(D2321) HSSCo8% (M42) NC Spotting Drill 90° (Long Length)
- SKU
- D2321030
Key features
- 90° HSS Co8 NC spotting drill with bright finish
- Long-length design for precise NC/CNC centring
- Large diameter supports continuous chamfering after centring
Made in South Korea
Precise machine centring
Designed for more precise centring work on NC/CNC machines.
Centre and chamfer
Large tool diameters permit continuous chamfering after the centring operation.
Long-length selection
Nine diameters from 3.0 to 20.0 mm support varied machining requirements.
| SKU | Drill Diameter (mm) | Overall length (mm) | Stock | Price | Qty | Add |
|---|---|---|---|---|---|---|
| D2321030 | 3.0 | 80.0 | Quantity unavailable | $19.30 | ||
| D2321040 | 4.0 | 100.0 | Low stock | $19.30 | ||
| D2321050 | 5.0 | 120.0 | 1-2 Weeks | $23.50 | ||
| D2321060 | 6.0 | 140.0 | In stock | $23.50 | ||
| D2321080 | 8.0 | 140.0 | In stock | $27.40 | ||
| D2321100 | 10.0 | 170.0 | Low stock | $33.40 | ||
| D2321120 | 12.0 | 170.0 | In stock | $42.80 | ||
| D2321160 | 16.0 | 200.0 | 1-2 Weeks | $87.30 | ||
| D2321200 | 20.0 | 200.0 | Low stock | $117.20 |
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- Specifications
- Work Material
- Reviews
YG-1 D2321 is a long-length 90° HSS Co8 NC spotting drill for precise NC/CNC centring. The large drill diameter also permits continuous chamfering after centring, combining two supported machining operations. Bright-finish D2321 drills suit non-alloy, low-alloy and high-alloy steels, stainless steel, cast irons, aluminium, and copper alloys. The range covers 3.0 to 20.0 mm drill diameters, with 80 to 200 mm overall lengths. Flute lengths span 12 to 40 mm across the listed D2321 sizes. Specified diameters allow the spotting tool to establish accurate starting positions before subsequent drilling. An HSS Co8 construction defines the D2321 series cutting tool material.
- 90° HSS Co8 NC spotting drill with bright finish
- Long-length design for precise NC/CNC centring
- Large diameter supports continuous chamfering after centring
- 3.0 to 20.0 mm drill diameter range
- 80 to 200 mm overall length range
- Recommended for steels stainless steel cast irons aluminium and copper alloys
| Surface Treatment | Bright |
Work materials
VDI 3323 recommendations for this tool.
Steel
5 gradesCast iron
4 gradesStainless steel
1 gradeNon-ferrous materials
3 gradesVDI grade reference13 grades
Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.
| VDI | Work material | Recommendation | HB ref. | HRC ref. |
|---|---|---|---|---|
| 1 | PNon-alloy steel | Excellent | 125 | - |
| 2 | PNon-alloy steel | Excellent | 190 | 13 |
| 3 | PNon-alloy steel | Excellent | 250 | 25 |
| 6 | PLow-alloy steel | Excellent | 180 | 10 |
| 7 | PLow-alloy steel | Good | 275 | 29 |
| 12 | MStainless steel | Good | 200 | 15 |
| 15 | KGrey cast iron | Excellent | 180 | 10 |
| 16 | KGrey cast iron | Good | 260 | 26 |
| 17 | KNodular cast iron | Good | 160 | 3 |
| 19 | KMalleable cast iron | Good | 130 | - |
| 21 | NWrought aluminium | Good | 60 | - |
| 22 | NWrought aluminium | Good | 100 | - |
| 23 | NCast aluminium | Good | 75 | - |
No grades match your search.
HB and HRC values are nominal catalogue references. Grade subdivisions can vary between catalogues.
Recommendations apply to the listed VDI grades. Unlisted grades have no stated recommendation.
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