How much longer service life than ordinary uncoated pins?

Under the same production load, ceramic coated pins can last 3 to 6 times longer than bare metal pins, cutting your spare part cost and production downtime.

Is this pin compatible with all brands of nut welding machines?

Standard M4/M5/M6/M8 sizes fit most mainstream projection welding equipment. If your machine has special structure, we can adjust dimensions for perfect matching.

Automobile Industry Kcf /Si3n4 Guide Pin for Nut Welding Spot Welding Machine

Name: Automobile Industry Kcf /Si3n4 Guide Pin for Nut Welding Spot Welding Machine
Brand: Bloom (Suzhou ) Materials Co., Ltd.
SKU: 1963664792

Jiangsu, ChinaBloom (Suzhou ) Materials Co., Ltd.

US$3.50

5 Pieces

Sample price:US$3.50/piece.Request sample

Product profile

Customization

Available

Standard

Surface Treatment

Powder Coated

Energy Source

Ultrasonic

Material

Stainless Steel

Type

Braze Welding

Name

Kcf Guide Pin

Materials

Kcf Alloy

Brand

Blm

Application

Spot Welding

Transport Package

Plastic Box

Specification

15x15x20

Trademark

BLM

Origin

China

Key features

Made of premium KCF alloy material, excellent high temperature resistance and low thermal expansion, no deformation under long-time welding high heat.

Perfect matching with CuCrZr welding electrodes, stable conductive performance, lower welding resistance and uniform welding current.

Superb wear & corrosion resistance, greatly extend service life of welding electrodes, reduce frequent replacement cost.

High mechanical strength, good creep resistance, stable positioning during continuous spot & projection welding production.

Precision CNC machining, tight tolerance size, seamless assembly with welding electrode holders and welding machine accessories.

Widely used in automotive manufacturing, metal sheet processing, household appliance resistance welding production lines.

Custom size, shape and thread available to fit different brands of spot welding equipment.

Company profile

Bloom (Suzhou ) Materials Co., Ltd.

Jiangsu, China

Business Type: Trading CompanyExport Year: 2018-01-05Nearest Port: Shanghai, NingboAverage Response Time: ≤0.93hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF, DDP

AI-Powered supplier vetting

SummaryBloom (Suzhou) Materials Co., Ltd. is identified as a China-based trading company in Jiangsu, focused on alloy materials, spot-welding parts, and extruder machined parts. It reports ISO 9001 certification, three production lines, broad export coverage, self-operated import/export rights, and export activity since 2018. Its stated product scope includes KCF guide pins and sleeves, welding electrodes, and twin-screw extruder components. The supplier describes imported raw materials, specialized processing, and customization inquiries, but provides limited evidence regarding after-sales service, financial credibility, and innovation. Production capacity is documented, while the available trade records show transactions with Mexican buyers for ceramic centering products, blades, and heating resistors.

CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a certified quality-management system, although the provided information does not include certificate scope, issuer, or validity details.

Production capacityThe supplier reports three production lines and product coverage spanning welding electrodes, KCF guide pins and sleeves, and twin-screw extruder components. It also states a peak-season fulfillment time of two to three months, providing evidence of operating capacity, though the slices do not verify equipment scale, actual output volume, or manufacturing ownership.

Customization capabilityThe supplier explicitly invites customized orders and offers machined parts for twin-screw extruders alongside specialized KCF and welding-related components. This supports the existence of customization capability, although no examples of customized projects, engineering workflow, or minimum-order requirements are given.

Client casesTrade records show transactions with Mexican buyers, including COMERCIAL CALIBRATION TOOLS SA DE CV and DEM WELDING S DE RL DE CV, for blades, ceramic centering products, and heating resistors. These records provide identifiable customer and product evidence, but they are limited in number and do not document customer satisfaction, repeat-order outcomes, or project performance.

Product Q&A

Q:What thread sizes do you have for ceramic coated nut welding pins?

Standard stock sizes include M4, M5, M6, M8. We support custom non-standard thread, length and pin diameter upon your requirements.

Q:What is the main function of ceramic coating on welding pin?

The ceramic layer provides good insulation to prevent short-circuit; meanwhile it prevents welding spatter from sticking on the pin, keeping accurate nut positioning and lowering maintenance frequency.

Q:Will the ceramic coating peel off during high-temperature welding?

We adopt high-adhesion spraying process. The coating is compact and crack-resistant, not easy to peel under continuous high temperature nut welding cycles.

Q:Which welding process are these pins suitable for?

Specially designed for projection nut resistance spot welding, widely applied for automotive metal parts, cabinet hardware, electrical appliance nuts welding.

Q:Can I get customized ceramic coated pins?

Yes. We can customize pin length, outer diameter, thread specification and coating thickness based on your samples or technical drawings.