--- title: "DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts" description: "DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts — Nylon-Insert & All-Metal Lock Nuts. Grade: 4.8. MOQ 1 ton, US$816.00 – 1,440." url: https://engineeringhardware.com/product/din-981-slotted-round-nut-with-nylon-locking-high-precision-lock-nuts/ source: Engineering Hardware & Fasteners --- # DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts [![DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts](https://img.engineeringhardware.com/DIN-981-Slotted-Round-Nut-with-Nylon-Locking-High-Precision-Lock-Nuts.webp)](https://img.engineeringhardware.com/DIN-981-Slotted-Round-Nut-with-Nylon-Locking-High-Precision-Lock-Nuts.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/din-981-slotted-round-nut-with-nylon-locking-high-precision-lock-nuts.md) Model no. **DIN981** US$816.00 – 1,440 / ton MOQ 1 ton · Final price confirmed in your quote - **Material:** Carbon Steel and Stainless Steel - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS, BSW, ASME - **Grade:** 4.8 - **Finish:** Zp/Yzp/HDG/Black/Geomet/Dacromet - **Thread:** Coarse/ Fine - **SIZE:** M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M76 M80 M90 M100 - **SIZE:** 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4" Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20DIN%20981%20Slotted%20Round%20Nut%20with%20Nylon%20Locking%20High%20Precision%20Lock%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fdin-981-slotted-round-nut-with-nylon-locking-high-precision-lock-nuts%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 | Carbon Steel and Stainless Steel | | Type | Nut | | Model NO. | DIN981 | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS, BSW, ASME | | Grade | 4.8 | | Finish | Zp/Yzp/HDG/Black/Geomet/Dacromet | | Thread | Coarse/ Fine | | Transport Package | We Can Follow Customer's Request | | Specification | M3-M100 1/8''-4'' | | Origin | Handan City | | HS Code | 731816 | | Production Capacity | 50000000 | | ITEM NAME | Round Nut | | SIZE | M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M76 M80 M90 M100 | | SIZE | 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4" | | FINISH | PLAIN, ZP, YZP, HDG, Dacromet, Black Oxide ,Cr3+ , Mechanical Galvanizing, | | Core Products | - Nuts and bolts of various specifications | | Our products adhere to international standards, including | - DIN(German Standard) | | PACKAGE | 25kgs Box with Pallet, 25kgs woven bags, 25 kgs Gunny bags , or we can follow customer's request | | Category | [Nylon-Insert & All-Metal Lock Nuts](https://engineeringhardware.com/fastener-products/nuts/nylon-insert-all-metal-lock-nuts/) | ## Technical parameters | ITEM NAME: | Round Nut | | --- | --- | | MATERIAL: | Carbon steel SAE1008 / C1010 / C1020 / 10B21 / 20MnTib / 40Cr / 35Croma / Q355 etc. | | STANDARD: | GB / DIN / ASME/ANSI / BSW | | GRADE: | Gr4 / Gr6 / Gr8 / Gr10 / Gr12 / Class2 / Class5 / Class8 / 2H Heavy Nut | | SIZE : | M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 M72 M76 M80 M90 M100 | | SIZE: | 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4" | | FINISH : | PLAIN, ZP, YZP, HDG, Dacromet, Black Oxide ,Cr3+ , Mechanical Galvanizing, | ## Description DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts is part of our nylon-insert & all-metal lock nuts range (Nuts). ### Key details - **Type:** Nut - **Standard:** DIN, ANSI, GB, JIS, BSW, ASME - **Material:** Carbon Steel and Stainless Steel - **Grade:** 4.8 - **SIZE:** 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4" - **Thread:** Coarse/ Fine - **Head Style:** Round - **Finish:** Zp/Yzp/HDG/Black/Geomet/Dacromet Available configurations include material, head style, standard, grade and finish. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request. ### Ordering through Engineering Hardware & Fasteners Minimum order is 1 ton at US$816.00 – 1,440 per ton. 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 DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts? The listed minimum order is 1 ton, at US$816.00 – 1,440 per ton. 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 DIN 981 Slotted Round Nut with Nylon Locking High Precision Lock Nuts? Type: Nut; Standard: DIN, ANSI, GB, JIS, BSW, ASME; Material: Carbon Steel and Stainless Steel; Grade: 4.8; SIZE: 1/8" 1/4" 5/16" 3/8" 7/16" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4" 1-1/2" 1-3/4" 2" 3" 4"; Thread: Coarse/ Fine. 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 finish. 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 & 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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/) [![Locknuts DIN985 DIN982 Stainless Steel SS304 Nylon Insert Lock Nut](https://img.engineeringhardware.com/Locknuts-DIN985-DIN982-Stainless-Steel-SS304-Nylon-Insert-Lock-Nut.webp)](https://engineeringhardware.com/product/locknuts-din985-din982-stainless-steel-ss304-nylon-insert-lock-nut-2/) Nylon-Insert & All-Metal Lock Nuts ### [Locknuts DIN985 DIN982 Stainless Steel SS304 Nylon Insert Lock Nut](https://engineeringhardware.com/product/locknuts-din985-din982-stainless-steel-ss304-nylon-insert-lock-nut-2/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW, ISO **US$0.024 – 0.12**MOQ 5,000 pieces [![High Precision Carbon Steel Black DIN981 Slotted Round Shaft Lock Nuts for Rolling 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**US$0.12 – 0.60**MOQ 100 pieces [![DIN981 Lock Nut Round Slotted Rolling Bearing Locknut](https://img.engineeringhardware.com/DIN981-Lock-Nut-Round-Slotted-Rolling-Bearing-Locknut.webp)](https://engineeringhardware.com/product/din981-lock-nut-round-slotted-rolling-bearing-locknut/) Nylon-Insert & All-Metal Lock Nuts ### [DIN981 Lock Nut Round Slotted Rolling Bearing Locknut](https://engineeringhardware.com/product/din981-lock-nut-round-slotted-rolling-bearing-locknut/) Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW **US$0.012**MOQ 10,000 pieces **US$816.00 – 1,440**MOQ 1 tonGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20DIN%20981%20Slotted%20Round%20Nut%20with%20Nylon%20Locking%20High%20Precision%20Lock%20Nuts%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fdin-981-slotted-round-nut-with-nylon-locking-high-precision-lock-nuts%2F)