---
title: "Chinese Quality Flat Head Insert OEM Hardware Nut"
description: "Chinese Quality Flat Head Insert OEM Hardware Nut — Hex & Other Standard Nuts. MOQ 5,000 pieces, US$0.012 – 0.024."
url: https://engineeringhardware.com/product/chinese-quality-flat-head-insert-oem-hardware-nut/
source: Engineering Hardware & Fasteners
---

# Chinese Quality Flat Head Insert OEM Hardware Nut

[![Chinese Quality Flat Head Insert OEM Hardware Nut](https://img.engineeringhardware.com/Chinese-Quality-Flat-Head-Insert-OEM-Hardware-Nut.webp)](https://img.engineeringhardware.com/Chinese-Quality-Flat-Head-Insert-OEM-Hardware-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/chinese-quality-flat-head-insert-oem-hardware-nut.md)

Model no. **OEM Nut 9**

US$0.012 – 0.024 / piece

MOQ 5,000 pieces · Final price confirmed in your quote

- **Surface Treatment:** Oil Removed
- **Heat Treatment:** Hot-Working
- **Packing:** Carton Package 33X25X15cm
- **Package Size:** 33.00cm * 25.00cm * 15.00cm
- **Size of the caton box:** 33CMX25CMX15CM
- **Size of the Pallet:** 100CMX80CMX15CM, 16 Pallets in one 20'Container

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Chinese%20Quality%20Flat%20Head%20Insert%20OEM%20Hardware%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fchinese-quality-flat-head-insert-oem-hardware-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

| Model NO. | OEM Nut 9 |
| --- | --- |
| Tolearance | ±0.2 |
| Surface Treatment | Oil Removed |
| Delivery | 15-30days |
| Service | Response in One Hour |
| Response in One Hour | Building, Machinery, Auto, Car Wheel... |
| Specialty | OEM |
| QC Control | Inspect 30mins in Production and Before Delivery |
| Heat Treatment | Hot-Working |
| Packing | Carton Package 33X25X15cm |
| Key Word 1 | Customized Nut |
| Key Word 2 | OEM Nut |
| Key Word 3 | Nut with Nice Quality |
| Key Word 4 | Soild Nut |
| Transport Package | Packed Into Carton |
| Specification | 33*25*15mm |
| Origin | Zhejiang |
| Production Capacity | 50, 000/8hrs |
| Package Size | 33.00cm * 25.00cm * 15.00cm |
| Package Gross Weight | 1.000kg |
| Customization | Available |
| Sample | for Free |
| Process | Cold-Heading |
| Shipping Cost | Contact the supplier about freight and estimated delivery time. |
| Size of the caton box | 33CMX25CMX15CM |
| Size of the Pallet | 100CMX80CMX15CM, 16 Pallets in one 20'Container |
| Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) |

## Technical parameters

| Standard | DIN, BS, ANSI, JIS, GB and so on |
| --- | --- |
| Head Type | Flat Head,Pan Head, Countersunk Head, Round Cone Head, Hex Head, Round with Washer Head, Pan with Washer Head and so on, as customer requires |
| Raw Material | 1, Carbon Steel: C1008, C1010, C1022, 10B21 |
|  | 2, Aluminum |
|  | 3, Steel: 35K, 45K, 10B21 |
|  | 4, Iron |
|  | 5, Stainless Steel: SS201, SS301, SS303, SS304, SS316, SS416, SS420 |
|  | 6, Brass:C36000, C37700, C38500, C27200, C28000.... |
|  | 7, Copper |
| Surface finish | Zinc Plated, Ni Plated, Brass Plated |
|  | Tin Plated, Black Plated, Copper Plated. |
|  | hot-working, make hardness up to 6.8,8.8, 9.8, 10.9, 12.9 grade |
| Shank Diameter | 1.5mm-18mm |
| Process | Mainly Cold-Heading, CNC,Stamping,Die-Casting |
| Certifications | ISO9001,ROHS,SGS |
| Sample Availability | Samples are available. |
| MOQ | We accept test orders of small quantity. |
| Price terms | FOB, CIF, CFR, EXW, and other trade terms. |
| Lead Time | 15-30days, according to customer's order qty and detailed requirements |
| Packing | 500-2000pieces in a Polybag, then into a carton box, finally into a pallet, or customized |
|  | Size of the caton box: 33CMX25CMX15CM |
|  | Size of the Pallet: 100CMX80CMX15CM, 16 Pallets in one 20'Container |
|  | Size of the Pallet: 85CMX75X15CM,18 Pallets in one 20'Container |
| Warranty Policy | We confirm our qualities satisfy to 99.9%, and have 6-month quality warranty |
| After Sales Service | We will follow up the requst strictly for customers, and will help customers solve problems after sale. |

## Description

Chinese Quality Flat Head Insert OEM Hardware Nut is part of our hex & other standard nuts range (Nuts).

### Key details

- **Surface Treatment:** Oil Removed
- **Tolearance:** ±0.2
- **Service:** Response in One Hour
- **Response in One Hour:** Building, Machinery, Auto, Car Wheel…
- **Specialty:** OEM
- **QC Control:** Inspect 30mins in Production and Before Delivery
- **Heat Treatment:** Hot-Working
- **Packing:** Carton Package 33X25X15cm

Available configurations include surface treatment, heat treatment, packing, package size and size of the caton box. 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$0.012 – 0.024 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 Chinese Quality Flat Head Insert OEM Hardware Nut?

The listed minimum order is 5,000 pieces, at US$0.012 – 0.024 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 Chinese Quality Flat Head Insert OEM Hardware Nut?

Surface Treatment: Oil Removed; Tolearance: ±0.2; Service: Response in One Hour; Response in One Hour: Building, Machinery, Auto, Car Wheel...; Specialty: OEM; QC Control: Inspect 30mins in Production and Before Delivery. The full specification table and any technical parameter tables are listed on this page.

### Can this product be customized (OEM)?

Listed configurations include surface treatment, heat treatment, packing, package size and size of the caton box. 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/)

[![Steel Die-Cast Zinc Rhombus Round Slotted Threaded Nut](https://img.engineeringhardware.com/Steel-Die-Cast-Zinc-Rhombus-Round-Slotted-Threaded-Nut.webp)](https://engineeringhardware.com/product/steel-die-cast-zinc-rhombus-round-slotted-threaded-nut/)

Hex & Other Standard Nuts

### [Steel Die-Cast Zinc Rhombus Round Slotted Threaded Nut](https://engineeringhardware.com/product/steel-die-cast-zinc-rhombus-round-slotted-threaded-nut/)

Hexagon Head · DIN,ASME,ASNI,ISO

**US$6.00 – 36.00**MOQ 10 tons

[![Factory Price DIN934 Grade 10.9 Carbon Steel Black Hex Head Nuts](https://img.engineeringhardware.com/Factory-Price-DIN934-Grade-10-9-Carbon-Steel-Black-Hex-Head-Nuts.webp)](https://engineeringhardware.com/product/factory-price-din934-grade-10-9-carbon-steel-black-hex-head-nuts/)

Hex & Other Standard Nuts

### [Factory Price DIN934 Grade 10.9 Carbon Steel Black Hex Head Nuts](https://engineeringhardware.com/product/factory-price-din934-grade-10-9-carbon-steel-black-hex-head-nuts/)

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

**US$0.60**MOQ 1 piece

[![Marine Engine Spanner Nut/Locking Ring Nut 688-45384-00/01/02-00 for 2/4 Stroke F 25HP-140HP YAMAHA Outboard Motor](https://img.engineeringhardware.com/Marine-Engine-Spanner-Nut-Locking-Ring-Nut-688-45384-00-01-02-00-for-2-4-Stroke-F-25HP-140HP-YAMAHA-Outboard-Motor.webp)](https://engineeringhardware.com/product/marine-engine-spanner-nut-locking-ring-nut-688-45384-00-01-02-00-for-2-4-stroke-f/)

Hex & Other Standard Nuts

### [Marine Engine Spanner Nut/Locking Ring Nut 688-45384-00/01/02-00 for 2/4 Stroke F 25HP-140HP YAMAHA Outboard Motor](https://engineeringhardware.com/product/marine-engine-spanner-nut-locking-ring-nut-688-45384-00-01-02-00-for-2-4-stroke-f/)

Nut · ISO

**US$6.00 – 7.20**MOQ 10 pieces

[![Zinc Plated Class4 Hexagon Nut M24 M27DIN439 Thin Nut Jam Nut Fasteners Factory](https://img.engineeringhardware.com/Zinc-Plated-Class4-Hexagon-Nut-M24-M27DIN439-Thin-Nut-Jam-Nut-Fasteners-Factory.webp)](https://engineeringhardware.com/product/zinc-plated-class4-hexagon-nut-m24-m27din439-thin-nut-jam-nut-fasteners-factory/)

Hex & Other Standard Nuts

### [Zinc Plated Class4 Hexagon Nut M24 M27DIN439 Thin Nut Jam Nut Fasteners Factory](https://engineeringhardware.com/product/zinc-plated-class4-hexagon-nut-m24-m27din439-thin-nut-jam-nut-fasteners-factory/)

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

**US$0.0866 – 0.0884**MOQ 20,000 pieces

[![Open End Lug Nut Wheel Lug Nuts 11225](https://img.engineeringhardware.com/Open-End-Lug-Nut-Wheel-Lug-Nuts-11225.webp)](https://engineeringhardware.com/product/open-end-lug-nut-wheel-lug-nuts-11225/)

Hex & Other Standard Nuts

### [Open End Lug Nut Wheel Lug Nuts 11225](https://engineeringhardware.com/product/open-end-lug-nut-wheel-lug-nuts-11225/)

Wheel Nut · Steel

**US$0.23 – 0.25**MOQ 2,000 pieces

[![Custom CNC Milling for Seat of Nut R14483](https://img.engineeringhardware.com/Custom-CNC-Milling-for-Seat-of-Nut-R14483.webp)](https://engineeringhardware.com/product/custom-cnc-milling-for-seat-of-nut-r14483/)

Hex & Other Standard Nuts

### [Custom CNC Milling for Seat of Nut R14483](https://engineeringhardware.com/product/custom-cnc-milling-for-seat-of-nut-r14483/)

ASTM, GOST, GB · Metal

**US$6,000**MOQ 100 pieces

[![G0005428 Adjusting Nut for Tensioning Side 3/4-10 Hexagon Nut for Shale Shaker Spares](https://img.engineeringhardware.com/G0005428-Adjusting-Nut-for-Tensioning-Side-3-4-10-Hexagon-Nut-for-Shale-Shaker-Spares.webp)](https://engineeringhardware.com/product/g0005428-adjusting-nut-for-tensioning-side-3-4-10-hexagon-nut-for-shale-shaker-spares/)

Hex & Other Standard Nuts

### [G0005428 Adjusting Nut for Tensioning Side 3/4-10 Hexagon Nut for Shale Shaker Spares](https://engineeringhardware.com/product/g0005428-adjusting-nut-for-tensioning-side-3-4-10-hexagon-nut-for-shale-shaker-spares/)

a P I Standard · a P I Standard

**US$60.00 – 120.00**MOQ 1 piece

[![Durable Stainless Steel Embedded Furniture Nuts for Easy Assembly](https://img.engineeringhardware.com/Durable-Stainless-Steel-Embedded-Furniture-Nuts-for-Easy-Assembly.webp)](https://engineeringhardware.com/product/durable-stainless-steel-embedded-furniture-nuts-for-easy-assembly/)

Hex & Other Standard Nuts

### [Durable Stainless Steel Embedded Furniture Nuts for Easy Assembly](https://engineeringhardware.com/product/durable-stainless-steel-embedded-furniture-nuts-for-easy-assembly/)

Furniture Nuts · DIN, GB

**US$0.12**MOQ 10,000 pieces

**US$0.012 – 0.024**MOQ 5,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Chinese%20Quality%20Flat%20Head%20Insert%20OEM%20Hardware%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fchinese-quality-flat-head-insert-oem-hardware-nut%2F)
