Standard range below. Non-standard angles, diameters, shanks and coatings are available on request.
| Angle | Typical use | Cross-hole countersink | Chamfer cutter | Counterbore / spot tool |
|---|---|---|---|---|
| 60° | Small countersinks, thin plate | CS-60 | CC-60 | CB-60 |
| 82° | Inch / ANSI flat head screws | CS-82 | CC-82 | CB-82 |
| 90° | Metric flat head screws (most common) | CS-90 | CC-90 | CB-90 |
| 100° | Aerospace countersinks | CS-100 | CC-100 | CB-100 |
| 110° | Special countersinks | CS-110 | CC-110 | CB-110 |
| 120° | Thin plate / low-profile heads | CS-120 | CC-120 | CB-120 |
Ø8 / 10 / 12 / 14 / 16 / 20 / 25 / 30 mm standard; other sizes on request.
HSS-E cobalt high speed steel (5–8% Co), hardness HRC64–67.
TiN (general steel) or TiAlN (stainless, aluminum, high temperature).
Straight shank Ø6 / 8 / 10 / 12 mm; custom shanks available.
Single flute for cross-hole and thin plate; multi-flute for fast chamfering.
MOQ from 10 pcs per size, samples available for trial cutting.
| Work material | Speed | Feed | Note |
|---|---|---|---|
| Carbon / alloy steel | 1000–1500 rpm | 80–150 mm/min | Flood coolant |
| 304 / 316 stainless | 800–1200 rpm | 60–120 mm/min | Coolant, avoid work hardening |
| Aluminum | 1500–2500 rpm | 100–200 mm/min | Prevent built-up edge |
| Thin plate 1–3 mm | 1200–1800 rpm | 50–100 mm/min | Step down, back support |
Values are starting points — adjust to your machine rigidity and run a first-piece trial.
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