
Turbine Blade Die Insert
MATERIAL
H13 Tool Steel
HARDNESS
62 HRC
TOLERANCE
±0.0001"
Ra FINISH
Ra 0.12 μm
CYCLE TIME
38 hrs
Copper electrodes into hardened steel, controlled by arc discharge, measured in tenths. We serve aerospace tooling, injection mold shops, and medical device manufacturers who need cavity tolerances that end mills cannot hold.
±0.0001"
BEST TOLERANCE
62 HRC
MAX HARDNESS
0.1 μm
MIN Ra FINISH
47+
CASE STUDIES
All values verified per ASME Y14.5-2018 · Updated 2026-02-24
| MATERIAL | GRADE | HARDNESS | TOL X/Y | TOL Z | Ra FINISH | MRR | CLASS |
|---|---|---|---|---|---|---|---|
| H13 Tool Steel | AISI H13 | 48–62 HRC | ±0.0001" | ±0.0001" | 0.1 μm | 0.8 in³/hr | CRITICAL |
| D2 Tool Steel | AISI D2 | 58–62 HRC | ±0.0001" | ±0.0002" | 0.2 μm | 0.6 in³/hr | CRITICAL |
| M2 High Speed Steel | AISI M2 | 62–65 HRC | ±0.0002" | ±0.0002" | 0.2 μm | 0.5 in³/hr | TIGHT |
| Titanium | Ti-6Al-4V | 36 HRC | ±0.0002" | ±0.0002" | 0.15 μm | 0.4 in³/hr | CRITICAL |
| Inconel | 718 | 44 HRC | ±0.0002" | ±0.0003" | 0.3 μm | 0.3 in³/hr | TIGHT |
| Tungsten Carbide | WC-Co 6% | 90+ HRA | ±0.0003" | ±0.0003" | 0.15 μm | 0.15 in³/hr | TIGHT |
| Copper Beryllium | C17200 | 40 HRC | ±0.0001" | ±0.0001" | 0.1 μm | 1.2 in³/hr | CRITICAL |
| P20 Mold Steel | AISI P20 | 28–34 HRC | ±0.0001" | ±0.0001" | 0.1 μm | 1.0 in³/hr | STANDARD |
Tolerance values represent achievable limits under optimized flushing conditions with fresh dielectric. Actual achievable tolerance depends on geometry, aspect ratio, and material lot. All finishes CMM-verified.
MACHINES RUNNING
4/6
UTILIZATION
67%
LEAD TIME
5–8 DAYS
JOBS IN QUEUE
14
| MACHINE ID | MODEL | TYPE | STATUS | ACTIVE JOB | MATERIAL | PROGRESS | ETA |
|---|---|---|---|---|---|---|---|
| EDM-01 | Makino EDGE3 | SINKER | RUNNING | Aerospace Die Insert | H13 · 62 HRC | 73% | 4h 12m |
| EDM-02 | Makino EDGE3 | SINKER | RUNNING | Injection Mold Core | D2 · 60 HRC | 41% | 8h 55m |
| EDM-03 | Sodick AG40L | SINKER | SETUP | Ti-6Al-4V Implant | Ti-6Al-4V · 36 HRC | — | ~2h setup |
| EDM-04 | Sodick AG40L | SINKER | RUNNING | Carbide Punch Die | WC-Co · 90 HRA | 88% | 1h 08m |
| EDM-05 | Mitsubishi EA8 | SINKER | IDLE | — | — | — | Available |
| WIRE-01 | Sodick AQ600L | WIRE | RUNNING | Parting Line Trim | P20 · 32 HRC | 62% | 3h 40m |
SHIFTS RUNNING
3 × 8hr · 24/5
NEXT AVAILABLE SLOT
MON 2026-03-02 · 06:00 EST
RUSH AVAILABILITY
Contact for expedite pricing
Every tolerance listed was measured on a Zeiss Contura CMM · All finishes profilometer-verified

MATERIAL
H13 Tool Steel
HARDNESS
62 HRC
TOLERANCE
±0.0001"
Ra FINISH
Ra 0.12 μm
CYCLE TIME
38 hrs

MATERIAL
Ti-6Al-4V
HARDNESS
36 HRC
TOLERANCE
±0.0002"
Ra FINISH
Ra 0.1 μm
CYCLE TIME
22 hrs

MATERIAL
D2 Tool Steel
HARDNESS
60 HRC
TOLERANCE
±0.0001"
Ra FINISH
Ra 0.15 μm
CYCLE TIME
54 hrs

MATERIAL
Tungsten Carbide
HARDNESS
90+ HRA
TOLERANCE
±0.0003"
Ra FINISH
Ra 0.18 μm
CYCLE TIME
16 hrs

MATERIAL
Inconel 718
HARDNESS
44 HRC
TOLERANCE
±0.0002"
Ra FINISH
Ra 0.3 μm
CYCLE TIME
67 hrs

MATERIAL
CuBe C17200
HARDNESS
40 HRC
TOLERANCE
±0.0001"
Ra FINISH
Ra 0.08 μm
CYCLE TIME
12 hrs
Response within 4 business hours · DFM feedback included at no charge
12-page PDF: machine specs, tolerance ranges, material compatibility, AS9100D scope, and CMM inspection capabilities.
Talk directly to a process engineer — no sales staff.
+1 (313) 555-0147
Mon–Fri · 06:00–18:00 EST