--- title: "Bearing Lock Nut / Km Nut / DIN981 /Round Nut" description: "Bearing Lock Nut / Km Nut / DIN981 /Round Nut — Nylon-Insert & All-Metal Lock Nuts. Size: as Required. MOQ 5,000 pieces, US$0.096 – 0.12." url: https://engineeringhardware.com/product/bearing-lock-nut-km-nut-din981-round-nut/ source: Engineering Hardware & Fasteners --- # Bearing Lock Nut / Km Nut / DIN981 /Round Nut [![Bearing Lock Nut / Km Nut / DIN981 /Round Nut](https://img.engineeringhardware.com/Bearing-Lock-Nut-Km-Nut-DIN981-Round-Nut-2.webp)](https://img.engineeringhardware.com/Bearing-Lock-Nut-Km-Nut-DIN981-Round-Nut-2.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/bearing-lock-nut-km-nut-din981-round-nut.md) Model no. **DIN 981 / KM** | **US$0.12**5,000–9,999 pieces | **US$0.096**10,000+ pieces | | --- | --- | MOQ 5,000 pieces · Final price confirmed in your quote - **Material:** Carbon Steel, Stainless Steel - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Model Number:** DIN 981 / Km - **Size:** as Required - **Color:** Black/Sliver - **Surface Finish:** Black Oxide, Zinc Plating, Plain. - **Available Raw Material:** carbon 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%20Bearing%20Lock%20Nut%20%2F%20Km%20Nut%20%2F%20DIN981%20%2FRound%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fbearing-lock-nut-km-nut-din981-round-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 | Material | Carbon Steel, Stainless Steel | | --- | --- | | Type | Round Head | | Connection | Lock Washer DIN5406 | | Model NO. | DIN 981 / KM | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS, GOST, BSW | | Model Number | DIN 981 / Km | | Product Name | Bearing Lock Nut / Km Nut | | Size | as Required | | Package | Carton+Pallet | | Delivery Time | 15-20days | | Industry | Fastener | | Measurement | Metric, Imperial (Inch) | | Supply Ability | 1000 Tons Per Month | | MOQ | 2000PCS | | Sample | Available | | Certificate | ISO 9001 2015/ISO 14001 2015 | | Color | Black/Sliver | | Located | Shanghai | | Condition | New | | Transport Package | Inner Box + Outer Carton + Wooden Pallet | | Specification | DIN, ANSI, BS, UNI | | Origin | China | | HS Code | 7318290000 | | Production Capacity | 3 Millions | | Surface Finish | Black Oxide, Zinc Plating, Plain. | | Available Raw Material | carbon steel, | | Surface finishing | Galvanized (Various of color), dacromet, zinc plated ,nickle Alloy plated, polishing | | Heat Treatment | Carburization or tempering or high-frequency quenching | | Packing | BULK +canton+pallet, Small Boxes+carton+pallet, or customer request | | Category | [Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) | ## Technical parameters | Available Raw Material : | carbon steel, | | --- | --- | | alloy steel | | | stainless steel | | | brass,bronze, | | | Standard: | DIN, ANSI,BS ISO,UNI,Non-standard | | Surface finishing : | Galvanized (Various of color), dacromet, zinc plated ,nickle Alloy plated, polishing | | Heat Treatment: | Carburization or tempering or high-frequency quenching | | Packing : | BULK +canton+pallet, Small Boxes+carton+pallet, or customer request | ## Description Bearing Lock Nut / Km Nut / DIN981 /Round Nut is part of our nylon-insert & all-metal lock nuts range (Nuts). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, GB, JIS, GOST, BSW - **Material:** Carbon Steel, Stainless Steel - **Size:** as Required - **Head Style:** Round - **Connection:** Lock Washer DIN5406 - **Model Number:** DIN 981 / Km - **Product Name:** Bearing Lock Nut / Km Nut Available configurations include material, head style, standard, model number and size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 5,000 pieces at US$0.096 – 0.12 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 Bearing Lock Nut / Km Nut / DIN981 /Round Nut? The listed minimum order is 5,000 pieces, at US$0.096 – 0.12 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$0.12 for 5,000–9,999 pieces; US$0.096 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 Bearing Lock Nut / Km Nut / DIN981 /Round Nut? Type: Round Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel, Stainless Steel; Size: as Required; Head Style: Round; Connection: Lock Washer DIN5406. 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, model number and size. 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/) [![Good Quality DIN7967 PAL Lock Nut](https://img.engineeringhardware.com/Good-Quality-DIN7967-PAL-Lock-Nut.webp)](https://engineeringhardware.com/product/good-quality-din7967-pal-lock-nut/) Nylon-Insert & All-Metal Lock Nuts ### [Good Quality DIN7967 PAL Lock Nut](https://engineeringhardware.com/product/good-quality-din7967-pal-lock-nut/) Hexagon Head · DIN, ANSI **US$1.20**MOQ 100 pieces [![ANSI Nylon Nuts Nylon Insert Hex Lock Nuts](https://img.engineeringhardware.com/ANSI-Nylon-Nuts-Nylon-Insert-Hex-Lock-Nuts.webp)](https://engineeringhardware.com/product/ansi-nylon-nuts-nylon-insert-hex-lock-nuts/) Nylon-Insert & All-Metal Lock Nuts ### [ANSI Nylon Nuts Nylon Insert Hex Lock 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