--- title: "Carbon Steel Flat Plain Washers and Split Spring Lock Washers M2-M72" description: "Carbon Steel Flat Plain Washers and Split Spring Lock Washers M2-M72 — Spring & Split Lock Washers. MOQ 10 pieces, US$0.012." url: https://engineeringhardware.com/product/carbon-steel-flat-plain-washers-and-split-spring-lock-washers-m2-m72/ source: Engineering Hardware & Fasteners --- # Carbon Steel Flat Plain Washers and Split Spring Lock Washers M2-M72 [![Carbon Steel Flat Plain Washers and Split Spring Lock Washers M2-M72](https://img.engineeringhardware.com/Carbon-Steel-Flat-Plain-Washers-and-Split-Spring-Lock-Washers-M2-M72.webp)](https://img.engineeringhardware.com/Carbon-Steel-Flat-Plain-Washers-and-Split-Spring-Lock-Washers-M2-M72.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Washers › Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/carbon-steel-flat-plain-washers-and-split-spring-lock-washers-m2-m72.md) US$0.012 / piece MOQ 10 pieces · Final price confirmed in your quote - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST, Customized - **Grade:** 12.9 - **Finish:** Hot Galvanizing - **Custom:** Custom - **Package Size:** 26.00cm * 24.00cm * 15.00cm - **Material:** Carbon Steel Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Carbon%20Steel%20Flat%20Plain%20Washers%20and%20Split%20Spring%20Lock%20Washers%20M2-M72%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcarbon-steel-flat-plain-washers-and-split-spring-lock-washers-m2-m72%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 | Connection | Common Bolt | | --- | --- | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, BSW, GOST, Customized | | Grade | 12.9 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Hot Galvanizing | | Custom | Custom | | Transport Package | Cartons+Pallets | | Specification | ST2.9-ST6.3 | | Origin | China | | HS Code | 7318159090 | | Package Size | 26.00cm * 24.00cm * 15.00cm | | Package Gross Weight | 23.000kg | | Customization | Available | | Material | Carbon Steel | | Type | Hexagon Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Rod | Our selection includes threaded rods such as DIN975, DIN976, threaded bars, DIN975 stud bolts, and B7 stud bolts, ensuring robustness in any setting. | | Category | [Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) | ## Technical parameters | Name | Factory Direct Washers | | --- | --- | | Place of Origin | Jiaxing, Zhejiang, China | | Size | ST2.9-ST6.3 or non-standard | | Finish | Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Magni,Geomet,H.D.G.,Electrophoresis etc. | | Test Equipments | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector,Projector, Magnetic flaw detecte... | | Material | Carbon Steel, Alloy Steel, Stainless Steel | | Grade | ASTM Gr.2 Gr.5,A325,Gr.8; Class 8.8, 10.9, 12.9; A2-70, A4-70, A4-80.etc | | Standard | GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc | | Non-standards | OEM is available, according to drawing or samples | | Samples | Samples are free. | | Package | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand | | Payment | T/T,L/C | ## Description Carbon Steel Flat Plain Washers and Split Spring Lock Washers M2-M72 is part of our spring & split lock washers range (Washers). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, BSW, GOST, Customized - **Material:** Carbon Steel - **Grade:** 12.9 - **Head Style:** Hexagonal - **Finish:** Hot Galvanizing - **Connection:** Common Bolt - **Application:** Machinery, Chemical Industry, Environmental, Building Available configurations include head style, standard, grade, finish and custom. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10 pieces at US$0.012 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 Carbon Steel Flat Plain Washers and Split Spring Lock Washers M2-M72? The listed minimum order is 10 pieces, at US$0.012 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 Carbon Steel Flat Plain Washers and Split Spring Lock Washers M2-M72? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST, Customized; Material: Carbon Steel; Grade: 12.9; Head Style: Hexagonal; Finish: Hot Galvanizing. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head style, standard, grade, finish and custom. 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 spring & split lock washers are available? The Spring & Split Lock Washers category lists 1,593 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-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 Spring & Split Lock Washers →](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) [![Yph Wave Spring Washers Carbon Steel DIN137 M4-M100](https://img.engineeringhardware.com/Yph-Wave-Spring-Washers-Carbon-Steel-DIN137-M4-M100.webp)](https://engineeringhardware.com/product/yph-wave-spring-washers-carbon-steel-din137-m4-m100/) Spring & Split Lock Washers ### [Yph Wave Spring Washers Carbon Steel DIN137 M4-M100](https://engineeringhardware.com/product/yph-wave-spring-washers-carbon-steel-din137-m4-m100/) Flat Gasket · Carbon Steel **US$0.0264 – 0.0276**MOQ 500 pieces [![Zinc Plated ANSI/ASME B Dimensions of Heavy Helical Spring-Lock Washers Made in 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