--- title: "Advanced Special Shape Circlip for Energy Absorption Applications" description: "Advanced Special Shape Circlip for Energy Absorption Applications — Internal Retaining Rings & Circlips. Material: Steel. MOQ 1,000 pieces, US$0.48 – 0.72." url: https://engineeringhardware.com/product/advanced-special-shape-circlip-for-energy-absorption-applications/ source: Engineering Hardware & Fasteners --- # Advanced Special Shape Circlip for Energy Absorption Applications [![Advanced Special Shape Circlip for Energy Absorption Applications](https://img.engineeringhardware.com/Advanced-Special-Shape-Circlip-for-Energy-Absorption-Applications.webp)](https://img.engineeringhardware.com/Advanced-Special-Shape-Circlip-for-Energy-Absorption-Applications.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Retaining Rings & Locking Hardware › Internal Retaining Rings & Circlips](https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/internal-retaining-rings-circlips/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/advanced-special-shape-circlip-for-energy-absorption-applications.md) Model no. **AL-07** | **US$0.72**1,000–1,999 pieces | **US$0.48**2,000+ pieces | | --- | --- | MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Steel - **Wire Diameter:** 2.5 mm - **Outer Diameter:** 25 mm - **Free Length:** 50 mm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Advanced%20Special%20Shape%20Circlip%20for%20Energy%20Absorption%20Applications%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fadvanced-special-shape-circlip-for-energy-absorption-applications%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 | | --- | --- | | Function | Restoration | | Material | Steel | | Model NO. | AL-07 | | Usage | Industrial, Auto, Furniture, Motorcycle, Home Appliance | | Load Type | Extension | | Production Process | Hot Roll | | Shape | Coil | | Spring Type | Torsion Spring | | Wire Diameter | 2.5 mm | | Outer Diameter | 25 mm | | Free Length | 50 mm | | End Configuration | Double Loop Ends | | Origin | China | | Production Capacity | 10000 | | Category | [Internal Retaining Rings & Circlips](https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/internal-retaining-rings-circlips/) | ## Technical parameters | Product Name | Special-Shaped Springs | | --- | --- | | Material | High-Carbon Steel, Stainless Steel, Music Wire, Alloy Steel, Copper Alloy, Titanium Alloy | | Wire Diameter | 0.1–50 mm (Customizable) | | Spring Type | Variable Pitch, Conical, Hourglass, Barrel, Double-Torsion, Irregular Contour, Custom 3D Shapes | | End Type | Open, Closed, Ground, Special Ends (Hooks, Loops, etc.) | | Surface Treatment | Zinc Plating, Nickel Plating, Chrome Plating, Phosphating, Passivation, Powder Coating | | Heat Treatment | Stress Relieving, Hardening & Tempering, Quenching, Annealing | | Certifications | ISO 9001, IATF 16949, RoHS, REACH | | Applications | Automotive, Aerospace, Medical Devices, Electronics, Industrial Machinery, Furniture, Toys | ## Description Advanced Special Shape Circlip for Energy Absorption Applications is part of our internal retaining rings & circlips range (Retaining Rings & Locking Hardware). ### Key details - **Material:** Steel - **Function:** Restoration - **Usage:** Industrial, Auto, Furniture, Motorcycle, Home Appliance - **Load Type:** Extension - **Production Process:** Hot Roll - **Shape:** Coil - **Spring Type:** Torsion Spring - **Wire Diameter:** 2.5 mm Available configurations include material, wire diameter, outer diameter and free length. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1,000 pieces at US$0.48 – 0.72 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 Advanced Special Shape Circlip for Energy Absorption Applications? The listed minimum order is 1,000 pieces, at US$0.48 – 0.72 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$0.72 for 1,000–1,999 pieces; US$0.48 for 2,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Advanced Special Shape Circlip for Energy Absorption Applications? Material: Steel; Function: Restoration; Usage: Industrial, Auto, Furniture, Motorcycle, Home Appliance; Load Type: Extension; Production Process: Hot Roll; Shape: Coil. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, wire diameter, outer diameter and free length. 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 internal retaining rings & circlips are available? The Internal Retaining Rings & Circlips category lists 477 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/internal-retaining-rings-circlips/](https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/internal-retaining-rings-circlips/) 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 Internal Retaining Rings & Circlips →](https://engineeringhardware.com/fastener-products/retaining-rings-locking-hardware/internal-retaining-rings-circlips/) [![Corrosion-Resistant 304 Stainless Steel and Durable Menggang E-Type Circlip](https://img.engineeringhardware.com/Corrosion-Resistant-304-Stainless-Steel-and-Durable-Menggang-E-Type-Circlip.webp)](https://engineeringhardware.com/product/corrosion-resistant-304-stainless-steel-and-durable-menggang-e-type-circlip/) Internal Retaining Rings & Circlips ### [Corrosion-Resistant 304 Stainless Steel and Durable Menggang E-Type Circlip](https://engineeringhardware.com/product/corrosion-resistant-304-stainless-steel-and-durable-menggang-e-type-circlip/) Carbon Steel · 0.4mm to 3mm **US$0.036 – 0.84**MOQ 5,000 pieces [![Malaxy Carbon Steel Internal Retaining Rings Snap Rings for Bores Circlips Heavy Duty Internal Retaining Rings](https://img.engineeringhardware.com/Malaxy-Carbon-Steel-Internal-Retaining-Rings-Snap-Rings-for-Bores-Circlips-Heavy-Duty-Internal-Retaining-Rings.webp)](https://engineeringhardware.com/product/malaxy-carbon-steel-internal-retaining-rings-snap-rings-for-bores-circlips-heavy/) Internal Retaining Rings & Circlips ### [Malaxy Carbon Steel Internal Retaining Rings Snap Rings for Bores Circlips Heavy Duty Internal Retaining Rings](https://engineeringhardware.com/product/malaxy-carbon-steel-internal-retaining-rings-snap-rings-for-bores-circlips-heavy/) Retaining Ring · Carbon Steel **US$0.0012 – 0.12**MOQ 10,000 pieces [![DIN6799 Circlips for Shafts Bulk](https://img.engineeringhardware.com/DIN6799-Circlips-for-Shafts-Bulk.webp)](https://engineeringhardware.com/product/din6799-circlips-for-shafts-bulk-2/) Internal Retaining Rings & Circlips ### [DIN6799 Circlips for Shafts Bulk](https://engineeringhardware.com/product/din6799-circlips-for-shafts-bulk-2/) Stainless Steel,Carbon Steel,Brass, Iron, Aluminum · Plain,Black,Polis… **US$0.0012 – 0.0024**MOQ 1,000 pieces [![Internal Circlip / Retaining Ring / Circlip for Bores / Internal Retaining Ring/DIN472 / DIN472j / DIN472I / DIN472b / D1300](https://img.engineeringhardware.com/Internal-Circlip-Retaining-Ring-Circlip-for-Bores-Internal-Retaining-Ring-DIN472-DIN472j-DIN472I-DIN472b-D1300.webp)](https://engineeringhardware.com/product/internal-circlip-retaining-ring-circlip-for-bores-internal-retaining-ring-din472/) Internal Retaining Rings & Circlips ### [Internal Circlip / Retaining Ring / Circlip for Bores / Internal Retaining Ring/DIN472 / DIN472j / DIN472I / DIN472b / D1300](https://engineeringhardware.com/product/internal-circlip-retaining-ring-circlip-for-bores-internal-retaining-ring-din472/) DIN, ANSI, BS, Uni · Carbon Steel, Stainless Steel **US$0.096 – 0.12**MOQ 5,000 pieces [![Premium 65mn Stamping Circlips for Reliable Manufacturing 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Ring](https://engineeringhardware.com/product/high-quality-din472-65mn-spring-steel-stainless-steel-brass-internal-retaining-ring/) ISO,DIN, ANSI/ASME, JIS ,GB · Stainless Steel **US$0.036 – 0.36**MOQ 1,000 pieces [![65mn Black M1308/Jv C-Type Circlip Reverse Hole Circlip Spring Hole Snap Ring](https://img.engineeringhardware.com/65mn-Black-M1308-Jv-C-Type-Circlip-Reverse-Hole-Circlip-Spring-Hole-Snap-Ring.webp)](https://engineeringhardware.com/product/65mn-black-m1308-jv-c-type-circlip-reverse-hole-circlip-spring-hole-snap-ring/) Internal Retaining Rings & Circlips ### [65mn Black M1308/Jv C-Type Circlip Reverse Hole Circlip Spring Hole Snap Ring](https://engineeringhardware.com/product/65mn-black-m1308-jv-c-type-circlip-reverse-hole-circlip-spring-hole-snap-ring/) M1308/Jv · Carbon Steel **US$0.048**MOQ 10,000 pieces [![Circlip Internal Circlip Retaining Ring DIN472 D1300 J](https://img.engineeringhardware.com/Circlip-Internal-Circlip-Retaining-Ring-DIN472-D1300-J.webp)](https://engineeringhardware.com/product/circlip-internal-circlip-retaining-ring-din472-d1300-j/) Internal Retaining Rings & Circlips ### [Circlip Internal Circlip Retaining Ring DIN472 D1300 J](https://engineeringhardware.com/product/circlip-internal-circlip-retaining-ring-din472-d1300-j/) DIN471 · Steel **US$0.0012 – 0.12**MOQ 10,000 pieces **US$0.48 – 0.72**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Advanced%20Special%20Shape%20Circlip%20for%20Energy%20Absorption%20Applications%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fadvanced-special-shape-circlip-for-energy-absorption-applications%2F)