Classification
- Category
- Drilling → Centre / spot drills
- ISO 13399
- Spotting / centring tool
Owned item · Spot drill
NC spot drill D8/90°
A 90° centre / spot drill, Ø8 mm — Hoffmann 112020 8. Spots true centres before drilling so the bit doesn't walk.
8.000mm
Dc Cutting diameter
90°
SIG Point angle
79mm
Ltot Overall length
8mm
DCON Shank diameter
2
Z Number of flutes
In stock
14 on hand · crib A·3
Engineering parameters
All thirteen, grouped to scan
The full ISO 13399 set — geometry, performance, coolant and material in one view, with nothing hidden behind a tab.
Geometry
- DcCutting diameter
- 8.000 mm
- LsCutting edge length
- 4.000 mm
- L4Maximum usable length
- 25.000 mm
- LtotOverall length
- 79.000 mm
- XsLength for tool assembly
- 41.000 mm
Performance
- SIGPoint angle
- 90.000 °
- ZNumber of flutes
- 2
- λHelix angle
- 0.000 °
Coolant
- CFECoolant entry
- External
- TCHThrough coolant
- No
Material
- SUBSubstrate
- HSS-Co
- COATCoating
- TiN
- mWeight
- 0.03 kg
Where it's used
One assembly, two machine-side fits
The relationships the old tabs kept apart — assemblies, machine side and workpiece side — read together here.
Spot & drill Ø8 cycleASM-0007
Machine side (2)
- HSK-A63 · ER25 collet chuck
- BT40 · ER25 collet chuck
Workpiece side (0)
No workpiece-side connections on this item.
Record details
Everything else on file
Classification, connections, notes and files — collapsed in the old layout, surfaced here as a calm grid.