--- title: "Hex Slotted Nut M16 Castle Nut High Strength Black Hex Nut" description: "Hex Slotted Nut M16 Castle Nut High Strength Black Hex Nut — T-Nuts, Slot Nuts & Channel Spring Nuts. MOQ 1,000 pieces, US$0.036 – 0.36." url: https://engineeringhardware.com/product/hex-slotted-nut-m16-castle-nut-high-strength-black-hex-nut/ source: Engineering Hardware & Fasteners --- # Hex Slotted Nut M16 Castle Nut High Strength Black Hex Nut [![Hex Slotted Nut M16 Castle Nut High Strength Black Hex Nut](https://img.engineeringhardware.com/Hex-Slotted-Nut-M16-Castle-Nut-High-Strength-Black-Hex-Nut.webp)](https://img.engineeringhardware.com/Hex-Slotted-Nut-M16-Castle-Nut-High-Strength-Black-Hex-Nut.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › T-Nuts, Slot Nuts & Channel Spring Nuts](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/hex-slotted-nut-m16-castle-nut-high-strength-black-hex-nut.md) Model no. **WCN01** US$0.036 – 0.36 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** 4-Pronged T Nut - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Grade:** 304 316 - **Package Size:** 27.00cm * 20.00cm * 17.00cm - **Material:** Stainless Steel 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%20Slotted%20Nut%20M16%20Castle%20Nut%20High%20Strength%20Black%20Hex%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhex-slotted-nut-m16-castle-nut-high-strength-black-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 | Model NO. | WCN01 | | --- | --- | | Connection | Common Bolt | | Head Style | 4-Pronged T Nut | | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Grade | 304 316 | | Transport Package | in Bulk or in Small Box, Small Box+Carton | | Specification | M4-M20 | | Origin | China | | HS Code | 7318160000 | | Production Capacity | 1500tons/Year | | Package Size | 27.00cm * 20.00cm * 17.00cm | | Package Gross Weight | 25.000kg | | Customization | Available | | Material | Stainless Steel | | Type | 4-Pronged T Nut | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Category | [T-Nuts, Slot Nuts & Channel Spring Nuts](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/) | ## Technical parameters | Material | 1.StainlessSteel:SS201,SS303,SS304,SS316,SS410,SS420,2205,2507 2.Steel: 35CrMoA, 35CrMo, 30CrMoA, 30CrMo, 42Cr2MoA, 42Cr2Mo; 3.Carbon Steel: 1010,1035,1045 4.Aluminum or Aluminum Alloy:Al6061,Al6063,Al7075,etc 5.Brass:H59,H62,Copper,Bronze | | --- | --- | | Grade | A2-70,A2-70, A4-70,A4-80,2205,2507 Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc. A193-B7, B7M, L7, L7M, B16, B8, B8A, B8M, B8MA, A194-2H, 2HM, Gr. 4, GR. 7, 7M, 8, 8M, 8C SAE J429 Grade1, 2,5,8 A307 Grades A, B, C | | Finish | Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc. | | Thread | UNC,UNF,UEF,UN,UNS | | Standard | ISO, DIN, ANSI, JIS, BS and Non-standard | | Sample Service | Samples are all in free. | | Certificate | ISO9001,CE, SGS, BV | | Advantage | 1. Competitive price; 2. OEM service available | | Packing | Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand | | Payment terms | FOB, CIF, CFR, L/C, or others. | | Delivery method | by sea, by air or by express service | | Lead Time | 7-15 work days after order confirmed | | Application | Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc. | | Notes | Special specifications and marks can be made according to customers requirements; | ## Description Hex Slotted Nut M16 Castle Nut High Strength Black Hex Nut is part of our t-nuts, slot nuts & channel spring nuts range (Nuts). ### Key details - **Type:** 4-Pronged T Nut - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Material:** Stainless Steel - **Grade:** 304 316 - **Head Style:** 4-Pronged T Nut - **Connection:** Common Bolt Available configurations include head style, standard, grade, package size and material. 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$0.036 – 0.36 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 Slotted Nut M16 Castle Nut High Strength Black Hex Nut? The listed minimum order is 1,000 pieces, at US$0.036 – 0.36 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 Slotted Nut M16 Castle Nut High Strength Black Hex Nut? Type: 4-Pronged T Nut; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Stainless Steel; Grade: 304 316; Head Style: 4-Pronged T Nut; Connection: Common Bolt. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head style, standard, grade, package size and material. 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 t-nuts, slot nuts & channel spring nuts are available? The T-Nuts, Slot Nuts & Channel Spring Nuts category lists 1,888 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-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 T-Nuts, Slot Nuts & Channel Spring Nuts →](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/) [![Factory Direct Sale Carbon Steel Nut Trapezoidal Square T Nut](https://img.engineeringhardware.com/Factory-Direct-Sale-Carbon-Steel-Nut-Trapezoidal-Square-T-Nut.webp)](https://engineeringhardware.com/product/factory-direct-sale-carbon-steel-nut-trapezoidal-square-t-nut/) T-Nuts, Slot Nuts & Channel Spring Nuts ### [Factory Direct Sale Carbon Steel Nut Trapezoidal Square T Nut](https://engineeringhardware.com/product/factory-direct-sale-carbon-steel-nut-trapezoidal-square-t-nut/) Square Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.084 – 0.60**MOQ 500 pieces [![Tee Nuts with 4-Pronged Insert Claw T Nut 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Channel Spring Nuts ### [Channel Nut with Spring Nut](https://engineeringhardware.com/product/channel-nut-with-spring-nut/) Spring Nut · DIN, ANSI, GB, JIS, GOST, BSW **US$0.06**MOQ 500 pieces **US$0.036 – 0.36**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%20Hex%20Slotted%20Nut%20M16%20Castle%20Nut%20High%20Strength%20Black%20Hex%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fhex-slotted-nut-m16-castle-nut-high-strength-black-hex-nut%2F)