---
title: "Rectangular Spring Nut in Carbon Steel for Preclslon Engineering Projects"
description: "Rectangular Spring Nut in Carbon Steel for Preclslon Engineering Projects — T-Nuts, Slot Nuts & Channel Spring Nuts. MOQ 10,000 pieces, US$0.012 – 0.036."
url: https://engineeringhardware.com/product/rectangular-spring-nut-in-carbon-steel-for-preclslon-engineering-projects/
source: Engineering Hardware & Fasteners
---

# Rectangular Spring Nut in Carbon Steel for Preclslon Engineering Projects

[![Rectangular Spring Nut in Carbon Steel for Preclslon Engineering Projects](https://img.engineeringhardware.com/Rectangular-Spring-Nut-in-Carbon-Steel-for-Preclslon-Engineering-Projects.webp)](https://img.engineeringhardware.com/Rectangular-Spring-Nut-in-Carbon-Steel-for-Preclslon-Engineering-Projects.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/rectangular-spring-nut-in-carbon-steel-for-preclslon-engineering-projects.md)

Model no. **spring nut**

| **US$0.036**10,000–49,999 pieces | **US$0.024**50,000–99,999 pieces | **US$0.012**100,000+ pieces |
| --- | --- | --- |

MOQ 10,000 pieces · Final price confirmed in your quote

- **Material:** Carbon Steel, Stainless Steel, Alloy Steel
- **Head Style:** Hexagonal
- **Standard:** DIN, ANSI, GB, JIS, BSW
- **Grade:** 4.8/8.8/10.9/12.9
- **Head Mark:** Customized
- **Thread Length:** Lnternal Threads
- **Size:** M3-M100
- **Package Size:** 23.00cm * 12.00cm * 12.00cm

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Rectangular%20Spring%20Nut%20in%20Carbon%20Steel%20for%20Preclslon%20Engineering%20Projects%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Frectangular-spring-nut-in-carbon-steel-for-preclslon-engineering-projects%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, Stainless Steel, Alloy Steel |
| Type | Hexagon Head |
| Model NO. | spring nut |
| Connection | Common Bolt |
| Head Style | Hexagonal |
| Standard | DIN, ANSI, GB, JIS, BSW |
| Grade | 4.8/8.8/10.9/12.9 |
| Delivery | 5-10 Days in Stock, 10-30 Days Not in Stock |
| Head Mark | Customized |
| Thread Length | Lnternal Threads |
| Size | M3-M100 |
| Transport Package | Plastic Bags+Cartons+Pallets |
| Specification | as Request |
| Origin | Hebei, China |
| HS Code | 731816 |
| Production Capacity | 50 Million Tons/Month |
| Package Size | 23.00cm * 12.00cm * 12.00cm |
| Package Gross Weight | 30.000kg |
| Sheet Metal/PV Racks | Secure components to thin sheet metal or solar mounting rails—their spring clips grip sheet edges, enabling tool-free backside installation. |
| Automotive Interiors | Fasten dashboards, door panels, or trim pieces, absorbing vibration to prevent rattling. |
| Electronics/Server Racks | Attach brackets or equipment to chassis, allowing quick adjustments without re-tightening. |
| Light-Duty Furniture | Assemble shelves or cabinets, simplifying assembly with their self-holding design. |
| Their key advantage | Elastic preload ensures long-term stability, while tool-free compatibility speeds up installation. |
| Longshi Advantage | 8-dimensional customization (material, specification, surface treatment, etc.), with 3D design drawings + process plans. |
| Stockout rate | 10+%), with real-time inventory monitoring. For extreme stockouts, free upgraded alternatives are provided (peers often leave clients waiting indefinitely). |
| Category | [T-Nuts, Slot Nuts & Channel Spring Nuts](https://engineeringhardware.com/fastener-products/nuts/t-nuts-slot-nuts-channel-spring-nuts/) |

## Technical parameters

| Thread Spec | M6 | M8 | M10 | M12 |  |
| --- | --- | --- | --- | --- | --- |
| d |  |  |  |  |  |
| A | LEN | 34.5 | 34.5 | 34.5 | 34.5 |
| B | Width | 20 | 20 | 20 | 20 |
| k | TH | 6 | 8 | 9 | 9 |

## Description

Rectangular Spring Nut in Carbon Steel for Preclslon Engineering Projects is part of our t-nuts, slot nuts & channel spring nuts range (Nuts).

### Key details

- **Type:** Hexagon Head
- **Standard:** DIN, ANSI, GB, JIS, BSW
- **Material:** Carbon Steel, Stainless Steel, Alloy Steel
- **Grade:** 4.8/8.8/10.9/12.9
- **Size:** M3-M100
- **Head Style:** Hexagonal
- **Connection:** Common Bolt
- **Head Mark:** Customized

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

### Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.012 – 0.036 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 Rectangular Spring Nut in Carbon Steel for Preclslon Engineering Projects?

The listed minimum order is 10,000 pieces, at US$0.012 – 0.036 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$0.036 for 10,000–49,999 pieces; US$0.024 for 50,000–99,999 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 Rectangular Spring Nut in Carbon Steel for Preclslon Engineering Projects?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW; Material: Carbon Steel, Stainless Steel, Alloy Steel; Grade: 4.8/8.8/10.9/12.9; Size: M3-M100; Head Style: Hexagonal. 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 head mark. 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/)

[![Motorcycle Slot Nut for Axle Front / Rear Wheel](https://img.engineeringhardware.com/Motorcycle-Slot-Nut-for-Axle-Front-Rear-Wheel.webp)](https://engineeringhardware.com/product/motorcycle-slot-nut-for-axle-front-rear-wheel/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Motorcycle Slot Nut for Axle Front / Rear Wheel](https://engineeringhardware.com/product/motorcycle-slot-nut-for-axle-front-rear-wheel/)

Nut · Steel

**US$0.054**MOQ 1,000 pieces

[![Msr M6 (8s-32) Roll-in T-Nuts with Ball Spring 30120 Series Aluminum Profile#5443](https://img.engineeringhardware.com/Msr-M6-8s-32-Roll-in-T-Nuts-with-Ball-Spring-30120-Series-Aluminum-Profile-5443.webp)](https://engineeringhardware.com/product/msr-m6-8s-32-roll-in-t-nuts-with-ball-spring-30120-series-aluminum-profile-5443/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Msr M6 (8s-32) Roll-in T-Nuts with Ball Spring 30120 Series Aluminum Profile#5443](https://engineeringhardware.com/product/msr-m6-8s-32-roll-in-t-nuts-with-ball-spring-30120-series-aluminum-profile-5443/)

Round Head · Carbon Steel

**US$0.42 – 0.50**MOQ 1 piece

[![High-Quality Plastic Wing C Strut Channel Nut for Solar Mounting](https://img.engineeringhardware.com/High-Quality-Plastic-Wing-C-Strut-Channel-Nut-for-Solar-Mounting.webp)](https://engineeringhardware.com/product/high-quality-plastic-wing-c-strut-channel-nut-for-solar-mounting/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [High-Quality Plastic Wing C Strut Channel Nut for Solar Mounting](https://engineeringhardware.com/product/high-quality-plastic-wing-c-strut-channel-nut-for-solar-mounting/)

Square Head · DIN

**US$1.20 – 6.00**MOQ 5,000 kilograms

[![Brass Heat Insert Nuts Mesh Knurl Car Grade OEM ODM Custom Auto Fastener](https://img.engineeringhardware.com/Brass-Heat-Insert-Nuts-Mesh-Knurl-Car-Grade-OEM-ODM-Custom-Auto-Fastener.webp)](https://engineeringhardware.com/product/brass-heat-insert-nuts-mesh-knurl-car-grade-oem-odm-custom-auto-fastener/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Brass Heat Insert Nuts Mesh Knurl Car Grade OEM ODM Custom Auto Fastener](https://engineeringhardware.com/product/brass-heat-insert-nuts-mesh-knurl-car-grade-oem-odm-custom-auto-fastener/)

Auto Fasteners · DIN, GB, ISO, ANSI/ASTM, BS, Bsw, JIS etc.

**US$0.024 – 0.036**MOQ 20,000 pieces

[![Knurling Insert Nut Made of Brass](https://img.engineeringhardware.com/Knurling-Insert-Nut-Made-of-Brass.webp)](https://engineeringhardware.com/product/knurling-insert-nut-made-of-brass/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Knurling Insert Nut Made of Brass](https://engineeringhardware.com/product/knurling-insert-nut-made-of-brass/)

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

**US$0.012**MOQ 500 pieces

[![C45 Steel Insert Nut for Furniture Assembly Hardware with ANSI Steel Insert Nut Fastener](https://img.engineeringhardware.com/C45-Steel-Insert-Nut-for-Furniture-Assembly-Hardware-with-ANSI-Steel-Insert-Nut-Fastener.webp)](https://engineeringhardware.com/product/c45-steel-insert-nut-for-furniture-assembly-hardware-with-ansi-steel-insert-nut/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [C45 Steel Insert Nut for Furniture Assembly Hardware with ANSI Steel Insert Nut Fastener](https://engineeringhardware.com/product/c45-steel-insert-nut-for-furniture-assembly-hardware-with-ansi-steel-insert-nut/)

Insert Nuts Fasteners · DIN, ANSI, GB, JIS, GOST, BSW

**US$0.024 – 3.60**MOQ 10 boxes

[![M5 M6 M8 M10 M12 Strut Channel Spring Nut](https://img.engineeringhardware.com/M5-M6-M8-M10-M12-Strut-Channel-Spring-Nut.webp)](https://engineeringhardware.com/product/m5-m6-m8-m10-m12-strut-channel-spring-nut/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [M5 M6 M8 M10 M12 Strut Channel Spring Nut](https://engineeringhardware.com/product/m5-m6-m8-m10-m12-strut-channel-spring-nut/)

Square Head · DIN, ANSI, GB

**US$0.06 – 0.48**MOQ 10,000 pieces

[![Dongguan Factory Custom DIN Round Anti Back Nuts Stainless Steel 304 Fine Thread Retaining Castle Nut Four Slot Nut](https://img.engineeringhardware.com/Dongguan-Factory-Custom-DIN-Round-Anti-Back-Nuts-Stainless-Steel-304-Fine-Thread-Retaining-Castle-Nut-Four-Slot-Nut.webp)](https://engineeringhardware.com/product/dongguan-factory-custom-din-round-anti-back-nuts-stainless-steel-304-fine-thread/)

T-Nuts, Slot Nuts & Channel Spring Nuts

### [Dongguan Factory Custom DIN Round Anti Back Nuts Stainless Steel 304 Fine Thread Retaining Castle Nut Four Slot Nut](https://engineeringhardware.com/product/dongguan-factory-custom-din-round-anti-back-nuts-stainless-steel-304-fine-thread/)

Round Head · DIN

**US$0.18 – 0.30**MOQ 1,000 pieces

**US$0.012 – 0.036**MOQ 10,000 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Rectangular%20Spring%20Nut%20in%20Carbon%20Steel%20for%20Preclslon%20Engineering%20Projects%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Frectangular-spring-nut-in-carbon-steel-for-preclslon-engineering-projects%2F)
