A beryllium copper finger stock is a spring-contact gasket that bridges the gap between two conductive surfaces so an enclosure keeps a continuous ground path and a stable shield. Picking the right one comes down to three decisions: how it attaches, how tall the profile must be, and which surface finish suits the mating metal. This guide walks that sequence through the bright and clean becu finger stock range supplied in 0.11″–0.32″ (2.8 mm–8.1 mm) profile heights, standard 406 mm and 610 mm lengths, and nickel-plated, tinned-plated or unplated finishes.
Name the mount family first, then the profile height, then the plating. Everything else — cut length, quantity, packaging — follows from those three.
Mounting is the first fork because it decides how the strip is retained and how much of its deflection is recoverable. The product page describes three attachment routes: clipping into slots, sliding onto tracks, and adhesive mounting. Adhesive-mounted series gaskets are described as general-purpose and are used in both compression and wiping applications. Slot-mount gaskets are described as a standard in the enclosure industry and are used in shorter lengths as ESD contacts and in longer lengths as EMI gaskets.
Height is the second fork. The catalogue range runs from 0.11″ (2.8 mm) to 0.32″ (8.1 mm), and the profile you pick sets how much deflection you have before the finger is over-compressed.
Plating is the third fork: nickel-plated, tinned-plated or not plated, matched to your mating surface and the environment around the seam. The listed certification on the product page is ROHS.
If you have a gap dimension and a mounting surface, start at the matrix below.
Four families cover this range. Each card states when to choose it, when not to, and the trade-off you accept.
You are closing a cabinet or rack door seam and cannot machine a slot into the frame. The page describes this series as general-purpose and suited to both compression and wiping duty.
The seam sees heavy sliding travel or repeated mechanical strain that a bonded strip cannot hold against.
Trade-off: fastest to fit and easiest to retrofit, but the bond line becomes a service-life item.
You are building an enclosure frame with a machined or formed slot. The page calls slot-mount gaskets a standard in the enclosure industry.
There is no slot, lip or groove to clip into — in that case look at the adhesive family or a track.
Trade-off: the most secure retention, but it requires the slot geometry to be designed in from the start.
Your panel is removable or slides, and you want the fingerstock retained by the frame rather than bonded to a face.
The mating face is fixed and never opens — clipping or bonding is simpler and cheaper to install.
Trade-off: excellent for serviceable panels, but the track adds a manufacturing step to the frame.
You only need a discharge path between two conductive surfaces. The page notes slot-mount gaskets are used in shorter lengths as ESD contacts.
You are sealing a full enclosure perimeter — that job belongs to the longer EMI gasket lengths.
Trade-off: minimal material and cost per contact point, but it delivers grounding, not perimeter shielding.
The page states sizes range from 0.11″ (2.8 mm) to 0.32″ (8.1 mm) in height. Measure your worst-case gap first, then choose where inside that band you land.
| Profile band | Deflection headroom | Typical duty (guidance) |
|---|---|---|
| Low end — near 0.11″ / 2.8 mm | Smallest gap between mating surfaces | Tight closure seams where panel travel is short and the frames sit close together |
| Middle of the stated range | Moderate gap variation | General-purpose door and frame seams where the gap shifts with fit and finish |
| High end — near 0.32″ / 8.1 mm | Largest gap allowance | Wider seams, slotted frames, or a sliding panel that must hold contact over a longer travel |
The page also states that the bright and clean Becu fingerstock offers good resilience, which is what lets the finger spring back after the panel is opened and the gap returns.
The product page describes the adhesive-mounted series gaskets as general-purpose and used in both compression and wiping applications. That matters when you choose a height:
The product page lists three surface options: nickel-plated, tinned-plated and not plated. The decision is a pairing question — the finish on the finger against the finish on the surface it touches.
Listed as one of the three surface options.
Decide by mating surface: note what your door, frame or panel is plated with, and confirm the pairing with the supplier before a production run.
Listed as one of the three surface options.
Decide by process and cleaning: confirm the finish against any soldering, assembly heat or cleaning chemicals your door and frame go through.
Listed as one of the three surface options.
Decide by handling: confirm that a bare BeCu contact face is acceptable in your environment and that installation handling will not contaminate it.
Write down two things before you pick a finish: the material and plating of the surface the finger touches, and the environment the seam lives in.
Then order a short cut of the candidate finish and test it on the actual mating face — a sample run is cheaper than a full production lot of the wrong surface.
RoHS is the certification listed on the product page, and CE RoHS appears in the page header area. If your project needs documentation, request it with your quote rather than assuming it ships automatically.
The page states the bright and clean Becu fingerstock works well in various environments, cannot burn and is not influenced by rays or ultraviolet light, and offers good resistance to causticity and stress with good resilience.
Those are the environment points to quote back to your project team when you justify the material choice.
Once mount, height and plating are fixed, the remaining fields on the order line are length, quantity and packaging.
| Item | Value listed on the product page |
|---|---|
| Name | Beryllium copper finger |
| Material | BeCu |
| Length | Standard 406 mm, 610 mm; customized lengths accepted |
| Surface | Nickel-plated, tinned-plated, not plated |
| Certification | ROHS |
| Brand / Model | haozhuo / HZ |
| Place of origin | Jiangsu, China |
| Selling unit | Single item |
| Minimum order quantity | 100 pieces |
| Packaging | 1000 pcs in one box; single package size 10 × 10 × 10 cm, single gross weight 3.000 kg |
| Price | $4.00 / piece (reference) |
Fill the fields in the same sequence you decided them, so the quote comes back without a follow-up round:
Becu finger stock | slot mount | 0.32″ (8.1 mm) height | tinned-plated | 610 mm length | 600 pcsMount type + profile height + plating + cut length + quantity. If the length is non-standard, say so in the same line and state the finished dimension you need.
Find the row that matches where your gasket lives, then copy the specification line into your enquiry.
A formed frame with a slot accepts a clipped strip and keeps it retained through service.
Slot mount · mid-height profile · 610 mm cut to frame · 100 pcs minimum
No slot to machine? The adhesive-mounted series is described as general-purpose and suited to compression and wiping duty.
Adhesive mount · low-to-mid profile · 406 mm standard cut · confirm bond line
The frame carries the strip so the panel can be lifted out without disturbing the gasket.
Track slide · high-end profile · 610 mm · check travel versus deflection
The page notes slot-mount gaskets are used in shorter lengths as ESD contacts.
Short-length slot mount · low profile · cut to the contact point · quantity per assembly
The product page lists MRI chamber doors among the applications and names shielded rooms and shielding cabins alongside telecommunications, computers, military navigation systems and other electronic devices.
Slot or adhesive mount · profile set by the door gap · finish signed off by your RF-room contractor
Send the order line and we can price it against the range: MOQ is 100 pieces, packed 1000 pcs in one box, sold as a single item, with $4.00 per piece shown as a reference band. Customized lengths are accepted, so a non-standard cut is not a blocker — it is a line item.
The contact page carries the enquiry form with the fields Name, Email, Message and Verification Code, and you can reach the team directly:
1604528357@qq.com +86-519-88055165The supplier describes itself as a professional EMI filter manufacturer with over 10 years of experience, serving inverter drives, shielding systems, solar energy, rail transit and industrial applications worldwide — useful context if you are ordering fingerstock alongside filters for the same build.
Keep adjacent product options together for a faster catalog comparison.
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View productit is a spring-contact gasket that bridges a gap between conductive surfaces so an enclosure keeps a continuous contact path. the product page lists electronic enclosures, shielded cabinets and mri chamber doors as applications, and adds telecommunications, computers, military navigation systems, shielded rooms and shielding cabins.
the page describes clipping into slots, sliding onto tracks, and adhesive mounting. adhesive-mounted series gaskets are described as general-purpose and used in both compression and wiping applications, while slot-mount gaskets are described as a standard in the enclosure industry and are used in shorter lengths as esd contacts and longer lengths as emi gaskets.
sizes range from 0.11″ (2.8 mm) to 0.32″ (8.1 mm) in height. measure your worst-case closure gap first, and confirm any intermediate profile against your drawing before ordering.
nickel-plated, tinned-plated and not plated. plating is a pairing decision, so name the plating on the surface the finger contacts and confirm the combination before a production run.
standard lengths are 406 mm and 610 mm, with customized lengths accepted. the minimum order quantity is 100 pieces, packaged 1000 pcs in one box, sold as a single item, with $4.00 per piece shown as a reference price.
the page states the bright and clean becu fingerstock works well in various environments, cannot burn and is not influenced by rays or ultraviolet light, and offers good resistance to causticity and stress with good resilience. the certification listed on the product page is rohs.
