ATORN stepped drill bit core hole centring, type N, HSS M4 4.3 mm HA
Brand: ATORN
Surface: Uncoated
Length: 63 mm
Art.-no. 11121004
Manufacturer article no. 10440188
EAN 4050293013191
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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
 | |
Brand | ATORN |
Main EAN Code | 4050293013191 |
Manufacturer Part Number | 10440188 |
Cutting material | HSS |
Surface | Uncoated |
Type | N |
Angle of the tip | 118 Degree |
Tool holding device | HA parallel shank |
Suitable for screw thread | M4 |
Pilot hole diameter (d1) | 3.3 mm |
Spot-facer diameter (d2) | 4.3 mm |
Pilot hole length (l3) | 11 mm |
Chip flute length (l1) | 23 mm |
Countersink length (l2) | 12.6 mm |
Length (L) | 63 mm |
Shank diameter (d3) | 8 mm |
f steel 700 | 0.04 mm/r |
Product Group | 112 |
Gross Weight | 0.016 kg |
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