Product family
Terminals and Contacts
Crimp, screw, spring and pin terminals in copper and brass, with plating thickness and contact faces controlled.
Direct answer: we make terminals and contact parts in copper, brass and phosphor bronze by stamping or machining, with plating from 1 to 15 µm (tin, silver, nickel or zinc) and contact features held to ±0.02 mm. Parts are supplied loose or on tape, with RoHS declarations and plating reports per batch.
Types we make
- Crimp terminals – ring, fork, spade and butt splices
- Screw and clamp terminals with threaded inserts
- Spring contacts, clips and battery contacts
- Male and female pins, sockets and contact sleeves
- Busbar connection lugs and cable shoes
- Earth and grounding terminals with defined contact faces
Specification range
| Parameter | Range / value | Note |
|---|---|---|
| Material | C11000, C2680, C2801, phosphor bronze, nickel-plated steel | Spring parts use spring temper alloys |
| Thickness | 0.2 – 3 mm strip | Machined terminals from bar 3 – 40 mm |
| Contact tolerance | ±0.02 mm | Formed body ±0.05 mm |
| Plating | Tin 1 – 10 µm, silver 1 – 5 µm, nickel 3 – 10 µm, zinc 5 – 15 µm | Adhesion tested after bending |
| Contact force | Agreed per drawing for spring contacts | Cycle life stated with the force |
| Packing | Loose, tray, tape on reel | Reel pitch agreed for automation |
What decides the price
- Plating system and thickness – silver and selective plating cost more than overall tin
- Number of forming stations – a part that needs four bends needs a die with four stations
- Material – phosphor bronze costs more than brass and is chosen for fatigue life
- Inspection – contact force and resistance checks add time per batch
- Packing – tape on reel costs more than loose parts but saves assembly time
Design rules
- State the plating on the contact zone and whether selective plating is acceptable – it reduces cost.
- Give the contact force and the number of mating cycles for spring terminals; the alloy and temper follow from that.
- Define the crimp barrel dimensions for the wire range, not only the terminal outline.
- Allow for plating in the mating dimensions; 5 µm of tin on each side closes a 10 µm gap.
- Avoid sharp inside corners at the bend line – they start cracks during forming and after plating.
Frequently asked questions
Can you do selective plating?
Yes – plating only on the contact zone with the rest masked is standard for cost control. The mask line is defined on the drawing and is part of the quotation, because selective plating needs a masking operation.
Do you supply RoHS declarations?
Yes, for the material and finish combination used on your parts, together with plating thickness and adhesion reports per batch.
Can you match an existing terminal that we already buy?
Yes – send a sample or a full drawing and we measure it and quote to the measured dimensions. Where the original drawing is available it is safer, because a worn sample can carry dimensions that are out of specification.
Send the terminal drawing and the wire range
Plating, contact force, wire range and packing method all change the price – include them with the drawing.