--- title: "Customizable DIN 981 Slotted Round Nuts -Secure Locking for Bearings" description: "Customizable DIN 981 Slotted Round Nuts -Secure Locking for Bearings — Hex & Other Standard Nuts. MOQ 1,000 pieces, US$0.012 – 0.24." url: https://engineeringhardware.com/product/customizable-din-981-slotted-round-nuts-secure-locking-for-bearings/ source: Engineering Hardware & Fasteners --- # Customizable DIN 981 Slotted Round Nuts -Secure Locking for Bearings [![Customizable DIN 981 Slotted Round Nuts -Secure Locking for Bearings](https://img.engineeringhardware.com/Customizable-DIN-981-Slotted-Round-Nuts-Secure-Locking-for-Bearings.webp)](https://img.engineeringhardware.com/Customizable-DIN-981-Slotted-Round-Nuts-Secure-Locking-for-Bearings.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Nuts › Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/customizable-din-981-slotted-round-nuts-secure-locking-for-bearings.md) Model no. **Fasto-Nut** US$0.012 – 0.24 / piece MOQ 1,000 pieces · Final price confirmed in your quote - **Head Style:** Round - **Standard:** DIN, ANSI, GB, BSW - **Grade:** 8.8 - **Color:** as Client Need - **Surface:** Plain,Zinc Plated,Copper Plating,Phosphating, etc - **Package Size:** 37.00cm * 26.00cm * 19.50cm - **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%20Customizable%20DIN%20981%20Slotted%20Round%20Nuts%20-Secure%20Locking%20for%20Bearings%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustomizable-din-981-slotted-round-nuts-secure-locking-for-bearings%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. | Fasto-Nut | | --- | --- | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, BSW | | Grade | 8.8 | | Color | as Client Need | | Surface | Plain,Zinc Plated,Copper Plating,Phosphating, etc | | MOQ | According to Your Size | | Payment Term | Fob,30%Tt in Advance and 70% Tt Before Shipment | | Sample | Available | | Package | Small Box +Outer Carton +Pallets | | Delivery Time | 10-25days | | Keywords1 | Castle Nuts, Hex Nut, Nut | | Transport Package | Box / Bulk Packing / Pallet or Customized Packing | | Specification | M6-M56 etc, according to customer needs | | Origin | Tianjin, China | | HS Code | 732620100 | | Production Capacity | 30000tons/Year | | Package Size | 37.00cm * 26.00cm * 19.50cm | | Package Gross Weight | 25.000kg | | Customization | Available | | Material | Stainless Steel | | Type | Round Head | | Shipping Cost | Contact the supplier about freight and estimated delivery time. | | Key Features | High-Quality Material | | Applications | Securely locking bearings in place | | OUR TEAM | FAQ | | Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) | ## Technical parameters | Finish | Zinc, Plain ,Hot Dip Galvanized | | --- | --- | | Material | High Strength Steel, Stainless Steel,Carbon Steel,Iron, Aluminum Steel | | Measurement system | Inch, Metric | | Place of Origin | Tianjin,China | | Standard | DIN,ISO,CE | | Size | M2-M39 etc,according to customer needs | | Color | As client need | | Key Words | Castle Nuts, Hex Nut, Nut | | Packing | Small box packing/bag or carton packing/as customers' request | ## Description Customizable DIN 981 Slotted Round Nuts -Secure Locking for Bearings is part of our hex & other standard nuts range (Nuts). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, GB, BSW - **Material:** Stainless Steel - **Grade:** 8.8 - **Head Style:** Round - **Connection:** Common Bolt - **Color:** as Client Need - **Surface:** Plain,Zinc Plated,Copper Plating,Phosphating, etc Available configurations include head style, standard, grade, color and surface. 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$0.012 – 0.24 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 Customizable DIN 981 Slotted Round Nuts -Secure Locking for Bearings? The listed minimum order is 1,000 pieces, at US$0.012 – 0.24 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 Customizable DIN 981 Slotted Round Nuts -Secure Locking for Bearings? Type: Round Head; Standard: DIN, ANSI, GB, BSW; Material: Stainless Steel; Grade: 8.8; Head Style: Round; 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, color and surface. 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 hex & other standard nuts are available? The Hex & Other Standard Nuts category lists 8,354 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-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/) ## 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