--- title: "Robust Double Screw Set Split Sleeve, 16-40mm, High-Quality Packaging Coupler" description: "Robust Double Screw Set Split Sleeve, 16-40mm, High-Quality Packaging Coupler — Assortment Kits & Mixed Fastener Sets. MOQ 100 pieces, US$2.70 – 39.60." url: https://engineeringhardware.com/product/robust-double-screw-set-split-sleeve-16-40mm-high-quality-packaging-coupler/ source: Engineering Hardware & Fasteners --- # Robust Double Screw Set Split Sleeve, 16-40mm, High-Quality Packaging Coupler [![Robust Double Screw Set Split Sleeve, 16-40mm, High-Quality Packaging Coupler](https://img.engineeringhardware.com/Robust-Double-Screw-Set-Split-Sleeve-16-40mm-High-Quality-Packaging-Coupler.webp)](https://img.engineeringhardware.com/Robust-Double-Screw-Set-Split-Sleeve-16-40mm-High-Quality-Packaging-Coupler.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Fastener Sets & Assemblies › Assortment Kits & Mixed Fastener Sets](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/robust-double-screw-set-split-sleeve-16-40mm-high-quality-packaging-coupler.md) Model no. **16-40mm** | **US$39.60**100–9,999 pieces | **US$2.70**10,000+ pieces | | --- | --- | MOQ 100 pieces · Final price confirmed in your quote - **Head Code:** Round - **Thread Distribution:** Internal Thread - **Surface:** Polish - **Material:** Carbon Steel - **Customized:** Customized - **Size:** 16-40mm - **Package Size:** 10.00cm * 10.00cm * 10.00cm - **S45C -yield strength420Mpa, Tensile strength:** 600-650MPa Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Robust%20Double%20Screw%20Set%20Split%20Sleeve%2C%2016-40mm%2C%20High-Quality%20Packaging%20Coupler%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Frobust-double-screw-set-split-sleeve-16-40mm-high-quality-packaging-coupler%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 | | --- | --- | | After-sales Service | Yes | | Head Code | Round | | Model NO. | 16-40mm | | Thread Distribution | Internal Thread | | Surface | Polish | | Material | Carbon Steel | | Technics | Casting | | Customized | Customized | | Certification | CQC, CCC, PSE, TUV, VDE | | Warranty | 1 Year | | Size | 16-40mm | | Package | Carton | | Quality Level | High-Quality | | Function | Enhance The Compressive and Tensile Strength | | Transport Package | Carton Box | | Specification | 16-40mm | | Origin | Hebei Hengshui | | HS Code | 73079900 | | Production Capacity | 10000000pieces | | Package Size | 10.00cm * 10.00cm * 10.00cm | | Package Gross Weight | 10.000kg | | Lead Time | 1 days (1 - 10000 Pieces) To be negotiated ( > 10000 Pieces) | | Name | Thread Rebar Couplers Standard Type | | Used for Rebar | HRB400/Grade 65/ and so on with rebar yield strength same as 500Mpaor lower than that. | | S45C -yield strength420Mpa, Tensile strength | 600-650MPa | | Packing | By bags and pallets packing, or wooden case packing as required (25KGsmaller packing,1700KG per pallet) | | Production time | 15-40 days based on different quantity after receive the prepayment | | Shipping Port | Xingang,Tianjin Port,Shanghai Port, China. | | Payment Terms | TT/LC | | Certificate | ISO/CE | | Category | [Assortment Kits & Mixed Fastener Sets](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) | ## Technical parameters | Name: | Thread Rebar Couplers Standard Type | | --- | --- | | Used for Rebar: | HRB400/Grade 65/ and so on with rebar yield strength same as 500Mpaor lower than that. | | Raw Material: | S45C -yield strength420Mpa, Tensile strength:600-650MPa | | Size: | 16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm | | Packing: | By bags and pallets packing, or wooden case packing as required (25KGsmaller packing,1700KG per pallet) | | Sample | Free existing samples for checking dimension and quality | | Production time: | 15-40 days based on different quantity after receive the prepayment | | Shipping Port: | Xingang,Tianjin Port,Shanghai Port, China. | | Payment Terms: | TT/LC | | Certificate: | ISO/CE | | specification | package quantity | product size | product weight | unit weight | | --- | --- | --- | --- | --- | | Φ16 | 100 Sleeve/bag | 32*65 | 0.244kg | 24.4kg | | Φ18 | 80 Sleeve/bag | 37*70 | 0.34kg | 27.2kg | | Φ20 | 50 Sleeve/bag | 41*75 | 0.48kg | 28.8kg | | Φ22 | 35 Sleeve/bag | 47*100 | 0.72kg | 25.9kg | | Φ25 | 25 Sleeve/bag | 53*107 | 1.00kg | 25.0kg | | Φ28 | 20 Sleeve/bag | 58*112 | 1.34kg | 26.0kg | | Φ32 | 20 Sleeve/bag | 59*122 | 1.50kg | 30.0kg | | Φ36 | 10 Sleeve/bag | 79*140 | 3.16kg | 31.6kg | | Φ40 | 10 Sleeve/bag | 82*150 | 3.86kg | 38.6kg | | Φ50 | 10 Sleeve/bag | 103*160 | 5.08kg | 50.8kg | ## Description Robust Double Screw Set Split Sleeve, 16-40mm, High-Quality Packaging Coupler is part of our assortment kits & mixed fastener sets range (Fastener Sets & Assemblies). ### Key details - **Material:** Carbon Steel - **Size:** 16-40mm - **Certification:** CQC, CCC, PSE, TUV, VDE - **Head Code:** Round - **Thread Distribution:** Internal Thread - **Surface:** Polish - **Technics:** Casting - **Warranty:** 1 Year Available configurations include head code, thread distribution, surface, material and customized. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 100 pieces at US$2.70 – 39.60 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 Robust Double Screw Set Split Sleeve, 16-40mm, High-Quality Packaging Coupler? The listed minimum order is 100 pieces, at US$2.70 – 39.60 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size. ### How does the price change with quantity? Volume pricing: US$39.60 for 100–9,999 pieces; US$2.70 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Robust Double Screw Set Split Sleeve, 16-40mm, High-Quality Packaging Coupler? Material: Carbon Steel; Size: 16-40mm; Certification: CQC, CCC, PSE, TUV, VDE; Head Code: Round; Thread Distribution: Internal Thread; Surface: Polish. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head code, thread distribution, surface, material and customized. 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 assortment kits & mixed fastener sets are available? The Assortment Kits & Mixed Fastener Sets category lists 3,161 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) 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 Assortment Kits & Mixed Fastener Sets →](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) [![10PCS Multi Spline Screw Extractor Kit](https://img.engineeringhardware.com/10PCS-Multi-Spline-Screw-Extractor-Kit.webp)](https://engineeringhardware.com/product/10pcs-multi-spline-screw-extractor-kit/) Assortment Kits & Mixed Fastener Sets ### [10PCS Multi Spline Screw Extractor Kit](https://engineeringhardware.com/product/10pcs-multi-spline-screw-extractor-kit/) 1 Year · BT1329 **Price on request**MOQ 300 sets [![High-Quality Stainless Steel Carriage Bolt and Flange Nut Set](https://img.engineeringhardware.com/High-Quality-Stainless-Steel-Carriage-Bolt-and-Flange-Nut-Set.webp)](https://engineeringhardware.com/product/high-quality-stainless-steel-carriage-bolt-and-flange-nut-set/) Assortment Kits & Mixed Fastener 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