--- title: "Premium Double Coil Spring Lock Washers for Enhanced Fastening" description: "Premium Double Coil Spring Lock Washers for Enhanced Fastening — Spring & Split Lock Washers. Material: Stainless Steel. MOQ 50,000 pieces, US$0.006 – 0.0096." url: https://engineeringhardware.com/product/premium-double-coil-spring-lock-washers-for-enhanced-fastening/ source: Engineering Hardware & Fasteners --- # Premium Double Coil Spring Lock Washers for Enhanced Fastening [![Premium Double Coil Spring Lock Washers for Enhanced Fastening](https://img.engineeringhardware.com/Premium-Double-Coil-Spring-Lock-Washers-for-Enhanced-Fastening.webp)](https://img.engineeringhardware.com/Premium-Double-Coil-Spring-Lock-Washers-for-Enhanced-Fastening.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/premium-double-coil-spring-lock-washers-for-enhanced-fastening.md) Model no. **Spring Washers** | **US$0.0096**50,000–99,999 pieces | **US$0.006**100,000+ pieces | | --- | --- | MOQ 50,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Surface Treatment:** Natural Color, Washed, White Washed, Passivated - **Color:** Customized Color - **Package Size:** 10.00cm * 10.00cm * 10.00cm - **Metric size:** M6 × 70 mm Inch size: 1/4" × 2-3/4" Customized sizes are available. - **Grade:** A2-70, A4-70, A4-80 & 8.8, 10.9, 12.9, etc. - **Finish:** Polishing, Black Oxide, Zinc Plating, Hot-dip Galvanizing, Bluing, etc. - **Standard:** GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Premium%20Double%20Coil%20Spring%20Lock%20Washers%20for%20Enhanced%20Fastening%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpremium-double-coil-spring-lock-washers-for-enhanced-fastening%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 | | --- | --- | | Type | Spring Washer | | Material | Stainless Steel | | Model NO. | Spring Washers | | Combination Washer Structure | A Type | | Combination Washer Packaging | Half a Pack | | Spring Washer Type | Standard | | Surface Treatment | Natural Color, Washed, White Washed, Passivated | | Service | OEM&ODM | | Samples | Free Samples | | Color | Customized Color | | Transport Package | Carton+Pallet | | Specification | / | | Origin | Heibei, China | | HS Code | 7318150000 | | Package Size | 10.00cm * 10.00cm * 10.00cm | | Package Gross Weight | 0.100kg | | Product Name | Spring Washers | | Metric size | M6 × 70 mm Inch size: 1/4" × 2-3/4" Customized sizes are available. | | Grade | A2-70, A4-70, A4-80 & 8.8, 10.9, 12.9, etc. | | Finish | Polishing, Black Oxide, Zinc Plating, Hot-dip Galvanizing, Bluing, etc. | | Standard | GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc | | Package | Inner bag + Master carton + Wooden pallet + Stretch film, with desiccant & edge protectors as needed. | | Payment | T/T, L/C | | Shipping Port | Tianjin Port, Qingdao Port | | Inspection | 100% QC Steps Inspect Before Shipment | | Category | [Spring & Split Lock Washers](https://engineeringhardware.com/fastener-products/washers/spring-split-lock-washers/) | ## Technical parameters | Product Name: Spring Washers | | --- | | Size: Metric size: M6 × 70 mm Inch size: 1/4" × 2-3/4" Customized sizes are available. | | Material: Stainless Steel 201 304 316 430 & Carbon Steel | | Grade: A2-70, A4-70, A4-80 & 8.8, 10.9, 12.9, etc. | | Finish: Polishing, Black Oxide, Zinc Plating, Hot-dip Galvanizing, Bluing, etc. | | Standard: GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc | | Samples: Samples are complimentary, delivery charges apply | | Package: Inner bag + Master carton + Wooden pallet + Stretch film, with desiccant & edge protectors as needed. | | Payment: T/T, L/C | | Shipping Port: Tianjin Port, Qingdao Port | | Inspection: 100% QC Steps Inspect Before Shipment | ## Description Premium Double Coil Spring Lock Washers for Enhanced Fastening is part of our spring & split lock washers range (Washers). ### Key details - **Type:** Spring Washer - **Standard:** GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc - **Material:** Stainless Steel - **Grade:** A2-70, A4-70, A4-80 & 8.8, 10.9, 12.9, etc. - **Surface Treatment:** Natural Color, Washed, White Washed, Passivated - **Finish:** Polishing, Black Oxide, Zinc Plating, Hot-dip Galvanizing, Bluing, etc. - **Combination Washer Structure:** A Type - **Combination Washer Packaging:** Half a Pack Available configurations include material, surface treatment, color, package size and metric size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 50,000 pieces at US$0.006 – 0.0096 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 Premium Double Coil Spring Lock Washers for Enhanced Fastening? The listed minimum order is 50,000 pieces, at US$0.006 – 0.0096 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$0.0096 for 50,000–99,999 pieces; US$0.006 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Premium Double Coil Spring Lock Washers for Enhanced Fastening? Type: Spring Washer; Standard: GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc; Material: Stainless Steel; Grade: A2-70, A4-70, A4-80 & 8.8, 10.9, 12.9, etc.; Surface Treatment: Natural Color, Washed, White Washed, Passivated; Finish: Polishing, Black Oxide, Zinc Plating, Hot-dip Galvanizing, Bluing, etc.. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, surface treatment, color, package size and metric 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 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/) [![Carbon Steel Washer Round Shape / Round Washer](https://img.engineeringhardware.com/Carbon-Steel-Washer-Round-Shape-Round-Washer.webp)](https://engineeringhardware.com/product/carbon-steel-washer-round-shape-round-washer/) Spring & Split Lock Washers ### [Carbon Steel Washer Round Shape / Round Washer](https://engineeringhardware.com/product/carbon-steel-washer-round-shape-round-washer/) Flat Washer;Spring Washer · DIN127, DIN125 **US$0.012 – 0.36**MOQ 10,000 pieces [![China Supplier 304 316 Stainless Steel External Retaining Washer Circlips Sack Retaining Snap Ring Split 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Construction Use](https://img.engineeringhardware.com/High-Precision-Stainless-Steel-Flat-Washers-Thick-Thin-Type-for-Industrial-Construction-Use.webp)](https://engineeringhardware.com/product/high-precision-stainless-steel-flat-washers-thick-thin-type-for-industrial/) Spring & Split Lock Washers ### [High Precision Stainless Steel Flat Washers Thick/Thin Type for Industrial & Construction Use](https://engineeringhardware.com/product/high-precision-stainless-steel-flat-washers-thick-thin-type-for-industrial/) Spring Washer · DIN 127 / GB/T 93 / ISO 10683 **US$0.0001 – 0.0002**MOQ 1,000 pieces **US$0.006 – 0.0096**MOQ 50,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Premium%20Double%20Coil%20Spring%20Lock%20Washers%20for%20Enhanced%20Fastening%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fpremium-double-coil-spring-lock-washers-for-enhanced-fastening%2F)