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Shenzhen Liying Hardware Building Materials Co., Ltd. is located at the intersection of the roads between the beautiful Futian District of Shenzhen and the Hong Kong Special Administrative Region, with unique location and environmental advantages.

The company was founded in 2020. After years of development, the company has total assets of hundreds of millions of yuan, with import and export trade as the main business, the company strives to become a global supply chain management integrated service provider, has a large number of professionals, involved in six series of products, the main product is metal wire, rope and its extension products manufacturing, annual sales capacity of 400,000 tons.

CHIPBOARD SCREWS
Chipboard screws are self-tapping screws with a small screw diameter. It can be used for precision applications like the fastening of chipboards of varying densities.

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DRYWALL SCREWS
Drywall screws made of hardened carbon steel or stainless steel are used for fastening drywall to wood studs or to metal studs. They have deeper threads than other kinds of screws, which can prevent

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FLAT WASHERS
Flat washers are used to increase the bearing surface of a nut or fastener's head thus spreading the clamping force over a larger area.

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SPRING WASHERS
A ring split at one point and bent into a helical shape. This causes the washer to exert a spring force between the fastener's head and the substrate

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FLANGE NUTS
flange nuts are one of the most common nuts available and are used with anchors, bolts, screws, studs, threaded rods and on any other fastener that has machine screw threads. Flange is which means

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LOCK NUTS
Metric Lock Nuts all have a feature that creates a non-permanent locking action. Prevailing Torque Lock Nuts rely upon thread deformation and must be wrenched on and off; they are not chemical and

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Hex Bolts
Hex bolts are used to fasten two or more parts together to form an assembly either because it cannot be manufactured as a single part or to allow for maintenance and repair disassembly.

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GRADE8.8/10.9 Full Threaded Rods
Full threaded rods are common, readily available fasteners that are used in multiple construction applications. Rods are continuously threaded from one end to the other and are frequently referred to

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Hex Nuts
Hex nuts are one of the most common nuts available and are used with anchors, bolts, screws, studs, threaded rods and on any other fastener that has machine screw threads.

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FLANGE HEAD BOLTS
flange head bolts are used to fasten two or more parts together to form an assembly either because it cannot be manufactured as a single part or to allow for maintenance and repair disassembly.

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Double End Stud Bolts
Double end stud bolts are threaded fasteners that have a thread on both ends with an unthreaded portion in between the two threaded ends.

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Why choose us

Quality control

For each process,we have strict inspection standards,and we always insist that quality is life.

One-stop solution

With rich experience and one-to-one service,we can help you choose products and answer technical questions.

Competitive price

We have a professional purchasing team and costing team,trying to reduce costs and profits,and provide you with a good price.

24h online service

You can contact us to inquire about pre-sales, sales, and after-sales services, and we will give you a very satisfactoryWe are at your service online 24 hours a day.

Our company offers the following products

DRYWALL SCREWS

Drywall screws made of hardened carbon steel or stainless steel are used for fastening drywall to wood studs or to metal studs. They have deeper threads than other kinds of screws, which can prevent them from removing easily from the drywall.

Ease of Use and Preparation

Drywall screws are designed for simplicity, requiring minimal preparation before use. Their self-drilling capability eliminates the need for pre-drilling pilot holes, significantly speeding up the installation process, which is particularly beneficial for quick woodworking tasks.

Bugle Head Design

The bugle head of drywall screws helps achieve a smooth, even finish. This design allows the screw to sit flush with the surface of the wood, reducing the likelihood of the screw pulling through the material. This can be particularly useful in applications where a clean, finished appearance is desired.

Quick Installationdelivery

Drywall screws have sharp, self-drilling points that make them easy to drive into materials quickly. This can be advantageous for lightweight woodworking tasks where rapid installation is beneficial. The ability to penetrate materials swiftly without additional steps makes them convenient for smaller or less demanding projects.

Types of Drywall Screws

W drywall screws

Generally, this type of screw is used in woodwork. They are designed with wide coarse threads which can be easily installed on wood materials.

S drywall screws

They are usually used to secure drywall screw on steel materials. They have a sharp head that makes it easier to pass through hard materials.

Drywall Screw Size by Length

½-inch drywall

This is the most common type of drywall in homes. Use 1 ¼-inch or 1 ⅝-inch screws. Some homeowners prefer to use the smaller size to avoid damaging metal studs.

¼-inch drywall

Thin drywall is sometimes used to skim walls and ceilings or to cover curved areas. Use 1-inch or 1 ¼-inch screws.

⅝-inch drywall

Fire code may require a slightly thicker drywall in certain areas of your home. Use ⅝-inch drywall in garages and walls near your furnace. This drywall thickness requires 1 ⅝-inch or 2-inch screws.

FLANGE NUTS

Flange nuts are one of the most common nuts available and are used with anchors, bolts, screws, studs, threaded rods and on any other fastener that has machine screw threads. Flange is which means they have flange bottom. Metric Flange Nuts resemble and are frequently used with Flange Bolts.

NOMINAL NUT SIZE	EDP #		A	B	C	D	E
			FLANGE DIA.	ACROSS FLATS	ACROSS CORNERS	NUT THICKNESS	MINIMUM FLANGE EDGE THICKNESS
5/16 - 18	F04200M				0.505	0.236	0.04
	F04280M	Max.	0.594	0.438
	F04280M	Min.	0.574	0.428	0.488	0.222
5/16 - 18	F05180M	Max.	0.68	0.500	0.577	0.283	0.04
5/16 - 24	F05240M	Min.	0.66	0.489	0.557	0.268	0.04
3/8 - 16	F06160M	Max.	0.75	0.562	0.65	0.347	0.04
3/8 - 24	F06240M	Min.	0.728	0.551	0.628	0.33	0.04
7/16 - 14	F07140M	Max.	0.937	0.688	0.794	0.395	0.04
7/16 - 20	F07200M	Min.	0.91	0.675	0.768	0.375	0.04
41306	F08130M	Max.	1.031	0.750	0.866	0.458	0.05
43862	F08200M	Min.	1.000	0.736	0.84	0.437	0.05
9/16 - 12	F09120M	Max.	1.188	0.875	1.01	0.506	0.05
9/16 -18	F09180M	Min.	1.155	0.861	0.982	0.483	0.05
5/8 - 11	F10110M	Max.	1.281	0.938	1.083	0.569	0.05
5/8 - 18	F10180M	Min.	1.248	0.922	1.051	0.545	0.05
40271	F12100M	Max.	1.500	1.125	1.299	0.675	0.06
42463	F12160M	Min.	1.460	1.088	1.24	0.627	0.06
7/8 - 9	F14090M	Max.	1.750	1.312	1.515	0.788	0.07
7/8 - 14	F14140M	Min.	1.706	1.269	1.446	0.735	0.07
1 - 8	F16080M	Max.	2.000	1.500	1.732	0.9	0.08
1 - 12	F16120M	Min.	1.950	1.450	1.653	0.85	0.08

Features of Flange Nuts

Load Distribution

The flange provides a larger bearing surface, helping to distribute the clamping load more evenly. This helps prevent damage to the material being fastened and reduces the risk of over-tightening, especially in delicate materials.

Vibration Resistance

Flange nuts are particularly effective in environments where vibrations are a concern. The flange creates a locking effect that reduces the chances of the nut loosening over time, making them ideal for automotive, machinery, and other high-vibration applications.

Alignment Assistance

The flange helps in aligning the fastener during installation. This feature simplifies the positioning of the nut, ensuring accurate placement and reducing installation time.

Sealing Properties

In some applications, the flange nut also acts as a seal, preventing moisture, dust, or other contaminants from entering the joint and compromising its integrity.

Comparison Between Flange Nut and Normal Nut

Feature	Flange Nut	Normal Nut
Load Distribution	Excellent due to integrated flange	Requires additional washer for better load distribution
Vibration Resistance	Serrated flange prevents loosening	May loosen over time
Need for Washer	No	Yes, often needed
Surface Protection	Wide flange prevents damage	Dependent on washer and torque
Cost Efficiency	More cost-effective in long-term	Higher due to added components

Certification

Our Factory

FAQ

Q: How long is your lead time?

A: Lead time varies from different seasons and your order quantity; In general we can delivery your goods in 20-40 days( not including time in shipping);

Q: What's your payment terms?

A: We prefer T/T 30% as downpayment, balance against B/L copy; We accept 100% LC at sight and other.

Q: What is your MOQ?

A: We accept FCL and LCL shipment;

Q: Can you take care of shipping?

A: We take care of shipping under delivery term CNF or CIF;The buyer takes care of shipping under delivery term FOB, but we can support the buyer to find a proper shipping forwarder;

Q: Is sample available?

A: Sample of normal specifications are normally available; Sample is free, but the buyer pays for the freight.

Q: Why do you need a special screw for drywall?

A: Special screws are needed for drywall because drywall screws have deeper threads than a regular screw. This keeps them in place and makes sure they don't dislodge easily from the wall.

Q: How much weight does a drywall screw hold?

A: A drywall screw can hold approximately 20 pounds of weight, while anchors can hold up to 50 pounds.

Q: Do you need a drywall anchor?

A: You should use a drywall anchor when hanging heavy objects or there is no stud behind the wall. Without a stud, the screw could slip out easily.

Q: What are the main advantages of a flange nut?

A: Flange nuts distribute load more effectively, resist loosening due to vibrations, and eliminate the need for washers.

Q: When should I use a flange nut instead of a normal nut?

A: Flange nuts are ideal for high-vibration environments like automotive and industrial applications.

Q: Do flange nuts cost more than normal nuts?

A: Initially, flange nuts may be slightly more expensive, but they save costs in the long run by reducing the need for additional washers and lowering maintenance.

Q: Can flange nuts be reused?

A: Yes, flange nuts can typically be reused, but their serrated edges may wear down over time, reducing their effectiveness.

Q: Are flange nuts stronger than regular nuts?

A: Flange nuts are not necessarily "stronger," but their design provides better load distribution and stability under stress.

Q: Do flange nuts need washers?

A: No, flange nuts have a built-in flange that acts as a washer, simplifying the assembly process.

As one of the most professional fastener manufacturers and suppliers in China, we're featured by quality products and low price. Please rest assured to buy cheap fastener in stock here from our factory. Contact us for quotation.

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