---
title: "Carbon Steel Grade 8 Slotted Round Locking Nut"
description: "Carbon Steel Grade 8 Slotted Round Locking Nut — Hex & Other Standard Nuts. Material: Carbon Steel, Standard: DIN, ANSI, GB, BSW. MOQ 5 pieces, US$0.60."
url: https://engineeringhardware.com/product/carbon-steel-grade-8-slotted-round-locking-nut/
source: Engineering Hardware & Fasteners
---

# Carbon Steel Grade 8 Slotted Round Locking Nut

[![Carbon Steel Grade 8 Slotted Round Locking Nut](https://img.engineeringhardware.com/Carbon-Steel-Grade-8-Slotted-Round-Locking-Nut.webp)](https://img.engineeringhardware.com/Carbon-Steel-Grade-8-Slotted-Round-Locking-Nut.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/carbon-steel-grade-8-slotted-round-locking-nut.md)

Model no. **KM10, KMFE10, KMK10, SSKM10**

US$0.60 / piece

MOQ 5 pieces · Final price confirmed in your quote

- **Material:** Carbon Steel
- **Head Style:** Round
- **Standard:** DIN, ANSI, GB, BSW
- **Package Size:** 30.00cm * 40.00cm * 45.00cm

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Carbon%20Steel%20Grade%208%20Slotted%20Round%20Locking%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcarbon-steel-grade-8-slotted-round-locking-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 |
| --- | --- |
| Material | Carbon Steel |
| Type | Round Head |
| Model NO. | KM10, KMFE10, KMK10, SSKM10 |
| Connection | Common Bolt |
| Head Style | Round |
| Standard | DIN, ANSI, GB, BSW |
| ISO 2982 | Km, Hm, Kml, Hme |
| Slotted Lock Nut | Km10, Kmfe10, Kmk10, Sskm10 |
| Transport Package | Wooden Cases |
| Origin | China |
| HS Code | 8483900000 |
| Production Capacity | 50, 000 Pieces/Month |
| Package Size | 30.00cm * 40.00cm * 45.00cm |
| Package Gross Weight | 5.000kg |
| Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) |

## Technical parameters

| Type | Whorl | Dimensions (mm) |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| D6 | g | D3 | B | b | h |  |  |
| KM 00 | M 10 x 0.75 | 10 | 13.5 | 18 | 4 | 3 | 2 |
| KM 01 | M 12 x 1 | 12 | 17 | 22 | 4 | 3 | 2 |
| KM 02 | M 15 x 1 | 15 | 21 | 25 | 5 | 4 | 2 |
| KM 03 | M 17 x 1 | 17 | 24 | 28 | 5 | 4 | 2 |
| KM 04 | M 20 x 1 | 20 | 26 | 32 | 6 | 4 | 2 |
| KM / 22 | M 22 x 1 | 22 | 28 | 34 | 6 | 4 | 2 |
| KM 05 | M 25 x 1.5 | 25 | 32 | 38 | 7 | 5 | 2 |
| KM / 28 | M 28 x 1.5 | 28 | 36 | 42 | 7 | 5 | 2 |
| KM 06 | M 30 x 1.5 | 30 | 38 | 45 | 7 | 5 | 2 |
| KM / 32 | M 32 x 1.5 | 32 | 40 | 48 | 8 | 5 | 2 |
| KM 07 | M 35 x 1.5 | 35 | 44 | 52 | 8 | 5 | 2 |
| KM 08 | M 40 x 1.5 | 40 | 50 | 58 | 9 | 6 | 2.5 |
| KM 09 | M 45 x 1.5 | 45 | 56 | 65 | 10 | 6 | 2.5 |
| KM 10 | M 50 x 1.5 | 50 | 61 | 70 | 11 | 6 | 2.5 |
| KM 11 | M 55 x 2 | 55 | 67 | 75 | 11 | 7 | 3 |
| KM 12 | M 60 x 2 | 60 | 73 | 80 | 11 | 7 | 3 |
| KM 13 | M 65 x 2 | 65 | 79 | 85 | 12 | 7 | 3 |
| KM 14 | M 70 x 2 | 70 | 85 | 92 | 12 | 8 | 3.5 |
| KM 15 | M 75 x 2 | 75 | 90 | 98 | 13 | 8 | 3.5 |
| KM 16 | M 80 x 2 | 80 | 95 | 105 | 15 | 8 | 3.5 |
| KM 17 | M 85 x 2 | 85 | 102 | 110 | 16 | 8 | 3.5 |
| KM 18 | M 90 x 2 | 90 | 108 | 120 | 16 | 10 | 4 |
| KM 19 | M 95 x 2 | 95 | 113 | 125 | 17 | 10 | 4 |
| KM 20 | M 100 x 2 | 100 | 120 | 130 | 18 | 10 | 4 |
| KM 21 | M 105 x 2 | 105 | 126 | 140 | 180 | 12 | 5 |
| KM 22 | M 110 x 2 | 110 | 133 | 145 | 19 | 12 | 5 |
| KM 23 | M 115 x 2 | 115 | 137 | 150 | 19 | 12 | 5 |
| KM 24 | M 120 x 2 | 120 | 138 | 155 | 20 | 12 | 5 |
| KM 25 | M 125 x 2 | 125 | 148 | 160 | 21 | 12 | 5 |
| KM 26 | M 130 x 2 | 130 | 149 | 165 | 21 | 12 | 5 |
| KM 27 | M 135 x 2 | 135 | 160 | 175 | 22 | 14 | 6 |
| KM 28 | M 140 x 2 | 140 | 160 | 180 | 22 | 14 | 6 |
| KM 29 | M 145 x 2 | 145 | 171 | 190 | 24 | 14 | 6 |
| KM 30 | M 150 x 2 | 150 | 171 | 195 | 24 | 14 | 6 |
| KM 31 | M 155 x 3 | 155 | 182 | 200 | 25 | 16 | 7 |
| KM 32 | M 160 x 3 | 160 | 182 | 210 | 25 | 16 | 7 |
| KM 33 | M 165 x 3 | 165 | 193 | 210 | 26 | 16 | 7 |
| KM 34 | M 170 x 3 | 170 | 193 | 220 | 26 | 16 | 7 |
| KM 36 | M 180 x 3 | 180 | 203 | 230 | 27 | 18 | 8 |
| KM 38 | M 190 x 3 | 190 | 214 | 240 | 28 | 18 | 8 |
| KM 40 | M 200 x 3 | 200 | 226 | 250 | 29 | 18 | 8 |

## Description

Carbon Steel Grade 8 Slotted Round Locking Nut is part of our hex & other standard nuts range (Nuts).

### Key details

- **Type:** Round Head
- **Standard:** DIN, ANSI, GB, BSW
- **Material:** Carbon Steel
- **Head Style:** Round
- **Connection:** Common Bolt
- **ISO 2982:** Km, Hm, Kml, Hme
- **Slotted Lock Nut:** Km10, Kmfe10, Kmk10, Sskm10

Available configurations include material, head style, standard and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

### Ordering through Engineering Hardware & Fasteners

Minimum order is 5 pieces at US$0.60 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 Carbon Steel Grade 8 Slotted Round Locking Nut?

The listed minimum order is 5 pieces, at US$0.60 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 Carbon Steel Grade 8 Slotted Round Locking Nut?

Type: Round Head; Standard: DIN, ANSI, GB, BSW; Material: Carbon Steel; Head Style: Round; Connection: Common Bolt; ISO 2982: Km, Hm, Kml, Hme. 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 and package 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 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/)

## Request a quote for this product

## Related products

[All Hex & Other Standard Nuts →](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/)

[![Durable 304/316 Stainless Steel Self-Locking Hex Nuts for M4-M10](https://img.engineeringhardware.com/Durable-304-316-Stainless-Steel-Self-Locking-Hex-Nuts-for-M4-M10.webp)](https://engineeringhardware.com/product/durable-304-316-stainless-steel-self-locking-hex-nuts-for-m4-m10/)

Hex & Other Standard Nuts

### [Durable 304/316 Stainless Steel Self-Locking Hex Nuts for M4-M10](https://engineeringhardware.com/product/durable-304-316-stainless-steel-self-locking-hex-nuts-for-m4-m10/)

Hexagon Head · DIN, ANSI, GB, JIS, GOST, BSW

**US$0.0001 – 0.0002**MOQ 1,000 pieces

[![Reliable-Locking Ruspert Nylon Nut for Construction Bracing](https://img.engineeringhardware.com/Reliable-Locking-Ruspert-Nylon-Nut-for-Construction-Bracing.webp)](https://engineeringhardware.com/product/reliable-locking-ruspert-nylon-nut-for-construction-bracing/)

Hex & Other Standard Nuts

### [Reliable-Locking Ruspert Nylon Nut for Construction Bracing](https://engineeringhardware.com/product/reliable-locking-ruspert-nylon-nut-for-construction-bracing/)

Hexagon Head · DIN, ISO

**US$0.048 – 0.12**MOQ 1,000 pieces

[![DIN 935 Grade 7 Hexagon Slotted Titanium Nuts for Bicycle Stem](https://img.engineeringhardware.com/DIN-935-Grade-7-Hexagon-Slotted-Titanium-Nuts-for-Bicycle-Stem.webp)](https://engineeringhardware.com/product/din-935-grade-7-hexagon-slotted-titanium-nuts-for-bicycle-stem/)

Hex & Other Standard Nuts

### [DIN 935 Grade 7 Hexagon Slotted Titanium Nuts for Bicycle Stem](https://engineeringhardware.com/product/din-935-grade-7-hexagon-slotted-titanium-nuts-for-bicycle-stem/)

Hexagon Head · DIN, ANSI

**US$0.12 – 2.40**MOQ 1 piece

[![3c DIN Bite Type Straight Tube Adapters with Swivel Nut](https://img.engineeringhardware.com/3c-DIN-Bite-Type-Straight-Tube-Adapters-with-Swivel-Nut.webp)](https://engineeringhardware.com/product/3c-din-bite-type-straight-tube-adapters-with-swivel-nut/)

Hex & Other Standard Nuts

### [3c DIN Bite Type Straight Tube Adapters with Swivel Nut](https://engineeringhardware.com/product/3c-din-bite-type-straight-tube-adapters-with-swivel-nut/)

Cut Through · Carbon Steel

**US$0.12 – 14.40**MOQ 1 piece

[![Galvanized Steel Casting Tie Rod Nut for Formwork Scaffolding Systems](https://img.engineeringhardware.com/Galvanized-Steel-Casting-Tie-Rod-Nut-for-Formwork-Scaffolding-Systems.webp)](https://engineeringhardware.com/product/galvanized-steel-casting-tie-rod-nut-for-formwork-scaffolding-systems/)

Hex & Other Standard Nuts

### [Galvanized Steel Casting Tie Rod Nut for Formwork Scaffolding Systems](https://engineeringhardware.com/product/galvanized-steel-casting-tie-rod-nut-for-formwork-scaffolding-systems/)

Wall Formwork · En74, BS1140

**US$0.61 – 1.39**MOQ 500 pieces

[![DIN 934 Carbon Steel M6/12 Metric Hexagon Full Nut China Factory Wholesale](https://img.engineeringhardware.com/DIN-934-Carbon-Steel-M6-12-Metric-Hexagon-Full-Nut-China-Factory-Wholesale.webp)](https://engineeringhardware.com/product/din-934-carbon-steel-m6-12-metric-hexagon-full-nut-china-factory-wholesale/)

Hex & Other Standard Nuts

### [DIN 934 Carbon Steel M6/12 Metric Hexagon Full Nut China Factory Wholesale](https://engineeringhardware.com/product/din-934-carbon-steel-m6-12-metric-hexagon-full-nut-china-factory-wholesale/)

Hexagon Head · DIN, ISO

**US$0.036 – 0.36**MOQ 1,000 pieces

[![Hot Sales Stainless Steel Pipe Fittings Thread Hexagon Nut for Pipeline Connection System](https://img.engineeringhardware.com/Hot-Sales-Stainless-Steel-Pipe-Fittings-Thread-Hexagon-Nut-for-Pipeline-Connection-System.webp)](https://engineeringhardware.com/product/hot-sales-stainless-steel-pipe-fittings-thread-hexagon-nut-for-pipeline-connection/)

Hex & Other Standard Nuts

### [Hot Sales Stainless Steel Pipe Fittings Thread Hexagon Nut for Pipeline Connection System](https://engineeringhardware.com/product/hot-sales-stainless-steel-pipe-fittings-thread-hexagon-nut-for-pipeline-connection/)

Stainless Steel · Sand Blasting, Sand Rolling

**US$0.13 – 0.18**MOQ 100 pieces

[![Water Stop Nut for Formwork Tie Rod 16mm 17mm Thread](https://img.engineeringhardware.com/Water-Stop-Nut-for-Formwork-Tie-Rod-16mm-17mm-Thread.webp)](https://engineeringhardware.com/product/water-stop-nut-for-formwork-tie-rod-16mm-17mm-thread/)

Hex & Other Standard Nuts

### [Water Stop Nut for Formwork Tie Rod 16mm 17mm Thread](https://engineeringhardware.com/product/water-stop-nut-for-formwork-tie-rod-16mm-17mm-thread/)

Wall Formwork · Steel

**US$0.65**MOQ 50 pieces

**US$0.60**MOQ 5 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Carbon%20Steel%20Grade%208%20Slotted%20Round%20Locking%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcarbon-steel-grade-8-slotted-round-locking-nut%2F)