---
title: "S55c Material High Rigid Fast Speed Linear Ballscrew Nut"
description: "S55c Material High Rigid Fast Speed Linear Ballscrew Nut — Hex & Other Standard Nuts. MOQ 1 piece, US$31.20."
url: https://engineeringhardware.com/product/s55c-material-high-rigid-fast-speed-linear-ballscrew-nut/
source: Engineering Hardware & Fasteners
---

# S55c Material High Rigid Fast Speed Linear Ballscrew Nut

[![S55c Material High Rigid Fast Speed Linear Ballscrew Nut](https://img.engineeringhardware.com/S55c-Material-High-Rigid-Fast-Speed-Linear-Ballscrew-Nut.webp)](https://img.engineeringhardware.com/S55c-Material-High-Rigid-Fast-Speed-Linear-Ballscrew-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/s55c-material-high-rigid-fast-speed-linear-ballscrew-nut.md)

Model no. **SFA4005 nut**

US$31.20 / piece

MOQ 1 piece · Final price confirmed in your quote

- **Screw Diameter:** 31-40mm
- **Ball Scrw Shaft Pitch:** 5mm
- **Length:** 100mm to 6000mm
- **Package Size:** 10.00cm * 10.00cm * 10.00cm

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20S55c%20Material%20High%20Rigid%20Fast%20Speed%20Linear%20Ballscrew%20Nut%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fs55c-material-high-rigid-fast-speed-linear-ballscrew-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. | SFA4005 nut |
| --- | --- |
| Nut Type | End Cap |
| Precision | C7 |
| Rows Number | 4-Row |
| Screw Diameter | 31-40mm |
| Type | Inner Loop |
| Product Name | Sfa4005 Ball Screw Nut |
| Ball Screw Shaft Dia | 40mm |
| Ball Scrw Shaft Pitch | 5mm |
| Structure | Ball Screw+Nut+Steel Ball |
| Feature | Smoothly |
| Application | Automatic Machinery |
| Process Type | Rolled Thread Ballscrew C7 |
| End Machinized | Customized or Bk/Bf30 |
| Length | 100mm to 6000mm |
| End Support | Bk/Bf30 |
| Nut Housing | DSG40 |
| Coupling | Jm2-65coupling |
| Interchanged | Interchanged Into Tbi Ball Screw Parts |
| Quatity | High Tolerance Quality C5, C7 |
| Stock | Very Plenty |
| Transport Package | PVC Bag, Wooden Box, Export Standard Packing |
| Specification | SFA4005 |
| Origin | Zhejiang |
| Production Capacity | 15000 |
| Package Size | 10.00cm * 10.00cm * 10.00cm |
| Package Gross Weight | 3.000kg |
| Customization | Available |
| Flange | With Flange |
| Nut Number | Single |
| Shipping Cost | Contact the supplier about freight and estimated delivery time. |
| About US | Professional producing Ball screw, Linear guide, linear shaft, Linear roller guide and linear motion bearings |
| C5 | 0.018mm |
| C7 | 0.05mm |
| C10 | 0.21mm |
| P1 | Zero |
| P2 | Light |
| P3 | Medium |
| P4 | Heavy |
| Max | 6000mm, other length as your requirement |
| Our Team | Professional technicians, high-quality production workers, 24-hour salespersons |
| OUR PHILOSOPHY | Integrity is at the core of our values, and providing excellent |
| OUR MISSION | Through technology and innovation, we strive to enhance |
| OUR VISION | We are firmly dedicated to reaching the pinnacle of highquality standards and venturing into the realm of world-class |
| Category | [Hex & Other Standard Nuts](https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/) |

## Technical parameters

| SFU series | SFS/SFA series | SFI series |
| --- | --- | --- |

| DFU series | SFY series | SFK series |
| --- | --- | --- |

| SCI series | Ball screw set | C5 ground ball screw series |
| --- | --- | --- |

| Ball Screw Features |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- |
| Item | Material | Heat Treatment | Hardness | Accurancy | Preload |
| Ball screw shaft | SCM450 S55C CF53 | Induction Heating | HRC58-62 | C5:0.018mm C7:0.05mm C10:0.21mm | P1:Zero P2:Light P3:Medium P4:Heavy |
| Ball screw nut | SCM415 20CrMo | Carbonizing Hardening | HRC58-62 | C5:0.018mm | P1:Zero P2:Light P3:Medium P4:Heavy |
| Steel balls | SUJ2 GCr15 |  | HRC58-62 |  |  |

| Product name | C5 ground ball screw, C7 rolled ball screw |
| --- | --- |
| Model no. | SFU/SFNU/SFS/SFA/SFI/SFY/DFU/SFK/SCI series |
| Material | S55C material for ball screw shaft, 20CrMo material for ball screw nut |
| Service | after-sale service and technical assistance as per customer's requirement and needs. Customers are always given quickly support. |
| Length | Max:6000mm, other length as your requirement |
| Delivery time | Base on customer required quantity,by negotiated |
| Products packing | Plastic bag+box case or wooden case, or according to customer's requestment |
| Sample | Sample order could be available |
| Payment terms | T/t or L/C are available for large orders, Paypal and West Union for small orders |
| Shipping method | DHL,UPS,TNT,FEDEX,EMS,Airfreight and by sea, By negotiated |
| Quality | ISO9001-2008 |

## Description

S55c Material High Rigid Fast Speed Linear Ballscrew Nut is part of our hex & other standard nuts range (Nuts).

### Key details

- **Type:** Inner Loop
- **Length:** 100mm to 6000mm
- **Application:** Automatic Machinery
- **Nut Type:** End Cap
- **Precision:** C7
- **Rows Number:** 4-Row
- **Screw Diameter:** 31-40mm
- **Product Name:** Sfa4005 Ball Screw Nut

Available configurations include screw diameter, ball scrw shaft pitch, length and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

### Ordering through Engineering Hardware & Fasteners

Minimum order is 1 piece at US$31.20 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 S55c Material High Rigid Fast Speed Linear Ballscrew Nut?

The listed minimum order is 1 piece, at US$31.20 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 S55c Material High Rigid Fast Speed Linear Ballscrew Nut?

Type: Inner Loop; Length: 100mm to 6000mm; Application: Automatic Machinery; Nut Type: End Cap; Precision: C7; Rows Number: 4-Row. The full specification table and any technical parameter tables are listed on this page.

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

Listed configurations include screw diameter, ball scrw shaft pitch, length 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

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