---
title: "Double Head Threaded Brass Blot, Copper Screw, Electrical Screw"
description: "Double Head Threaded Brass Blot, Copper Screw, Electrical Screw — Other Machine & Custom Screws. Material: Brass, Grade: 8.8. MOQ 1 piece, US$0.22 – 0.30."
url: https://engineeringhardware.com/product/double-head-threaded-brass-blot-copper-screw-electrical-screw/
source: Engineering Hardware & Fasteners
---

# Double Head Threaded Brass Blot, Copper Screw, Electrical Screw

[![Double Head Threaded Brass Blot, Copper Screw, Electrical Screw](https://img.engineeringhardware.com/Double-Head-Threaded-Brass-Blot-Copper-Screw-Electrical-Screw.webp)](https://img.engineeringhardware.com/Double-Head-Threaded-Brass-Blot-Copper-Screw-Electrical-Screw.webp)

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

[Screws › Other Machine & Custom Screws](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/)

Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/double-head-threaded-brass-blot-copper-screw-electrical-screw.md)

Model no. **Screw (JY179)**

US$0.22 – 0.30 / piece

MOQ 1 piece · Final price confirmed in your quote

- **Head Style:** Round
- **Standard:** DIN, GB, ANSI, BSW, JIS, GOST
- **Grade:** 8.8
- **Customized:** Yes
- **Material:** Brass
- **Electroplating:** Zinc Plating, Ni Plating, Electroless Nickel Plating, Zn-Ni Alloy Plating, Tin Plating, Copper-plating, Hot-dip
- **Screw Cold Heading and Rolling:** Metric 0.8-M16

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Double%20Head%20Threaded%20Brass%20Blot%2C%20Copper%20Screw%2C%20Electrical%20Screw%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fdouble-head-threaded-brass-blot-copper-screw-electrical-screw%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. | Screw (JY179) |
| --- | --- |
| Groove | Special Shape |
| Connection | Common Bolt |
| Head Style | Round |
| Standard | DIN, GB, ANSI, BSW, JIS, GOST |
| Grade | 8.8 |
| Customized | Yes |
| Drawing | Acceptable |
| Samples | Acceptable |
| Transport Package | Polybag+Export Strong Carton |
| Specification | M2-M8 |
| Origin | China |
| HS Code | 7415339000 |
| Production Capacity | 5000000/Month |
| Customization | Available |
| Material | Brass |
| Type | Round Head |
| Injection Molding | Company Profile |
| Our core values | Professional, Reliable, Cost-efficient, and Sustainable. |
| Packaging Specification | 1. We have several sizes of packing dimensions, can be 10kg or 15kg per carton; |
| Electroplating | Zinc Plating, Ni Plating, Electroless Nickel Plating, Zn-Ni Alloy Plating, Tin Plating, Copper-plating, Hot-dip |
| Auto Lathe Turning | ODΦ1.0-20mm, Tolerance.±0.01mm |
| CNC Lathe Turning | ODΦ1.0-460mm,Tolerance.±0.005mm |
| CNC Milling | 800x600mm(LxW),Tolerance.±0.05mm |
| Grinding | Tolerance.±0.002mm |
| Screw Cold Heading and Rolling | Metric 0.8-M16 |
| Injection | 300T Max |
| Stamping | 250T Max |
| Category | [Other Machine & Custom Screws](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/) |

## Technical parameters

| Available Material | 1. Stainless Steel: AISI303, AISI304, AISI316, AISI416, AISI420,etc. |
| --- | --- |
| 2. Free Cutting Steel:12L14,1215,etc. |  |
| 3. Brass:C37700 ( HPb59), C38500( HPb58),C27200(CuZn37), C28000(CuZn40/H62),C3604,etc. |  |
| 4. Bronze: C51000, C52100, C54400,CuSn8,etc. |  |
| 5. Steel:C45(K1045), C20,etc |  |
| 6. Aluminum: Al6061, Al6063, etc. |  |
| 7. Carbon Steel:AISI1006,AISI1010,AISI1022,etc. |  |
| 8. Alloy Steel: SCM435,10B21,etc. |  |
| 9. PA6,PA66,PP,PC,POM,PEEK(FOR Injection) |  |
| 10. According to customer's requirement |  |
| Finish | Electroplating: Zinc Plating, Ni Plating, Electroless Nickel Plating, Zn-Ni Alloy Plating, Tin Plating, Copper-plating, Hot-dip Galvanizing, Black Oxide Coating, Black Anodizing, etc |
| Powdering, Rust Preventive Oil, Silver plating, etc |  |
| Testing Equipment | CMM, Projector, Pull Tester, Automatic Optic Inspector, Projecting Apparatus |
| Salt Spray Test, Durometer, Coating Analyzer, Tensile Machine |  |
| Management System | ISO9001/SGS/Rohs/IATF16949 |
| Certification | SGS,RoHS,Material Certification,PPAP |
| Production Capability | Auto Lathe Turning: ODΦ1.0-20mm, Tolerance.±0.01mm |
| CNC Lathe Turning:ODΦ1.0-460mm,Tolerance.±0.005mm |  |
| CNC Milling:800x600mm(LxW),Tolerance.±0.05mm |  |
| Grinding: Tolerance.±0.002mm |  |
| Screw Cold Heading and Rolling: Metric 0.8-M16 |  |
| Injection:300T Max |  |
| Stamping:250T Max |  |

## Description

Double Head Threaded Brass Blot, Copper Screw, Electrical Screw is part of our other machine & custom screws range (Screws).

### Key details

- **Type:** Round Head
- **Standard:** DIN, GB, ANSI, BSW, JIS, GOST
- **Material:** Brass
- **Grade:** 8.8
- **Head Style:** Round
- **Groove:** Special Shape
- **Connection:** Common Bolt
- **Drawing:** Acceptable

Available configurations include head style, standard, grade, customized and material. 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$0.22 – 0.30 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 Double Head Threaded Brass Blot, Copper Screw, Electrical Screw?

The listed minimum order is 1 piece, at US$0.22 – 0.30 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 Double Head Threaded Brass Blot, Copper Screw, Electrical Screw?

Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Brass; Grade: 8.8; Head Style: Round; Groove: Special Shape. The full specification table and any technical parameter tables are listed on this page.

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

Listed configurations include head style, standard, grade, customized and material. 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 other machine & custom screws are available?

The Other Machine & Custom Screws category lists 14,058 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/](https://engineeringhardware.com/fastener-products/screws/other-machine-custom-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/)

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