--- title: "High-Performance Castle Nut Slotted Hex Nut" description: "High-Performance Castle Nut Slotted Hex Nut — Slotted & Castle Nuts. Material: Stainless Steel, Standard: DIN. MOQ 10,000 pieces, US$0.006 – 0.036." url: https://engineeringhardware.com/product/high-performance-castle-nut-slotted-hex-nut/ source: Engineering Hardware & Fasteners --- # High-Performance Castle Nut Slotted Hex Nut [![High-Performance Castle Nut Slotted Hex Nut](https://img.engineeringhardware.com/High-Performance-Castle-Nut-Slotted-Hex-Nut.webp)](https://img.engineeringhardware.com/High-Performance-Castle-Nut-Slotted-Hex-Nut.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/high-performance-castle-nut-slotted-hex-nut.md) Model no. **Slotted Nuts** | **US$0.036**10,000–49,999 pieces | **US$0.012**50,000–999,999 pieces | **US$0.006**1,000,000+ pieces | | --- | --- | --- | MOQ 10,000 pieces · Final price confirmed in your quote - **Material:** Stainless Steel - **Head Style:** Round - **Standard:** DIN - **Grade:** 4.8/8.8/10.9/12.9 - **Surface Treatment:** Zine/Black/Yellow - **Size:** M6-M30 - **Package Size:** 80.00cm * 120.00cm * 60.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20High-Performance%20Castle%20Nut%20Slotted%20Hex%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-performance-castle-nut-slotted-hex-nut%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 | Stainless Steel | | Type | Hexagon Head | | Model NO. | Slotted Nuts | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN | | Grade | 4.8/8.8/10.9/12.9 | | Surface Treatment | Zine/Black/Yellow | | Payment | T/T L/C D/a D/P | | Size | M6-M30 | | Transport Package | Box+Carton+Pallet | | Origin | Hebei, China | | Production Capacity | 1000000PCS/Days | | Package Size | 80.00cm * 120.00cm * 60.00cm | | Package Gross Weight | 0.120kg | | Product Presentation | The nut, which is screwed together with a bolt or screw for fastening, is a necessary element in all manufacturing machinery. There are many kinds of nuts, we commonly have gb, German standard, British standard, American standard, Japanese standard nuts. According to different materials, nuts can be divided into carbon steel, stainless steel, non-ferrous metal and other major types. | | Life more locknut principle is | use the nut has two parts, each part has staggered CAM, due to internal wedge Angle design of slope Angle is greater than the bolt nut, the combined tightly bite into a whole, when the vibration occurs, the raised portion are performed.the locknut, raising tension, which can achieve perfect effect of locking. | | The main uses of stud are | 1, in the main body of large equipment, need to install the accessories, such as sight glasses, mechanical seal, deceleration machine frame, etc., this is just use the stud, end turned into the main body, the other end with nut after installed accessories, because the attachment is often removed, thread will wear or damage, use the stud replacement will be very convenient. | | Category | [Slotted & Castle Nuts](https://engineeringhardware.com/fastener-products/nuts/slotted-castle-nuts/) | ## Technical parameters | Product name | Hexagonal Slotted Nuts/Castle Nut | | --- | --- | | Material | Stainless steel/carbon steel | | Sizes | M6-M30 | | Grade | 4.8/8.8/10.9/12.9 | | Paking | Box+Carton+Pallet | | Payment | T/T L/C D/A D/P | | Standard | DIN/ASTM | | Surface treadment | Zinc/Black/Yellow | | Used | Building, Machinery, Chemical Indust, Environment | | --- | --- | | Delivery Time | 7-30days | | R&D Capacity | OEM;Own Brand;ODM;Others | | Transport Package | 20-25kg/Cartons+900kg/Pallets | | Origin | China | | Length | 100-300mm | | Business Type | Manufacturer/Factory | | Specification | M8 M10 M12 | ## Description High-Performance Castle Nut Slotted Hex Nut is part of our slotted & castle nuts range (Nuts). ### Key details - **Type:** Hexagon Head - **Standard:** DIN - **Material:** Stainless Steel - **Grade:** 4.8/8.8/10.9/12.9 - **Size:** M6-M30 - **Head Style:** Round - **Surface Treatment:** Zine/Black/Yellow - **Connection:** Common Bolt Available configurations include material, head style, standard, grade and surface treatment. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 10,000 pieces at US$0.006 – 0.036 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 High-Performance Castle Nut Slotted Hex Nut? The listed minimum order is 10,000 pieces, at US$0.006 – 0.036 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$0.036 for 10,000–49,999 pieces; US$0.012 for 50,000–999,999 pieces; US$0.006 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of High-Performance Castle Nut Slotted Hex Nut? Type: Hexagon Head; Standard: DIN; Material: Stainless Steel; Grade: 4.8/8.8/10.9/12.9; Size: M6-M30; Head Style: Round. 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 surface treatment. 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/) [![M4-M64 Metric DIN935 Castle Nut Zinc Plated Hex Slotted Nut Heavy-Duty Safety Fastener](https://img.engineeringhardware.com/M4-M64-Metric-DIN935-Castle-Nut-Zinc-Plated-Hex-Slotted-Nut-Heavy-Duty-Safety-Fastener.webp)](https://engineeringhardware.com/product/m4-m64-metric-din935-castle-nut-zinc-plated-hex-slotted-nut-heavy-duty-safety/) Slotted & Castle Nuts ### [M4-M64 Metric DIN935 Castle Nut Zinc Plated Hex Slotted Nut Heavy-Duty Safety Fastener](https://engineeringhardware.com/product/m4-m64-metric-din935-castle-nut-zinc-plated-hex-slotted-nut-heavy-duty-safety/) Castle / Slotted Nut · DIN **US$0.096 – 0.36**MOQ 1,000 pieces [![Custom High Strength Black Oxide Round Nut/Locks Slotted Nut for All 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Nut](https://engineeringhardware.com/product/factory-stainless-steel-galvanized-black-castle-hexagon-slotted-nut/) Hexagon Head · DIN, ANSI **US$0.12 – 0.36**MOQ 50 pieces [![DIN935 Galvanize/Black Carbon Steel/Stainless Steel Hexagon Slotted Nut Castle Nut](https://img.engineeringhardware.com/DIN935-Galvanize-Black-Carbon-Steel-Stainless-Steel-Hexagon-Slotted-Nut-Castle-Nut.webp)](https://engineeringhardware.com/product/din935-galvanize-black-carbon-steel-stainless-steel-hexagon-slotted-nut-castle-nut/) Slotted & Castle Nuts ### [DIN935 Galvanize/Black Carbon Steel/Stainless Steel Hexagon Slotted Nut Castle Nut](https://engineeringhardware.com/product/din935-galvanize-black-carbon-steel-stainless-steel-hexagon-slotted-nut-castle-nut/) Wall Formwork · Cast Iron **US$0.0012 – 0.12**MOQ 10,000 pieces [![Carbon Steel Black Oxide Hex Slotted Nut DIN 935 Castle Nut M8 M10 M12 M16 Black Finished Slotted Nut Precision Fastener](https://img.engineeringhardware.com/Carbon-Steel-Black-Oxide-Hex-Slotted-Nut-DIN-935-Castle-Nut-M8-M10-M12-M16-Black-Finished-Slotted-Nut-Precision-Fastener.webp)](https://engineeringhardware.com/product/carbon-steel-black-oxide-hex-slotted-nut-din-935-castle-nut-m8-m10-m12-m16-black/) Slotted & Castle Nuts ### [Carbon Steel Black Oxide Hex Slotted Nut DIN 935 Castle Nut M8 M10 M12 M16 Black Finished Slotted Nut Precision Fastener](https://engineeringhardware.com/product/carbon-steel-black-oxide-hex-slotted-nut-din-935-castle-nut-m8-m10-m12-m16-black/) Hexagon Head · DIN, ANSI, GB, JIS, BSW **US$0.36 – 1.20**MOQ 1,000 pieces [![Ti64 Titanium Grade 5 Hex Flange Slotted Castle Nuts for Motorcycle and Bicycle Wheel Axle Hub](https://img.engineeringhardware.com/Ti64-Titanium-Grade-5-Hex-Flange-Slotted-Castle-Nuts-for-Motorcycle-and-Bicycle-Wheel-Axle-Hub.webp)](https://engineeringhardware.com/product/ti64-titanium-grade-5-hex-flange-slotted-castle-nuts-for-motorcycle-and-bicycle/) Slotted & Castle Nuts ### [Ti64 Titanium Grade 5 Hex Flange Slotted Castle Nuts for Motorcycle and Bicycle Wheel Axle Hub](https://engineeringhardware.com/product/ti64-titanium-grade-5-hex-flange-slotted-castle-nuts-for-motorcycle-and-bicycle/) RoHS, CE, ISO · Cap Head **US$0.06 – 24.00**MOQ 1 piece [![China Factory, Stainless Steel Nuts, DIN935 Hexagon Castle Nuts, Slotted Hex Nuts DIN935](https://img.engineeringhardware.com/China-Factory-Stainless-Steel-Nuts-DIN935-Hexagon-Castle-Nuts-Slotted-Hex-Nuts-DIN935.webp)](https://engineeringhardware.com/product/china-factory-stainless-steel-nuts-din935-hexagon-castle-nuts-slotted-hex-nuts-din935/) Slotted & Castle Nuts ### [China Factory, Stainless Steel Nuts, DIN935 Hexagon Castle Nuts, Slotted Hex Nuts DIN935](https://engineeringhardware.com/product/china-factory-stainless-steel-nuts-din935-hexagon-castle-nuts-slotted-hex-nuts-din935/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.12**MOQ 1 piece [![M30 M33*3.5mm Pitch Metric A4-70 Stainless Steel Hex Castle Nut DIN935](https://img.engineeringhardware.com/M30-M33-3-5mm-Pitch-Metric-A4-70-Stainless-Steel-Hex-Castle-Nut-DIN935.webp)](https://engineeringhardware.com/product/m30-m33-3-5mm-pitch-metric-a4-70-stainless-steel-hex-castle-nut-din935/) Slotted & Castle Nuts ### [M30 M33*3.5mm Pitch Metric A4-70 Stainless Steel Hex Castle Nut DIN935](https://engineeringhardware.com/product/m30-m33-3-5mm-pitch-metric-a4-70-stainless-steel-hex-castle-nut-din935/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.012 – 6.79**MOQ 100 pieces **US$0.006 – 0.036**MOQ 10,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20High-Performance%20Castle%20Nut%20Slotted%20Hex%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhigh-performance-castle-nut-slotted-hex-nut%2F)