--- title: "Hex Head Sems Screws Assembled Plain Washer Spring Washer" description: "Hex Head Sems Screws Assembled Plain Washer Spring Washer — Assortment Kits & Mixed Fastener Sets. MOQ 1,000 pieces, US$0.012 – 0.24." url: https://engineeringhardware.com/product/hex-head-sems-screws-assembled-plain-washer-spring-washer/ source: Engineering Hardware & Fasteners --- # Hex Head Sems Screws Assembled Plain Washer Spring Washer [![Hex Head Sems Screws Assembled Plain Washer Spring Washer](https://img.engineeringhardware.com/Hex-Head-Sems-Screws-Assembled-Plain-Washer-Spring-Washer.webp)](https://img.engineeringhardware.com/Hex-Head-Sems-Screws-Assembled-Plain-Washer-Spring-Washer.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/hex-head-sems-screws-assembled-plain-washer-spring-washer.md) Model no. **SLM23CCC** US$0.012 – 0.24 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel - **Head Style:** Hexagonal - **Standard:** DIN, ANSI, GB, JIS, BSW, Accept Non-Standard - **Grade:** 8.8/10.9/12.9/5/8/9 - **Finish:** Color-Zinc Plated - **Thread:** Metric or Inch - **Thread Type:** Fine / Coarse /Bsw/Bsf/ Unc/Unf - **8.8 Hardness:** HRC 22-32 Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Hex%20Head%20Sems%20Screws%20Assembled%20Plain%20Washer%20Spring%20Washer%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhex-head-sems-screws-assembled-plain-washer-spring-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 | Carbon Steel | | Type | Hexagon Head | | Model NO. | SLM23CCC | | Connection | Common Bolt | | Head Style | Hexagonal | | Standard | DIN, ANSI, GB, JIS, BSW, Accept Non-Standard | | Grade | 8.8/10.9/12.9/5/8/9 | | Application | Machinery, Chemical Industry, Environmental, Building, Automotive Industry | | Finish | Color-Zinc Plated | | Thread | Metric or Inch | | Thread Type | Fine / Coarse /Bsw/Bsf/ Unc/Unf | | 8.8 Hardness | HRC 22-32 | | 8.8 Tensile Strength | Above 800 MPa | | 8.8 Yield Strength | Above 640 MPa | | 10.9 Hardness | HRC 33-38 | | 10.9 Tensile Strength | Above 1040 MPa | | 10.9 Yield Strength | Above 940 MPa | | 12.9 Hardness | HRC 39-45 | | 12.9 Tensile Strength | Above 1200MPa | | Transport Package | Carton Packing + Pallets | | Specification | M6 to M20 | | Origin | Wenzhou China | | HS Code | 731518 | | Production Capacity | 600tons / Month | | Name | Hex Head Sems Screws assembled Plain Washer Spring Washer | | Available Material | Steel , Carton Steel , Alloy Steel , | | Sizs | As per Requirement | | Grade/Class | 8.8 / 10.9 / 12.9/ 5 / 8 / 9 | | Lead Time | 30 Working Day for A 20' Container | | Standard Range | DIN,ISO, JIS, ANSI ,ASME,ASTM ... | | Surface Finish | Black ,Color Zinc ,Dacromet, HDG, Zinc Nickel Cr3+ etc | | Package | Bulk +Canton+Pallet, Small Boxes+Carton+Pallet, or Customer Request | | Payment Terms | 100% T/T in Advance | | Certificate | TS16949 PPAP LEVEL 3 , CO , FORM A ,FORM E | | Category | [Assortment Kits & Mixed Fastener Sets](https://engineeringhardware.com/fastener-products/fastener-sets-assemblies/assortment-kits-mixed-fastener-sets/) | ## Technical parameters | Name: | Hex Head Sems Screws assembled Plain Washer Spring Washer | | --- | --- | | Available Material: | Steel , Carton Steel , Alloy Steel , | | Sizs : | As per Requirement | | Grade/Class : | 8.8 / 10.9 / 12.9/ 5 / 8 / 9 | | Lead Time : | 30 Working Day for A 20' Container | | Thread: | Metric Thread or Inch Thread | | Standard Range: | DIN,ISO, JIS, ANSI ,ASME,ASTM ... | | Surface Finish : | Black ,Color Zinc ,Dacromet, HDG, Zinc Nickel Cr3+ etc | | Package : | Bulk +Canton+Pallet, Small Boxes+Carton+Pallet, or Customer Request | | Payment Terms : | 100% T/T in Advance | | Certificate: | TS16949 PPAP LEVEL 3 , CO , FORM A ,FORM E | | Application: | Construction,Railway,Automotive,Industry, Furniture ,Machinery, Chemical Industry | ## Description Hex Head Sems Screws Assembled Plain Washer Spring Washer is part of our assortment kits & mixed fastener sets range (Fastener Sets & Assemblies). ### Key details - **Type:** Hexagon Head - **Standard:** DIN, ANSI, GB, JIS, BSW, Accept Non-Standard - **Material:** Carbon Steel - **Grade:** 8.8/10.9/12.9/5/8/9 - **Thread:** Metric or Inch - **Head Style:** Hexagonal - **Finish:** Color-Zinc Plated - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and finish. 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$0.012 – 0.24 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 Hex Head Sems Screws Assembled Plain Washer Spring Washer? The listed minimum order is 1,000 pieces, at US$0.012 – 0.24 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 Hex Head Sems Screws Assembled Plain Washer Spring Washer? Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, Accept Non-Standard; Material: Carbon Steel; Grade: 8.8/10.9/12.9/5/8/9; Thread: Metric or Inch; Head Style: Hexagonal. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include material, head style, standard, grade and finish. 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/) [![39mm Split Set Stabilizers Used for Mine High Quality Friction Bolt with Factory Price](https://img.engineeringhardware.com/39mm-Split-Set-Stabilizers-Used-for-Mine-High-Quality-Friction-Bolt-with-Factory-Price.webp)](https://engineeringhardware.com/product/39mm-split-set-stabilizers-used-for-mine-high-quality-friction-bolt-with-factory/) Assortment Kits & Mixed Fastener Sets ### [39mm Split Set Stabilizers Used for Mine High Quality Friction Bolt with Factory Price](https://engineeringhardware.com/product/39mm-split-set-stabilizers-used-for-mine-high-quality-friction-bolt-with-factory/) Split Set · GB **US$2.40 – 8.40**MOQ 100 pieces [![Pan Head Cross Combination Screw with Flat Washer Combination Set Phillips 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