--- title: "Flat Rib Washer; Concrete Formwork Accessory; Square Pipe Washer" description: "Flat Rib Washer; Concrete Formwork Accessory; Square Pipe Washer — Flat & Other Precision Washers. MOQ 10,000 pieces, US$0.0024 – 0.12." url: https://engineeringhardware.com/product/flat-rib-washer-concrete-formwork-accessory-square-pipe-washer/ source: Engineering Hardware & Fasteners --- # Flat Rib Washer; Concrete Formwork Accessory; Square Pipe Washer [![Flat Rib Washer; Concrete Formwork Accessory; Square Pipe Washer](https://img.engineeringhardware.com/Flat-Rib-Washer-Concrete-Formwork-Accessory-Square-Pipe-Washer.webp)](https://img.engineeringhardware.com/Flat-Rib-Washer-Concrete-Formwork-Accessory-Square-Pipe-Washer.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/flat-rib-washer-concrete-formwork-accessory-square-pipe-washer.md) Model no. **HL11-1** US$0.0024 – 0.12 / piece MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Steel - **Color:** Golden or Black - **Surface:** Galvanized or Plain - **Package Size:** 14.00cm * 13.00cm * 3.50cm - **Packing:** woven bags with pallets or as your requirements - **Surface Treatment:** Galvanization - **Size:** Customized - **Standard:** BV Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Flat%20Rib%20Washer%3B%20Concrete%20Formwork%20Accessory%3B%20Square%20Pipe%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fflat-rib-washer-concrete-formwork-accessory-square-pipe-washer%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 | | --- | --- | | Material | Steel | | Type | Wall Formwork | | Model NO. | HL11-1 | | Color | Golden or Black | | Surface | Galvanized or Plain | | Transport Package | Woven Bags with Pallets or as Your Requirements | | Specification | Material: Steel | | Origin | Hebei, China | | HS Code | 73269090 | | Production Capacity | 200tons/Per Month | | Package Size | 14.00cm * 13.00cm * 3.50cm | | Package Gross Weight | 25.000kg | | Model No | HL11-1 | | Working Life | many times | | Export Market | SoutheastAsia NorthAmerica,South America,Asia,Mid East. | | Sample | free | | Packing | woven bags with pallets or as your requirements | | Surface Treatment | Galvanization | | Place of origin | Hualin,china | | Size | Customized | | Standard | BV | | Category | [Flat & Other Precision Washers](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) | ## Technical parameters | Size | 50*100,50*150 | | --- | --- | | Production Capacity | 100000 PCS/Month | ## Description Flat Rib Washer; Concrete Formwork Accessory; Square Pipe Washer is part of our flat & other precision washers range (Washers). ### Key details - **Type:** Wall Formwork - **Standard:** BV - **Material:** Steel - **Size:** Customized - **Surface Treatment:** Galvanization - **Color:** Golden or Black - **Surface:** Galvanized or Plain - **Working Life:** many times Available configurations include material, color, surface, package size and packing. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.0024 – 0.12 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 Flat Rib Washer; Concrete Formwork Accessory; Square Pipe Washer? The listed minimum order is 10,000 pieces, at US$0.0024 – 0.12 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 Flat Rib Washer; Concrete Formwork Accessory; Square Pipe Washer? Type: Wall Formwork; Standard: BV; Material: Steel; Size: Customized; Surface Treatment: Galvanization; Color: Golden or Black. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, color, surface, package size and packing. 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 flat & other precision washers are available? The Flat & Other Precision Washers category lists 8,437 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) 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 Flat & Other Precision Washers →](https://engineeringhardware.com/fastener-products/washers/flat-other-precision-washers/) [![Wholesale BS 4464 HDG Hot DIP Galvanized Thakaray Double Coil Washers for Railway Threaded Fastener](https://img.engineeringhardware.com/Wholesale-BS-4464-HDG-Hot-DIP-Galvanized-Thakaray-Double-Coil-Washers-for-Railway-Threaded-Fastener.webp)](https://engineeringhardware.com/product/wholesale-bs-4464-hdg-hot-dip-galvanized-thakaray-double-coil-washers-for-railway/) Flat & Other Precision Washers ### [Wholesale BS 4464 HDG Hot DIP Galvanized Thakaray Double Coil Washers for Railway Threaded Fastener](https://engineeringhardware.com/product/wholesale-bs-4464-hdg-hot-dip-galvanized-thakaray-double-coil-washers-for-railway/) Lock Washer · ISO, DIN, GB, BS, ASTM, ASME, JIS **US$0.036 – 0.36**MOQ 10,000 pieces [![Washers Bkd-11-D1 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Gasket · Aluminum **US$46.80 – 49.20**MOQ 20 pieces **US$0.0024 – 0.12**MOQ 10,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Flat%20Rib%20Washer%3B%20Concrete%20Formwork%20Accessory%3B%20Square%20Pipe%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fflat-rib-washer-concrete-formwork-accessory-square-pipe-washer%2F)