluminiumAI99.9<5003.030540-600.17-0.22⚪
3.02 Short-chipping aluminiumG-AISi12<5003.258130-500.17-0.22⚫
3.03 Copper alloy bronze, long-chippingCuSn4<12002.101615-250.15-0.2⚪
3.04 Copper alloy bronze, short-chippingCuNi12Zn24<8502.073015-250.15-0.2⚫
3.05 Copper alloy brass, long-chippingCu Zn 20<6002.025030-450.17-0.22⚪
3.07 ThermoplasticCu Zn 39 Pb 3<6002.038130-500.17-0.22⚫
3.07 ThermoplasticPVC, Acrylglas<10015-250.15-0.2
3.08 DuroplastBakelit, Melamin<15010-220.15-0.2
3.09 Fibre-reinforced plasticsCFK, GFK<150010-200.15-0.2
3.10 GraphiteC8000<605-100.15-0.2
3.11 Composite materials - -
4.00 Cast metal
4.01 Grey cast ironGG10<260 HB0.601015-200.15-0.2⚫
4.02 Spheroidal graphite ironGGG 40<310 HB0.704015-200.15-0.2⚫
4.03 Ductile ironGTW-55<280 HB0.805515-200.15-0.2⚫
5.00 Special alloys
5.01 Titanium alloyTiAI5Sn2,5<12003.71152-70.15-0.2
5.02 Nickel-based alloyNiCr21Mo<14002.48582-70.15-0.2
5.03 Super alloysX45CrSi 9 3<14001.47182-70.15-0.2

Art.-no.
Cust. Mat. No.

Hazardous Material

Product information

HAHN+KOLB Catalogue

CAD data (available after login)

Certificates/ Documents

 | 

 | 

Technical information
Show all product details