---
title: "Custom Inside and Outside Double Thread Screws Nylok Screws"
description: "Custom Inside and Outside Double Thread Screws Nylok Screws — Countersunk & Flat-Head Machine Screws. MOQ 1,000 pieces, US$0.048 – 0.24."
url: https://engineeringhardware.com/product/custom-inside-and-outside-double-thread-screws-nylok-screws/
source: Engineering Hardware & Fasteners
---

# Custom Inside and Outside Double Thread Screws Nylok Screws

[![Custom Inside and Outside Double Thread Screws Nylok Screws](https://img.engineeringhardware.com/Custom-Inside-and-Outside-Double-Thread-Screws-Nylok-Screws.webp)](https://img.engineeringhardware.com/Custom-Inside-and-Outside-Double-Thread-Screws-Nylok-Screws.webp)

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

[Screws › Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/)

Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/custom-inside-and-outside-double-thread-screws-nylok-screws.md)

Model no. **Hollow screws**

| **US$0.24**1,000–9,999 pieces | **US$0.096**10,000–49,999 pieces | **US$0.072**50,000–99,999 pieces | **US$0.048**100,000+ pieces |
| --- | --- | --- | --- |

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

- **Material:** High Strength Steel
- **Head Style:** Round
- **Standard:** DIN, GB, ANSI, BSW, JIS, GOST, Customizable
- **Grade:** 12.9
- **Surface Treatment of Screws:** Electroplating, Dacromet
- **Sizes:** M0.8~M14
- **Standard-2:** DIN/ISO/ANSI/GB
- **Package Size:** 26.00cm * 20.00cm * 14.00cm

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Custom%20Inside%20and%20Outside%20Double%20Thread%20Screws%20Nylok%20Screws%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustom-inside-and-outside-double-thread-screws-nylok-screws%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 | High Strength Steel |
| Type | Countersunk Head |
| Model NO. | Hollow screws |
| Groove | Flower Word |
| Connection | Common Bolt |
| Head Style | Round |
| Standard | DIN, GB, ANSI, BSW, JIS, GOST, Customizable |
| Grade | 12.9 |
| Type-2 | Self Drilling Screws |
| Fastener Factory | Screw Manufacturer |
| Surface Treatment of Screws | Electroplating, Dacromet |
| Application Industry | Fasteners for Automotive Peripheral Products |
| Manufacture Process | Heading, Threading, Heating, Plating... |
| Service | OEM ODM Customized |
| Certification | ISO9001:2015 |
| Authentication | RoHS |
| Sample Availablity | Supply Free Samples |
| Sizes | M0.8~M14 |
| Standard-2 | DIN/ISO/ANSI/GB |
| Transport Package | Box |
| Specification | 26cm*20cm*15cm |
| Origin | China |
| HS Code | 7318159090 |
| Production Capacity | 500000 Piece/Pieces Per Day |
| Package Size | 26.00cm * 20.00cm * 14.00cm |
| Package Gross Weight | 9.000kg |
| Maximum order quantity | 100 piece |
| Sample price | $0.10/piece |
| Min. order | 10000 |
| Category | [Countersunk & Flat-Head Machine Screws](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/) |

## Technical parameters

| Hollow screws inside and outside double thread screws Nylok screws connecting nuts with torx slots |  |  |
| --- | --- | --- |
| Product Parameter |  |  |
|  | Available Material | 1. Stainless Steel: SUS201; SS303, SS304, SS316, SS410, SS430; 2. Carbon Steel: C1008, C1018, C1022, 10B21; 3. Alloy Steel; 4. Brass; 5. Aluminum; 6. Copper; 7. Customized as your requirements. |
| Head Type | Countersunk, Flat, Phillips, Pan, Truss, Flat, Round, Oval, HEX, Cheese, Cap, Oval, Binding |  |
| Surface Treatment | Zinc, Plain, Polish, Black Oxide, Cadmium Plated, Zinc-aluminum Coated, Chrome Plated, Silver Plated, Anodized, or as your requirements |  |
|  | Sizes | M0.8~M14 |
| Length | 1~200mm |  |
| Screw Type | Tapping screws, Machine screws, Wood screws, Drywall screws, Cross recessed screws, Concrete screws, Torx screws, Hex cap screws, Hex socket head screws, Set screws, Shoulder screws, Thumb screws, Binding screws, Flange screws, Screw bolts, Standoff screws, Mini screws, and all custom products, and others. |  |
| Hardness | 1. Carbon Steel: 4.8~12.9 grade; 2. Stainless Steel: A2-70, A4-70, A4-80, A5-80; 3. As you requirement. |  |
| Sample Available | Free samples, and accept small batch trial production order |  |

| Other attributes |  |  |  |  |
| --- | --- | --- | --- | --- |
| Place of Origin | Guangdong, China |  |  |  |
| Head Style | Pan, Truss, Flat, Oval, Round, HEX, Cheese, Binding |  |  |  |
| Model Number | Other |  |  |  |
| Standard | DIN/ISO/ANSI/GB |  |  |  |
| Screw fastener | Consumer electronics and automotive fasteners |  |  |  |
| Finish | zinc,NI,chorme,brass,gold, dacromat... |  |  |  |
| Product size | Standard or Customized |  |  |  |
| Sample availablity | Supply free samples |  |  |  |
| Manufacture process | Heading,Threading,Heating,Plating... |  |  |  |
| Carton size | Standard or Customized |  |  |  |
| Pallet size | 1Mx1M |  |  |  |
| Payment | T/T |  |  |  |
| MOQ | 1000pcs |  |  |  |
| Lead time |  |  |  |  |
| Quantity (pieces) | 1 - 10000 | 10001 - 50000 | 50001 - 100000 | > 100000 |
| Lead time (days) | 10 | 15 | 20 | To be negotiated |

| Samples |
| --- |
| Maximum order quantity: 100 piece Sample price:$0.10/piece |

| Customization |
| --- |
| Custom size and materials Min. order: 10000 For more customization details, message supplier |

| Screw detection equipment |
| --- |

| FAQ |
| --- |

## Description

Custom Inside and Outside Double Thread Screws Nylok Screws is part of our countersunk & flat-head machine screws range (Screws).

### Key details

- **Type:** Countersunk Head
- **Standard:** DIN, GB, ANSI, BSW, JIS, GOST, Customizable
- **Material:** High Strength Steel
- **Grade:** 12.9
- **Head Style:** Round
- **Groove:** Flower Word
- **Connection:** Common Bolt
- **Certification:** ISO9001:2015

Available configurations include material, head style, standard, grade and surface treatment of screws. 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$0.048 – 0.24 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 Inside and Outside Double Thread Screws Nylok Screws?

The listed minimum order is 1,000 pieces, at US$0.048 – 0.24 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$0.24 for 1,000–9,999 pieces; US$0.096 for 10,000–49,999 pieces; US$0.072 for 50,000–99,999 pieces; US$0.048 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 Inside and Outside Double Thread Screws Nylok Screws?

Type: Countersunk Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST, Customizable; Material: High Strength Steel; Grade: 12.9; Head Style: Round; Groove: Flower Word. 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 treatment of screws. 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 countersunk & flat-head machine screws are available?

The Countersunk & Flat-Head Machine Screws category lists 2,424 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/](https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-screws/)

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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**US$0.048 – 0.24**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%20Inside%20and%20Outside%20Double%20Thread%20Screws%20Nylok%20Screws%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustom-inside-and-outside-double-thread-screws-nylok-screws%2F)