
LNHU 130631 Milling Inserts
Compare suitable materials and applications, then choose a brand to view the exact SKUs.
- ISO Code
- LNHU130631
- Insert Size
- 130631
- Shape
- L
Find the Right Option
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Brands
All available options for this parent model.

A rectangular 90° milling insert with 2 cutting edges, LNHU 130631 is stocked here in 2 variants from Achteck. Published applications cover Steel, Stainless steel, Heat-resistant alloys. Key dimensions: 6.8 mm inscribed circle, 9.84 mm thickness, 3.1 mm nose radius.
Milling inserts are chosen to match the cutter body — lead angle, number of teeth and the geometry designated by the manufacturer. The milling insert selection guide walks through that; this page lists what we actually hold in LNHU 130631.
Geometry and dimensions
| Insert family | LNHU |
|---|---|
| Category | Milling Inserts |
| Shape | rectangular 90° (L) |
| Usable cutting edges | 2 |
| Inscribed circle (IC) | 6.8 mm |
| Thickness (S) | 9.84 mm |
| Nose radius (RE) | 3.1 mm |
| Fixing hole diameter (D1) | 4.5 mm |
| Hand | Right |
| Variants in stock | 2 |
| Brands | Achteck |
Carbide grades available
2 variants of LNHU 130631 are stocked in these grades: AP351U, AP403M.
Across this range the grades specified most often are AP351U, AP403M. Within one brand's range, a higher middle digit usually means a tougher grade — better on interrupted cuts, slightly less wear resistant. See carbide grades explained for how to read the names.
Chipbreaker geometries
Chipbreakers stocked for LNHU 130631: MR2.
For milling, the geometry code marks the intended duty — sharper for light cuts and better finish, stronger for scale and interruption. Milling insert selection guide.
Typical applications
- Shoulder Milling
- Face Milling
- Slot Milling
For more on cutting steel, see our material-specific guide.