---
title: "Custom M6X12mm Brass Hex Head Passivated Nuts Expansion Pre-Embedded Insert Nut"
description: "Custom M6X12mm Brass Hex Head Passivated Nuts Expansion Pre-Embedded Insert Nut — T-Nuts, Slot Nuts & Channel Spring Nuts. MOQ 1,000 pieces, US$0.012 – 0.76."
url: https://engineeringhardware.com/product/custom-m6x12mm-brass-hex-head-passivated-nuts-expansion-pre-embedded-insert-nut/
source: Engineering Hardware & Fasteners
---

# Custom M6X12mm Brass Hex Head Passivated Nuts Expansion Pre-Embedded Insert Nut

[![Custom M6X12mm Brass Hex Head Passivated Nuts Expansion Pre-Embedded Insert Nut](https://img.engineeringhardware.com/Custom-M6X12mm-Brass-Hex-Head-Passivated-Nuts-Expansion-Pre-Embedded-Insert-Nut.webp)](https://img.engineeringhardware.com/Custom-M6X12mm-Brass-Hex-Head-Passivated-Nuts-Expansion-Pre-Embedded-Insert-Nut.webp)

- Standard & made-to-drawing parts
- Checked before shipping
- Air, sea & express delivery

[Nuts › T-Nuts, Slot Nuts & Channel Spring Nuts](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/)

Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/custom-m6x12mm-brass-hex-head-passivated-nuts-expansion-pre-embedded-insert-nut.md)

| **US$0.76**1,000–9,999 pieces | **US$0.25**10,000–99,999 pieces | **US$0.012**100,000+ pieces |
| --- | --- | --- |

MOQ 1,000 pieces · Final price confirmed in your quote

- **Material:** Carbon Steel
- **Head Style:** Hexagonal
- **Standard:** DIN, ANSI, GB, JIS, GOST, BSW
- **Grade:** A2 A4
- **Surface:** Plain, Zinc Plated (Blue, White, Black, Yellow), N
- **Thread:** Unc, Unf, Un, Metric Coarse, Fine
- **Package Size:** 30.00cm * 40.00cm * 40.00cm
- **Standards:** GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Custom%20M6X12mm%20Brass%20Hex%20Head%20Passivated%20Nuts%20Expansion%20Pre-Embedded%20Insert%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustom-m6x12mm-brass-hex-head-passivated-nuts-expansion-pre-embedded-insert-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 | Hexagon Head |
| Connection | Common Bolt |
| Head Style | Hexagonal |
| Standard | DIN, ANSI, GB, JIS, GOST, BSW |
| Grade | A2 A4 |
| Surface | Plain, Zinc Plated (Blue, White, Black, Yellow), N |
| Ppm | 200 150 100 50 |
| Ppap | 1 2 3 4 5 |
| Test | Professional Equipments |
| Thread | Unc, Unf, Un, Metric Coarse, Fine |
| Feature | One-Stop Services |
| Transport Package | Bulk Packaging, Small Box(Glue Box, Color Box) |
| Specification | M3-M100 |
| Origin | Ningbo Zhejiang |
| HS Code | 7318160000 |
| Production Capacity | 5000000PCS/Year |
| Package Size | 30.00cm * 40.00cm * 40.00cm |
| Package Gross Weight | 20.000kg |
| Standards | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC |
| Size | M1-M160 or non-standard as request & design |
| Finish | Plain, Black, Zinc, Yellow Zinc, HDG, Dacromet, etc. |
| Category | [T-Nuts, Slot Nuts & Channel Spring Nuts](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/) |

## Technical parameters

| Title |
| --- |

| Carbon Stainless Steel Hexagon Head Nut |  |
| --- | --- |
| Material: | Carbon Steel, Stainless Steel, Brass etc. |
| Standards: | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC |
| Size: | M1-M160 or non-standard as request & design |
| Finish: | Plain, Black, Zinc, Yellow Zinc, HDG, Dacromet, etc. |
| Grade: | A2-70, A4-70, A4-80, 4.8, 8.8, 10.9, 12.9 |

| Thread Sized | M10 | M12 | (M14) | M16 | (M18) | M20 | (M22) |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| P | Pitch | Coarse thread | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 |
| Fine thread-1 | 1 | 1.5 | 1.5 | 1.5 | 1.5 | 2 | 1.5 |  |  |
| Fine thread-2 | 1.25 | 1.25 | / | / | 2 | 1.5 | 2 |  |  |
| m | max=nominal size | 8 | 10 | 11 | 13 | 15 | 16 | 18 |  |
| min | 7.64 | 9.64 | 10.3 | 12.3 | 14.3 | 14.9 | 16.9 |  |  |
| mw | min | 6.11 | 7.71 | 8.24 | 9.84 | 11.44 | 11.92 | 13.52 |  |
| s | max=nominal size | 17 | 19 | 22 | 24 | 27 | 30 | 32 |  |
| min | 16.73 | 18.67 | 21.67 | 23.67 | 26.16 | 29.16 | 31 |  |  |
| per 1000 units ≈ kg | 11.6 | 17.3 | 25 | 33.3 | 49.4 | 64.4 | 79 |  |  |

| A1: Our screws comply with DIN, ISO, ANSI, and JIS standards, and can also be customized according to customer drawings. |
| --- |
| A2: We supply a full range of nuts including hex nuts, flange nuts, lock nuts, nylon-insert nuts, square nuts, cap nuts, weld nuts, T-nuts, wing nuts, and non-standard custom nuts. |
| A3: Yes, we offer free or low-cost samples for quality and dimension confirmation prior to order. |
| A4: Every batch is tested for torque, hardness, thread precision, and salt spray corrosion resistance, following ISO 9001 quality system standards. |
| A5: Yes. We can produce screws according to samples, technical drawings, or specific drive/head combinations, and offer custom packaging and labeling. |
| A6: A2 (304) is ideal for standard outdoor and industrial use, while A4 (316) contains molybdenum, offering higher corrosion resistance for marine, chemical, and salt-spray environments. |
| A7: Yes. We can supply pre-packed sets or assembly kits customized for distributors or hardware chains. |

## Description

Custom M6X12mm Brass Hex Head Passivated Nuts Expansion Pre-Embedded Insert Nut is part of our t-nuts, slot nuts & channel spring nuts range (Nuts).

### Key details

- **Type:** Hexagon Head
- **Standard:** DIN, ANSI, GB, JIS, GOST, BSW
- **Material:** Carbon Steel
- **Grade:** A2 A4
- **Size:** M1-M160 or non-standard as request & design
- **Thread:** Unc, Unf, Un, Metric Coarse, Fine
- **Head Style:** Hexagonal
- **Finish:** Plain, Black, Zinc, Yellow Zinc, HDG, Dacromet, etc.

Available configurations include material, head style, standard, grade 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 – 0.76 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 Custom M6X12mm Brass Hex Head Passivated Nuts Expansion Pre-Embedded Insert Nut?

The listed minimum order is 1,000 pieces, at US$0.012 – 0.76 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$0.76 for 1,000–9,999 pieces; US$0.25 for 10,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

### What are the main specifications of Custom M6X12mm Brass Hex Head Passivated Nuts Expansion Pre-Embedded Insert Nut?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, GOST, BSW; Material: Carbon Steel; Grade: A2 A4; Size: M1-M160 or non-standard as request & design; Thread: Unc, Unf, Un, Metric 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 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 t-nuts, slot nuts & channel spring nuts are available?

The T-Nuts, Slot Nuts & Channel Spring Nuts category lists 1,888 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-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 T-Nuts, Slot Nuts & Channel Spring Nuts →](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/)

[![Plastic Wing Strut Channel Spring Nut (Plastic Channel Nut)](https://img.engineeringhardware.com/Plastic-Wing-Strut-Channel-Spring-Nut-Plastic-Channel-Nut.webp)](https://engineeringhardware.com/product/plastic-wing-strut-channel-spring-nut-plastic-channel-nut/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Plastic Wing Strut Channel Spring Nut (Plastic Channel Nut)](https://engineeringhardware.com/product/plastic-wing-strut-channel-spring-nut-plastic-channel-nut/)

Nuts with Plastic · DIN, ANSI, GB, JIS, GOST, BSW

**US$0.096 – 0.60**MOQ 49,999 pieces

[![Anti Drop Spring Ball T Slot Nut Furniture Aluminum Extrusion Parts](https://img.engineeringhardware.com/Anti-Drop-Spring-Ball-T-Slot-Nut-Furniture-Aluminum-Extrusion-Parts.webp)](https://engineeringhardware.com/product/anti-drop-spring-ball-t-slot-nut-furniture-aluminum-extrusion-parts/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Anti Drop Spring Ball T Slot Nut Furniture Aluminum Extrusion Parts](https://engineeringhardware.com/product/anti-drop-spring-ball-t-slot-nut-furniture-aluminum-extrusion-parts/)

Spring T Nut · DIN, ANSI, GB, JIS, GOST, BSW

**US$0.012 – 0.12**MOQ 10,000 pieces

[![Factory Price T-Nut Prong Tee Nut Hopper Feed T Nut](https://img.engineeringhardware.com/Factory-Price-T-Nut-Prong-Tee-Nut-Hopper-Feed-T-Nut.webp)](https://engineeringhardware.com/product/factory-price-t-nut-prong-tee-nut-hopper-feed-t-nut/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Factory Price T-Nut Prong Tee Nut Hopper Feed T Nut](https://engineeringhardware.com/product/factory-price-t-nut-prong-tee-nut-hopper-feed-t-nut/)

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

**US$0.012 – 0.036**MOQ 10 pieces

[![Corrosion-Resistant 316 Stainless Steel M6-M12 Spring Channel Nut for Building Steel Supports](https://img.engineeringhardware.com/Corrosion-Resistant-316-Stainless-Steel-M6-M12-Spring-Channel-Nut-for-Building-Steel-Supports.webp)](https://engineeringhardware.com/product/corrosion-resistant-316-stainless-steel-m6-m12-spring-channel-nut-for-building-steel/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Corrosion-Resistant 316 Stainless Steel M6-M12 Spring Channel Nut for Building Steel Supports](https://engineeringhardware.com/product/corrosion-resistant-316-stainless-steel-m6-m12-spring-channel-nut-for-building-steel/)

Square Head · DIN, ANSI, GB, JIS, GOST, BSW, ISO

**US$0.084 – 0.18**MOQ 1,000 pieces

[![Steel Spring Loaded Ball Slide T Nut 4040 Series Profile Slide Nut](https://img.engineeringhardware.com/Steel-Spring-Loaded-Ball-Slide-T-Nut-4040-Series-Profile-Slide-Nut.webp)](https://engineeringhardware.com/product/steel-spring-loaded-ball-slide-t-nut-4040-series-profile-slide-nut/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Steel Spring Loaded Ball Slide T Nut 4040 Series Profile Slide Nut](https://engineeringhardware.com/product/steel-spring-loaded-ball-slide-t-nut-4040-series-profile-slide-nut/)

Square Head · DIN, ANSI, GB, BSW

**US$0.0012 – 0.048**MOQ 10,000 pieces

[![Fastener Custom M6 M8 M10 M12 Speed Nut Snap Floating Spring Nut Steel U Shape Clip Nuts](https://img.engineeringhardware.com/Fastener-Custom-M6-M8-M10-M12-Speed-Nut-Snap-Floating-Spring-Nut-Steel-U-Shape-Clip-Nuts.webp)](https://engineeringhardware.com/product/fastener-custom-m6-m8-m10-m12-speed-nut-snap-floating-spring-nut-steel-u-shape-clip/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Fastener Custom M6 M8 M10 M12 Speed Nut Snap Floating Spring Nut Steel U Shape Clip Nuts](https://engineeringhardware.com/product/fastener-custom-m6-m8-m10-m12-speed-nut-snap-floating-spring-nut-steel-u-shape-clip/)

Square Head · DIN, ANSI, GB, JIS

**US$0.024 – 0.12**MOQ 1,000 pieces

[![Blue / Yellow / Red Color Plastic Wing for Spring Nut](https://img.engineeringhardware.com/Blue-Yellow-Red-Color-Plastic-Wing-for-Spring-Nut.webp)](https://engineeringhardware.com/product/blue-yellow-red-color-plastic-wing-for-spring-nut/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Blue / Yellow / Red Color Plastic Wing for Spring Nut](https://engineeringhardware.com/product/blue-yellow-red-color-plastic-wing-for-spring-nut/)

Other · DIN

**Price on request**MOQ 200,000 pieces

[![High Quality Blue Zinc Plated Four Claws T-Nut](https://img.engineeringhardware.com/High-Quality-Blue-Zinc-Plated-Four-Claws-T-Nut.webp)](https://engineeringhardware.com/product/high-quality-blue-zinc-plated-four-claws-t-nut/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [High Quality Blue Zinc Plated Four Claws T-Nut](https://engineeringhardware.com/product/high-quality-blue-zinc-plated-four-claws-t-nut/)

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

**US$0.012 – 0.06**MOQ 1,000 pieces

**US$0.012 – 0.76**MOQ 1,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Custom%20M6X12mm%20Brass%20Hex%20Head%20Passivated%20Nuts%20Expansion%20Pre-Embedded%20Insert%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustom-m6x12mm-brass-hex-head-passivated-nuts-expansion-pre-embedded-insert-nut%2F)