Fine-Hole Electrode Tip (Tapered)
Tapered electrode with pointed tip for precision fine-hole EDM.
This is a dimension schematic, not a manufacturing drawing. Dimensions match the catalog data; request a quote with the part code to confirm before production.
Code & Size Table
Code, dimensions and tolerance for all 9 variants.
| Code | Diameter (mm) | Length (mm) | Feature | Tolerance | Std |
|---|---|---|---|---|---|
| ELEB-FIN-02 | 6 | 26 | taper | h6 · ⌀6: 0/−0.008 | Cu-ETP pointed tip |
| ELEB-FIN-03 | 6 | 30 | taper | h6 · ⌀6: 0/−0.008 | Cu-ETP pointed tip |
| ELEB-FIN-04 | 8 | 34 | taper | h6 · ⌀8: 0/−0.009 | Cu-ETP pointed tip |
| ELEB-FIN-05 | 8 | 38 | taper | h6 · ⌀8: 0/−0.009 | Cu-ETP pointed tip |
| ELEB-FIN-06 | 10 | 40 | taper | h6 · ⌀10: 0/−0.009 | Cu-ETP pointed tip |
| ELEB-FIN-08 | 12 | 44 | taper | h6 · ⌀12: 0/−0.011 | Cu-ETP pointed tip |
| ELEB-FIN-10 | 14 | 48 | taper | h6 · ⌀14: 0/−0.011 | Cu-ETP pointed tip |
| ELEB-FIN-12 | 16 | 52 | taper | h6 · ⌀16: 0/−0.011 | Cu-ETP pointed tip |
| ELEB-FIN-14 | 18 | 56 | taper | h6 · ⌀18: 0/−0.011 | Cu-ETP pointed tip |
Prices are for approved members.
Material & Tolerance
The standard material is listed below; also available in steel, stainless, brass and aluminium. Dimensions in mm; tolerances machined to ISO. Deviations (mm) are given for the nominal diameter according to the ISO 286-2 tables; thread tolerances (6g/6H) are to ISO 965. For custom sizes/tolerances, contact us with the part code.
Manufacturing Scope
Fine-Hole Electrode Tip (Tapered) is a Electrodes & EDM Tips family precision-turned on a Goodway SW-20, covering 9 variants — diameters ⌀6–18 mm, lengths 26–56 mm, standard material Brass (also steel, stainless steel or aluminium). Every variant's part code, dimension and tolerance is listed below; request a quote with the code you need.
The family is machined from ⌀18 mm bar stock; its longest variant is ELEB-FIN-14 at 56 mm. Besides turning, the family requires taper turning. All of it is completed in a single setup, without the part leaving the machine.
The variant with the highest length-to-diameter ratio is ELEB-FIN-03: 30 mm long at ⌀6 mm, L/D 5.0. This ratio is achievable on a conventional lathe as well; the sliding-head advantage in series work is that the part never leaves the machine, so the size does not drift from variant to variant.
Variants are machined to h6 tolerance; the smallest is ELEB-FIN-02 (⌀6 mm) and the largest ELEB-FIN-14 (⌀18 mm). The family includes tapered, multi-step variants. Custom sizes, tolerances or materials are produced to the part code on request.
Need a size that isn't listed? We machine to your drawing — CNC contract machining. How these parts are made: What is a Swiss-type lathe?
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