--- title: "Refractory Cordierite Ceramic Ferrule Ring Insulator Spool Heating Element Bobbin Stud Welding" description: "Refractory Cordierite Ceramic Ferrule Ring Insulator Spool Heating Element Bobbin Stud W… — Weld & Shear Studs. MOQ 2 pieces, US$0.60 – 1.80." url: https://engineeringhardware.com/product/refractory-cordierite-ceramic-ferrule-ring-insulator-spool-heating-element-bobbin/ source: Engineering Hardware & Fasteners --- # Refractory Cordierite Ceramic Ferrule Ring Insulator Spool Heating Element Bobbin Stud Welding [![Refractory Cordierite Ceramic Ferrule Ring Insulator Spool Heating Element Bobbin Stud Welding](https://img.engineeringhardware.com/Refractory-Cordierite-Ceramic-Ferrule-Ring-Insulator-Spool-Heating-Element-Bobbin-Stud-Welding.webp)](https://img.engineeringhardware.com/Refractory-Cordierite-Ceramic-Ferrule-Ring-Insulator-Spool-Heating-Element-Bobbin-Stud-Welding.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Threaded Rods & Studs › Weld & Shear Studs](https://engineeringhardware.com/fastener-products/threaded-rods-studs/weld-shear-studs/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/refractory-cordierite-ceramic-ferrule-ring-insulator-spool-heating-element-bobbin.md) Model no. **BBTRE002** US$0.60 – 1.80 / piece MOQ 2 pieces · Final price confirmed in your quote - **Color:** White, Light Yellow - **Size:** Customized Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Refractory%20Cordierite%20Ceramic%20Ferrule%20Ring%20Insulator%20Spool%20Heating%20Element%20Bobbin%20Stud%20Welding%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Frefractory-cordierite-ceramic-ferrule-ring-insulator-spool-heating-element-bobbin%2F) Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order. ## Specifications | Customization | Available | | --- | --- | | Feature | Corrosion Resistance, Good Insulation Performance, Thermal Shock Resistance | | Production Process | Sintering Method | | Model NO. | BBTRE002 | | Refractoriness (℃) | 1580< Refractoriness< 1770 | | Shape | Ring | | Color | White, Light Yellow | | Density | 2.1 g/cm3 | | Working Temperature | 1300c | | Size | Customized | | Usage | Barbecue Grill, Burn Oven, Convection Oven, Gas Ov | | Keyword1 | Refractory Welding Ceramic | | Keyword2 | Cordierite Ceramic Ferrule Ring | | Thermal Expansion 1000 C | 6.5 | | MOQ | 2 PCS | | Transport Package | Packaged by Polybay and Bubble Bag in The Stardard | | Specification | OEM | | Origin | China | | Production Capacity | 10000PCS/Month | | Package | Synthetic wooden case padded with foams. | | Shipping | By vessel or by train from any Chinese port, Samples can be delivered by International express | | Answer | Till the end of 2021, we have passed ROHS,CE,MSDS,LVD,FDA,EMC tests and also the ISO9001 authentication,SGS,TÜV. We have 8 registered trademark and 40 patents. Also we won the title of China High-tech Enterprise and Jiangsu Private Science and Technology Enterprises. | | Category | [Weld & Shear Studs](https://engineeringhardware.com/fastener-products/threaded-rods-studs/weld-shear-studs/) | ## Technical parameters | Material | Cordierite | | --- | --- | | Size | Customized | | Color | Pale Yellow | | Payment Item | T/T,Western Union,Online payment by credit card are available | | MOQ | 2 PCS | | Property | Cordierite- mullite | Mullite-corundum | | --- | --- | --- | | Al2O3 % | ≥ 80 | ≥ 92 | | SiO2 % | ≤18 | ≤5 | | Fe2O3 % | ≤ 1.2 | ≤ 0.5 | | Density g/cm3 | ≥2.6 | ≥3.7 | | Thermal expansion 1000 C | 6.5 | 7.8 | | Refractoriness C | ≥ 1750 | ≥ 1850 | | Working temperature | ≤ 1450 | ≤ 1500 | ## Description Refractory Cordierite Ceramic Ferrule Ring Insulator Spool Heating Element Bobbin Stud Welding is part of our weld & shear studs range (Threaded Rods & Studs). ### Key details - **Size:** Customized - **Production Process:** Sintering Method - **Refractoriness (℃):** 1580< Refractoriness< 1770 - **Shape:** Ring - **Color:** White, Light Yellow - **Density:** 2.1 g/cm3 - **Working Temperature:** 1300c - **Usage:** Barbecue Grill, Burn Oven, Convection Oven, Gas Ov Available configurations include color and size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 2 pieces at US$0.60 – 1.80 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you. ## Frequently asked questions ### What is the minimum order quantity (MOQ) for Refractory Cordierite Ceramic Ferrule Ring Insulator Spool Heating Element Bobbin Stud Welding? The listed minimum order is 2 pieces, at US$0.60 – 1.80 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### What are the main specifications of Refractory Cordierite Ceramic Ferrule Ring Insulator Spool Heating Element Bobbin Stud Welding? Size: Customized; Production Process: Sintering Method; Refractoriness (℃): 1580< Refractoriness< 1770; Shape: Ring; Color: White, Light Yellow; Density: 2.1 g/cm3. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include color and size. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing. ### What is the lead time and how is it shipped? Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment. ### Which other weld & shear studs are available? The Weld & Shear Studs category lists 559 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/threaded-rods-studs/weld-shear-studs/](https://engineeringhardware.com/fastener-products/threaded-rods-studs/weld-shear-studs/) How we work ## Specified, checked and shipped by Engineering Hardware & Fasteners Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing. - DIN, ISO, ASTM, ANSI, JIS and GB standard parts - Non-standard parts made to your drawing - Dimensions, thread gauges and plating checked before packing - Export cartons and pallets, consolidated mixed orders - Samples available for approval before mass production [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All Weld & Shear Studs →](https://engineeringhardware.com/fastener-products/threaded-rods-studs/weld-shear-studs/) [![Flat Head Grade 8.8 Shear Stud Boiler Stud](https://img.engineeringhardware.com/Flat-Head-Grade-8-8-Shear-Stud-Boiler-Stud.webp)](https://engineeringhardware.com/product/flat-head-grade-8-8-shear-stud-boiler-stud/) Weld & Shear Studs ### [Flat Head Grade 8.8 Shear Stud Boiler Stud](https://engineeringhardware.com/product/flat-head-grade-8-8-shear-stud-boiler-stud/) ISO13918, Aws D1.1, GB/T10433, BS 5400, Az 1554.2 · Carbon Steel **US$1,080**MOQ 2 tons [![Ifi 148-2002 Table4 Type UR Projection Weld Studs](https://img.engineeringhardware.com/Ifi-148-2002-Table4-Type-UR-Projection-Weld-Studs.webp)](https://engineeringhardware.com/product/ifi-148-2002-table4-type-ur-projection-weld-studs/) Weld & Shear Studs ### [Ifi 148-2002 Table4 Type UR Projection Weld 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request**MOQ 10,000 pieces **US$0.60 – 1.80**MOQ 2 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Refractory%20Cordierite%20Ceramic%20Ferrule%20Ring%20Insulator%20Spool%20Heating%20Element%20Bobbin%20Stud%20Welding%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Frefractory-cordierite-ceramic-ferrule-ring-insulator-spool-heating-element-bobbin%2F)