sales@lemarmetal.com
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Your Professional Internal Hex Screws Manufacturer

 

Wuxi Lemar Metal Products Co., Ltd. is a professional fastener system service group integrating scientific research, manufacturing, sales and logistics. It follows the business philosophy of "striving for excellence and adhering to integrity" and has established a good image in the field of fastener manufacturing and sales. It has established long-term cooperative relationships with major well-known logistics brands at home and abroad to ensure that products are delivered to customers at the fastest speed and are well received by users.

 

 
 
Why Choose Us
 

Technical team support
Possess full process manufacturing capabilities and experimental research and development capabilities for fasteners. With strong technical strength and 3D marketing network, it has more than 100,000 enterprise-level users and serves 57 industries.

 

Production Equipment
Our company has cold heading machines, thread rolling machines, wire drawing machines, thread rolling machines, tapping machines, vibration plate automatic assembly and other processing and feeding equipment.

 

Sales Market
Lemar Assisting scientific research enterprises,exported to Europe,North America, Africa, Central Asia, Middle East.

 

Internal Hex Screws - Overview

 

 

Internal hex screws, also known as socket head cap screws or Allen screws, are threaded fasteners with a hexagonal recess in the head that accepts a hex key (or Allen wrench) for tightening. They are designed to be driven by a hex key inserted into the internal socket of the screw head.

 

Product Specification
 

We provide the following product specifications：

Material

‎Stainless Steel

Drive System

‎External Hex, Internal Hex

Head Style

‎Flat, Socket, Hex

Exterior Finish

‎Stainless Steel

Thread Size

‎M8

Metal Type

‎Stainless Steel

Head Type

‎Socket

Item Weight

‎220 Grams

Thread Type

‎Metric

Thread Coverage

‎Fully Threaded

Set Screw Thread Type

‎M

Thread Style

‎M4 m5 m6 m8 m10 fully threaded

Fastener Size

‎M8x55

Part Number

‎677912

Item Weight

‎7.8 ounces

Item Package Quantity

‎1

 

Hex Button Cap Screw

 

Advantages of Internal Hex Screws

☆High tightening torque: Thanks to the geometry of the hexagon head, high tightening torques can be achieved without damaging the screw.

 

☆Easy installation: Allen keys allow efficient and precise force transmission. The use of this tool is more comfortable and safer, reducing the risk of injury and fatigue.

 

☆Increased vibration resistance: Thanks to the hexagonal shape of the hexagon socket screw, which distributes the force evenly.

 

☆Corrosion resistance: Coatings such as zinc plating and black offer protection against rust.

 

Materials for Socket Screws

 
 
01
 

Steel

Standard steel socket screws are strong and cost-effective. What’s more, they are often coated with zinc or black oxide to improve corrosion resistance.

 
02
 

Stainless Steel

Perfect for corrosion-resistant applications, stainless steel socket screws are commonly used in outdoor structures, food processing equipment, and medical devices.

 
03
 

Marine-Grade Stainless Steel (316 Stainless Steel)

These screws are commonly applied in marine, aerospace, and extreme weather conditions because they are designed to resist rust and saltwater corrosion.

Chamfered Hexagon Socket Screws

 

Application

Automotive

Fastening of mechanical components, engine assembly, body panels, seats, etc.
Construction

Assembly of metal structures, fixing of machinery, urban furniture.
Machinery

Fixing of components in industrial machinery, agricultural equipment, etc.
Furniture and carpentry

Assembly of furniture, shelving, joining of wooden parts, etc.

Electronics

Fixing electronic components on boards and housings.

Sports

Manufacture of bicycles, sports equipment, etc.

General maintenance and repair

Fastenings in machinery, vehicles and electrical equipment, among others.

 

Customization Process

 

Requirement Discussion

Contact us and provide your design drawings, size specifications, and other technical parameters.

01

Design Proposal

Our professional team will develop a design proposal and provide a quotation based on your requirements.

02

Sample Production

We produce samples according to the design proposal and conduct rigorous testing.

03

Mass Production

Upon your approval, we commence mass production to ensure timely delivery and consistent quality.

04

After-Sales Service

We offer ongoing technical support and service to ensure the long-term stable operation of our products.

05

 

Other Services
 

We stock commonly used fasteners including sheet metal screws, machine screws, hex cap screws, and hex lag screws, along with specialty fasteners like sidewalk bolts, tamper-proof screws, and tri-bulb rivets.

Over 18 Million Fasteners

Order as few as one piece, or scale up for large projects. Volume pricing discounts are applied as quantity increases.

Dedicated Support

For OEMs, contractors, MROs, municipalities, wholesale, and industrial buyers.

Easy Online Ordering

Create an account and check out quickly. Choose your shipping speed based on project timelines.

No Quantity Minimums

Get exactly what you need, fast, whether it's a single screw or thousands.

Custom Cutting Services

Threaded rod, studs, bolts, and more, cut and chamfered to spec.

Flexible Purchasing

Request a quote or apply for Net 30 terms, whether you're buying for business or personal use.

 

Package & Delivery

 

Package: Standard export package
Delivery: By air express, by sea

 

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FAQ

 

Q: What are the advantages of hex screws?

A: The hex head design offers several advantages over other screw types. The shape allows for a more secure grip to reduce the risk of stripping, which makes it easier to drive into wood. This design is particularly beneficial in applications where high torque is required.

Q: What is the difference between internal and external screws?

A: Construction screws are typically designed for interior non-structural applications where exposure to the elements isn't likely. While they have many of the same features as exterior screws, they're not usually coated to withstand corrosion.

Q: Why are hex screws so popular?

A: Convenience in Installation: The hexagonal head design allows for a tighter, more secure connection with the tool, to reduce the chance of slippage during installation or extraction.

Q: Do hex screws need nuts?

A: Hex bolts are installed by turning a nut to tighten the fastener. Hex cap screws are installed into tapped holes by turning the head to assemble and tighten. Hex bolts have neither the washer face nor chamfered point.

Q: Are you manufacturer or trading company?

A: We are manufacturer.

Q: What's your best delivery time?

A: Within 15-30 days.

Q: What is the quality control of your product?

A: Follow strictly quality control measures for implementation,

Q: Will your company provide free sample?

A: It depends on which sort of item you want to get. Some can be provided free of charge, however, the client shall assume the shipping fees himself.

Q: Is OEM open to clients?

A: Yes, we can provide both OEM and ODM service.

Q:  How can our company be your distribution partner?

A:  We welcome you to be our distributor. For further details, please contact us.

Q: What is the payment of sample?

A: T/T and Alipay both acceptable.

Q: What is your sample policy?

A: If we have stock, we can provide samples, but the customer must pay the sample fee and express fee Question.

Q: Have you tested all your goods before shipment?

A: Yes, we will conduct 100% test before delivery, and we will send detailed photos of parts for your approval Question.

We're well-known as one of the leading internal hex screws manufacturers and suppliers in China. If you're going to wholesale high quality internal hex screws made in China, welcome to get pricelist and free sample from our factory. Also, OEM service is available.

Low Socket Head Cap Screw, Flat Head Hexagon Screw, internal hex screws

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