--- title: "Stainless Steel 304 316 Lock Nut" description: "Stainless Steel 304 316 Lock Nut — Nylon-Insert & All-Metal Lock Nuts. Material: Stainless Steel. MOQ 1 piece, US$1.32 – 1.80." url: https://engineeringhardware.com/product/stainless-steel-304-316-lock-nut/ source: Engineering Hardware & Fasteners --- # Stainless Steel 304 316 Lock Nut [![Stainless Steel 304 316 Lock Nut](https://img.engineeringhardware.com/Stainless-Steel-304-316-Lock-Nut.webp)](https://img.engineeringhardware.com/Stainless-Steel-304-316-Lock-Nut.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/stainless-steel-304-316-lock-nut.md) Model no. **Heavy/Middle/Light** | **US$1.80**1–99 pieces | **US$1.56**100–299 pieces | **US$1.44**300–499 pieces | **US$1.32**500+ pieces | | --- | --- | --- | --- | MOQ 1 piece · Final price confirmed in your quote - **Head Code:** Round - **Thread Distribution:** Internal Thread - **Surface:** Polish - **Material:** Stainless Steel - **Customized:** Customized - **Thread:** BSPT/NPT - **Standard:** ASTM / JIS / DIN / BS / GB/GOST - **Model-1:** Tee(Straight and Reducing)/Elbow (45/90/180 Deg) Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Stainless%20Steel%20304%20316%20Lock%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fstainless-steel-304-316-lock-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 | | --- | --- | | Head Code | Round | | Thread Distribution | Internal Thread | | Surface | Polish | | Material | Stainless Steel | | Technics | Casting | | Customized | Customized | | Certification | CQC, CCC, PSE, TUV, VDE | | Warranty | 5 Years | | Name | Stainless Steel Pipe Fittings | | Thread | BSPT/NPT | | Stainless Steel | 304 304L 316 316L | | Standard | ASTM / JIS / DIN / BS / GB/GOST | | Model-1 | Tee(Straight and Reducing)/Elbow (45/90/180 Deg) | | Model-2 | 180 Deg Return/Cap | | Model-3 | Reducer(Concentric and Eccentric) | | Type | Threaded | | Szie | 1/2"-6"(DN15-DN150) | | MOQ | 1 PCS | | Lead Time | 10-30 Days | | Related Products | CS Nipples/Gi Fittings/Flanges/Valves | | Model | Heavy/Middle/Light | | Packaging Details | Cartons ,Pallets | | Transport Package | Cartons | | Specification | 1/2"-6"(Dn15-Dn150) | | Origin | Hebei | | HS Code | 7307290000 | | Production Capacity | 100000 Tons Per Year | | Answer | The purchase volume of mixed products is 4 tons | | Category | [Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) | ## Technical parameters | Material | High quality stainless steel AISI 304,316,304L,316L | | | --- | --- | --- | | Standard | ANSI,DIN,JIS,BS | | | Thread | NPT,BSP,BSPT,DIN2999 | | | Size | 1/4",3/8",1/2",3/4",1",11/4",11/2",2",21/2",3",4",5",6 | | | Model | Elbows, Tees, Crosses, Bends, Unions, Bushings, Lateral Y Braches, | | | Sockets, Nipples, Hexagon/Round Caps, Plugs, Locknuts, Flanges, | | | | Side Outlet Tees, Side Outlet Elbows, etc. | | | | Related products | 1. Carbon steel nipples and sockets | 2. Flanges | | 3. Carbon steel butt-welding fittings | 4. Pipes | | | 5. High-pressure fittings | 6. Valves | | | 7. P.T.F.E .thread seal tape | 8. Brass fittings | | | 9. Ductile iron pipe fittings | 10. Copper fittings | | | 11. Grooved fittings | 12. Sanitary fittings, etc. | | | Technics | Casting,Welding | | | Connection | Male, Female | | | Shape | Equal, Reducing | | | Certificate | BSI, ISO900 | | | Applications | Suitable for Pipe lines connect of water, steam, air, gas, oil and so on. | | | Buyer's drawings or designs are available. | | | | Package | 1. Cartons without pallets. | | | 2. Cartons with pallets. | | | | Or as buyer's requirements. | | | | Delivery detail | | | | According to the quantities and specifications of each order. | | | | Normal delivery time is from 30 to 45 days after receiving the deposit. | | | ## Description Stainless Steel 304 316 Lock Nut is part of our nylon-insert & all-metal lock nuts range (Nuts). ### Key details - **Type:** Threaded - **Standard:** ASTM / JIS / DIN / BS / GB/GOST - **Material:** Stainless Steel - **Thread:** BSPT/NPT - **Certification:** CQC, CCC, PSE, TUV, VDE - **Head Code:** Round - **Thread Distribution:** Internal Thread - **Surface:** Polish Available configurations include head code, thread distribution, surface, material and customized. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 piece at US$1.32 – 1.80 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 Stainless Steel 304 316 Lock Nut? The listed minimum order is 1 piece, at US$1.32 – 1.80 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$1.80 for 1–99 pieces; US$1.56 for 100–299 pieces; US$1.44 for 300–499 pieces; US$1.32 for 500+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Stainless Steel 304 316 Lock Nut? Type: Threaded; Standard: ASTM / JIS / DIN / BS / GB/GOST; Material: Stainless Steel; Thread: BSPT/NPT; Certification: CQC, CCC, PSE, TUV, VDE; Head Code: Round. The full specification table and any technical parameter tables are listed on this page. ### Can this product be customized (OEM)? Listed configurations include head code, thread distribution, surface, material and customized. 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 nylon-insert & all-metal lock nuts are available? The Nylon-Insert & All-Metal Lock Nuts category lists 2,493 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-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 Nylon-Insert & All-Metal Lock Nuts →](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) [![Nylon Lock Nuts DIN985 DIN982 Stainless Steel Hardware Hexagon Head](https://img.engineeringhardware.com/Nylon-Lock-Nuts-DIN985-DIN982-Stainless-Steel-Hardware-Hexagon-Head.webp)](https://engineeringhardware.com/product/nylon-lock-nuts-din985-din982-stainless-steel-hardware-hexagon-head/) Nylon-Insert & All-Metal Lock Nuts ### [Nylon Lock Nuts DIN985 DIN982 Stainless Steel Hardware Hexagon Head](https://engineeringhardware.com/product/nylon-lock-nuts-din985-din982-stainless-steel-hardware-hexagon-head/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.012 – 6.79**MOQ 100 pieces [![Hex Nut & Thin Hex Nut Long Coupling Nut Stainless Steel Carbon Steel Hexagonal Connecting Nut Lock Nut Hardware Fastener 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