--- title: "OEM High Strength Castle Nuts and Hex Slotted Nuts" description: "OEM High Strength Castle Nuts and Hex Slotted Nuts — Slotted & Castle Nuts. MOQ 2,000 pieces, US$0.012 – 0.048." url: https://engineeringhardware.com/product/oem-high-strength-castle-nuts-and-hex-slotted-nuts/ source: Engineering Hardware & Fasteners --- # OEM High Strength Castle Nuts and Hex Slotted Nuts [![OEM High Strength Castle Nuts and Hex Slotted Nuts](https://img.engineeringhardware.com/OEM-High-Strength-Castle-Nuts-and-Hex-Slotted-Nuts.webp)](https://img.engineeringhardware.com/OEM-High-Strength-Castle-Nuts-and-Hex-Slotted-Nuts.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Slotted & Castle Nuts](https://engineeringhardware.com/fastener-products/nuts/slotted-castle-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/oem-high-strength-castle-nuts-and-hex-slotted-nuts.md) Model no. **SKS-SN-132** | **US$0.048**2,000–4,999 pieces | **US$0.036**5,000–9,999 pieces | **US$0.012**10,000+ pieces | | --- | --- | --- | MOQ 2,000 pieces · Final price confirmed in your quote - **Material:** Aluminum/Stainless Steel / Carbon Steel/Tianium/B - **Head Style:** Hexagonal - **Color:** We Can Provide Customized Services According to Yo - **Other Head Type:** Square Type, T Type ,Wing Type, U Type,Round Type, Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20OEM%20High%20Strength%20Castle%20Nuts%20and%20Hex%20Slotted%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Foem-high-strength-castle-nuts-and-hex-slotted-nuts%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 | Aluminum/Stainless Steel / Carbon Steel/Tianium/B | | Type | Hexagon Head | | Model NO. | SKS-SN-132 | | Head Style | Hexagonal | | Color | We Can Provide Customized Services According to Yo | | Other Head Type | Square Type, T Type ,Wing Type, U Type,Round Type, | | Service | OEM or ODM | | Application | Heavy Industry, General Industry, Automotive Indus | | Transport Package | Wooden Case | | Specification | All size | | Origin | China | | Production Capacity | 1000tons/Month | | Category | [Slotted & Castle Nuts](https://engineeringhardware.com/fastener-products/nuts/slotted-castle-nuts/) | ## Technical parameters | Size | M1-M160 | | --- | --- | | Material | Stainless Steel | | Height | Customizable | | Finish | Plain | ## Description OEM High Strength Castle Nuts and Hex Slotted Nuts is part of our slotted & castle nuts range (Nuts). ### Key details - **Type:** Hexagon Head - **Material:** Aluminum/Stainless Steel / Carbon Steel/Tianium/B - **Head Style:** Hexagonal - **Application:** Heavy Industry, General Industry, Automotive Indus - **Color:** We Can Provide Customized Services According to Yo - **Other Head Type:** Square Type, T Type ,Wing Type, U Type,Round Type, - **Service:** OEM or ODM Available configurations include material, head style, color and other head type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 2,000 pieces at US$0.012 – 0.048 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 OEM High Strength Castle Nuts and Hex Slotted Nuts? The listed minimum order is 2,000 pieces, at US$0.012 – 0.048 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$0.048 for 2,000–4,999 pieces; US$0.036 for 5,000–9,999 pieces; US$0.012 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of OEM High Strength Castle Nuts and Hex Slotted Nuts? Type: Hexagon Head; Material: Aluminum/Stainless Steel / Carbon Steel/Tianium/B; Head Style: Hexagonal; Application: Heavy Industry, General Industry, Automotive Indus; Color: We Can Provide Customized Services According to Yo; Other Head Type: Square Type, T Type ,Wing Type, U Type,Round Type,. 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, color and other head type. 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 slotted & castle nuts are available? The Slotted & Castle Nuts category lists 493 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/slotted-castle-nuts/](https://engineeringhardware.com/fastener-products/nuts/slotted-castle-nuts/) 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 Slotted & Castle Nuts →](https://engineeringhardware.com/fastener-products/nuts/slotted-castle-nuts/) [![Wholesale Metric DIN935 Brass Castle Slotted Nut Slotted Cotter Pin Thread for Mechanical Assembly Threaded Fastener](https://img.engineeringhardware.com/Wholesale-Metric-DIN935-Brass-Castle-Slotted-Nut-Slotted-Cotter-Pin-Thread-for-Mechanical-Assembly-Threaded-Fastener.webp)](https://engineeringhardware.com/product/wholesale-metric-din935-brass-castle-slotted-nut-slotted-cotter-pin-thread-for/) Slotted & Castle Nuts ### [Wholesale Metric DIN935 Brass Castle Slotted Nut Slotted Cotter Pin Thread for Mechanical Assembly Threaded Fastener](https://engineeringhardware.com/product/wholesale-metric-din935-brass-castle-slotted-nut-slotted-cotter-pin-thread-for/) Castle Type · DIN, ANSI, GB, JIS, BSW **US$0.036 – 0.36**MOQ 10,000 pieces [![Hex Slotted and Castle Nuts (M6-M68 DIN979)](https://img.engineeringhardware.com/Hex-Slotted-and-Castle-Nuts-M6-M68-DIN979.webp)](https://engineeringhardware.com/product/hex-slotted-and-castle-nuts-m6-m68-din979/) Slotted & Castle Nuts ### [Hex Slotted and Castle Nuts (M6-M68 DIN979)](https://engineeringhardware.com/product/hex-slotted-and-castle-nuts-m6-m68-din979/) Hexagon Head · DIN, ANSI, GB, BSW **US$0.024**MOQ 10 pieces [![DIN935 M33 M24 Stainless Steel Carbon Steel High Quality Hexagon Slotted Nuts Flange Hex Castle Nut](https://img.engineeringhardware.com/DIN935-M33-M24-Stainless-Steel-Carbon-Steel-High-Quality-Hexagon-Slotted-Nuts-Flange-Hex-Castle-Nut.webp)](https://engineeringhardware.com/product/din935-m33-m24-stainless-steel-carbon-steel-high-quality-hexagon-slotted-nuts-flange/) Slotted & Castle Nuts ### [DIN935 M33 M24 Stainless Steel Carbon Steel High Quality Hexagon Slotted Nuts Flange Hex Castle Nut](https://engineeringhardware.com/product/din935-m33-m24-stainless-steel-carbon-steel-high-quality-hexagon-slotted-nuts-flange/) Hexagon Head · DIN, ANSI, GB, JIS, BSW **US$0.012 – 0.036**MOQ 10,000 pieces [![M12 X 1.25 Hexagon Slotted Nuts Moto Car Connecting Rod Wheel Alxe Hub Castle Nut for 150cc 250cc Quad Dirt Bike ATV UTV Buggy](https://img.engineeringhardware.com/M12-X-1-25-Hexagon-Slotted-Nuts-Moto-Car-Connecting-Rod-Wheel-Alxe-Hub-Castle-Nut-for-150cc-250cc-Quad-Dirt-Bike-ATV-UTV-Buggy.webp)](https://engineeringhardware.com/product/m12-x-1-25-hexagon-slotted-nuts-moto-car-connecting-rod-wheel-alxe-hub-castle-nut/) Slotted & Castle Nuts ### [M12 X 1.25 Hexagon Slotted Nuts Moto Car Connecting Rod Wheel Alxe Hub Castle Nut for 150cc 250cc Quad Dirt Bike ATV UTV Buggy](https://engineeringhardware.com/product/m12-x-1-25-hexagon-slotted-nuts-moto-car-connecting-rod-wheel-alxe-hub-castle-nut/) Hexagon Head · DIN, ANSI, GB, JIS, GOST **US$0.012 – 0.036**MOQ 500 pieces [![M22 M24 M27 Stainless Steel Hexagon Castle Nut](https://img.engineeringhardware.com/M22-M24-M27-Stainless-Steel-Hexagon-Castle-Nut.webp)](https://engineeringhardware.com/product/m22-m24-m27-stainless-steel-hexagon-castle-nut/) Slotted & Castle Nuts ### [M22 M24 M27 Stainless Steel Hexagon Castle Nut](https://engineeringhardware.com/product/m22-m24-m27-stainless-steel-hexagon-castle-nut/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW, ISO **US$0.036 – 0.072**MOQ 1,000 pieces [![High Precision Stainless Steel 304 Crown Shaped Hex Soltted Nut M6 M8 Hexagon Castle Nuts](https://img.engineeringhardware.com/High-Precision-Stainless-Steel-304-Crown-Shaped-Hex-Soltted-Nut-M6-M8-Hexagon-Castle-Nuts.webp)](https://engineeringhardware.com/product/high-precision-stainless-steel-304-crown-shaped-hex-soltted-nut-m6-m8-hexagon-castle/) Slotted & Castle Nuts ### [High Precision Stainless Steel 304 Crown Shaped Hex Soltted Nut M6 M8 Hexagon Castle Nuts](https://engineeringhardware.com/product/high-precision-stainless-steel-304-crown-shaped-hex-soltted-nut-m6-m8-hexagon-castle/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.17 – 0.84**MOQ 1,000 pieces [![Carbon Steel Hexagon Slotted Nut/Castle Nut](https://img.engineeringhardware.com/Carbon-Steel-Hexagon-Slotted-Nut-Castle-Nut.webp)](https://engineeringhardware.com/product/carbon-steel-hexagon-slotted-nut-castle-nut/) Slotted & Castle Nuts ### [Carbon Steel Hexagon Slotted Nut/Castle Nut](https://engineeringhardware.com/product/carbon-steel-hexagon-slotted-nut-castle-nut/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW, ISO **US$0.048 – 0.084**MOQ 1,000 pieces [![DIN935 Cheap Hexagon Slotted and Castle Nut](https://img.engineeringhardware.com/DIN935-Cheap-Hexagon-Slotted-and-Castle-Nut.webp)](https://engineeringhardware.com/product/din935-cheap-hexagon-slotted-and-castle-nut/) Slotted & Castle Nuts ### [DIN935 Cheap Hexagon Slotted and Castle Nut](https://engineeringhardware.com/product/din935-cheap-hexagon-slotted-and-castle-nut/) Hexagon Head · DIN, ANSI, GB, JIS, BSW **US$0.0252 – 0.0276**MOQ 1,000 pieces **US$0.012 – 0.048**MOQ 2,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20OEM%20High%20Strength%20Castle%20Nuts%20and%20Hex%20Slotted%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Foem-high-strength-castle-nuts-and-hex-slotted-nuts%2F)