Consumables
Consumables
Original consumable parts for resistance welding machines — electrodes, ceramic pins, and more.
Electrodes
Electrodes for Standard Machines
Replacement electrodes for Kočevar standard spot welding machines. Available in various taper sizes to match your electrode holders.
Electrode Holder Sizes
Compatible electrode holders available in various diameters and lengths.
| ∅D (mm) | H (mm) | Type |
|---|---|---|
| 16 | 135 | PE-4/D |
| 16 | 185 | PE-4/I |
| 19 | 185 | PE-8/A |
| 19 | 300 | PE-8/C |
| 20 | 185 | PE-8/185 |
| 20 | 300 | PE-8/300 |
| 25 | 185 | PE-16/185 |
| 25 | 250 | PE-16/250 |
| 25 | 300 | PE-16/300 |
| 30 | 185 | PE-30/185 |
| 30 | 300 | PE-30/300 |
Electrodes, Taper 12
For suspended spot welding guns RP-96-4, RP-96-6 and bench spot welder RP-84
| Type | Description |
|---|---|
| E-53/8 | Off centre point electrode |
| E-54/8 | Central point electrode |
| E-52/8 | Roll electrode ∅22 mm |
| E-55/8 | Roll electrode ∅30 mm |
| E-60/8 | Flat electrode ∅30 mm |
| E-100 | Forged electrode with cap type point |
Electrodes, Taper 16
For suspended spot welding guns RP-96-4, RP-96-6 and bench spot welder RP-84
| Type | Description |
|---|---|
| E-13/99 | Off centre point electrode |
| E-14/99 | Shaped electrode |
| E-15/99 | Central point electrode |
Electrodes, Taper 18
For bench spot welder RP-84, RP-84 Inverter and suspended spot welding guns RP-96
| Type | Description |
|---|---|
| E-73 | Central point electrode |
| E-74 | Off centre point electrode |
| E-75 | Special contoured electrode |
| E-59/16 | Flat electrode ∅30 mm |
| E-78 | Roll electrode ∅30 mm |
| E-89 | Dowel for E-75 |
| E-90 | E-100 adaptor |
| E-100 | Forged electrode (to use with E-90) |
Electrodes, Taper 20 CON
For welding columns RS-81, RB-81, RP-81, RT-94 and welding guns RP-96
| Type | Description |
|---|---|
| E-71/30 | Central point electrode |
| E-72/30 | Off centre point electrode |
| E-86/30 | Flat electrode ∅30 mm |
| E-88/30 | Electrode holder for cutter electrode (without electrode) |
| E-92 | E-100 Adaptor |
| E-100 | Forged electrode (to use with E-90) |
| E-95 | Cutter type electrode for PEG-5 |
Electrode Caps for Automotive Industry
Premium cold-formed resistance spot welding electrode caps — trusted by automotive OEM and Tier suppliers globally. Available in various copper alloys for different welding applications.
Electrodes A
Universal cap electrode for resistance welding of light-to-medium gauge coated and uncoated steels. Freedom from oxygen allows optimal alloying with chrome and zirconium.
| Alloy | CuCrZr |
| Standard | C18150, RWMA Class II |
| Hardness | Min. 80 HRB |
| Conductivity | Min. 80% IACS |
| Tensile strength | ≥ 490 N/mm² |
| Yield strength | ≥ 430 N/mm² |
| Softening temp. | Min. 500°C |
Applications
Male and female resistance welding electrodes, backing dies, seam welding wheels, projection welding electrodes
Electrodes Z
Ideal cap electrode for light-to-medium gauge coated and uncoated steels and aluminum alloys. The electrode of choice for reducing spatter in welding.
| Alloy | CuZr |
| Standard | C15000, RWMA Class I |
| Hardness | Min. 65 HRB |
| Conductivity | Min. 85% IACS |
| Tensile strength | ≥ 420 N/mm² |
| Yield strength | ≥ 379 N/mm² |
| Softening temp. | 1083°C |
Applications
Male and female resistance welding electrodes, backing dies, projection welding electrodes
Electrodes C
Dispersion strengthened copper with aluminum oxide. Consistently outperforms CuCr and CuCrZr electrodes in resistance to annealing, electrode life and lower maintenance costs.
| Alloy | CuAl₂O₃ (DSC) |
| Standard | C15725, RWMA Class 20 |
| Hardness | 72 HRB |
| Conductivity | 87% IACS |
| Tensile strength | 393–441 MPa |
| Yield strength | 310–358 MPa |
| Softening temp. | 1083°C |
Applications
Male and female resistance welding electrodes, backing dies, projection welding electrodes
Advantages
- Longer weld life
- Anti-stick characteristics
- Reduces energy requirements
- Works on all steels
- Resists mushrooming
Electrodes N
Dispersion strengthened copper with aluminum oxide. Superior weld performance on a variety of steels. Resists mushrooming on the contact surface, allowing more welds before tip dressing.
| Alloy | CuAl₂O₃ (DSC) |
| Standard | C15760, RWMA Class 20 |
| Hardness | 83 HRB |
| Conductivity | 78% IACS |
| Tensile strength | 489–537 MPa |
| Yield strength | 393–441 MPa |
| Softening temp. | 1083°C |
Applications
Male and female resistance welding electrodes, backing dies, projection welding electrodes
Advantages
- Longer weld life
- Non-stick
- Reduces energy requirements
- Works on all steels
- Lowers manufacturing costs
Electrodes H
High purity copper alloy ideal for welding 5000, 6000 and 7000 grade aluminum. The most cost-effective electrode for welding aluminum with conventional resistance spot welding equipment.
| Alloy | High-purity Cu |
| Standard | High conductivity copper |
| Conductivity | Min. 92% IACS |
Applications
Resistance spot welding of aluminum alloys using conventional equipment
Advantages
- Compatible with conventional spot welding equipment
- Increased productivity
- Cost-effective for aluminum welding
- High conductivity
- Non-stick properties
Ceramic Pins
Coming soon — ceramic pin consumables for projection welding.
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