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Self-Tapping Screw | Hex Flange Head with Washer

Hex flange head self-tapping screw in yellow zinc finish, the hardened thread forms its own mating thread in sheet metal, wood and plastic without pre-tapping, speeding up assembly lines and field installation.

Material
Carbon steel C1022
Surface
Yellow zinc plated
Head
Hex flange head
Washer
EPDM washer; plain steel washer
Size Range
ST2.9 - ST6.3
Point
Sharp point
Application
Sheet metal; wood; plastic

Description

Hex flange head self-tapping screw in yellow zinc finish, the hardened thread forms its own mating thread in sheet metal, wood and plastic without pre-tapping, speeding up assembly lines and field installation.


Key Features

Case hardened C1022 steel ensures the thread cuts cleanly without breaking; flange head with captive washer spreads clamping load and seals the hole; sharp point for fast starting; suitable for sheet metal; wood and plastic assembly.


Technical Specifications

Parameter Value
Surface Yellow zinc plated
Head Hex flange head
Washer EPDM washer; plain steel washer
Size Range ST2.9 - ST6.3
Point Sharp point
Application Sheet metal; wood; plastic

Faq

Are you a factory or trading company?

We are a professional manufacturer of fasteners, integrating production, R&D and export. We welcome customers to visit our factory.

Can you provide OEM & ODM custom fastener services?

Yes. We can produce custom bolts, nuts and non-standard parts according to your drawings, samples or technical requirements.

What materials do you offer for fasteners?

We supply carbon steel, stainless steel, alloy steel, nylon and other materials. Surface treatments such as zinc plating, hot-dip galvanizing are available.

What is your MOQ (Minimum Order Quantity)?

For standard fasteners, small trial orders are acceptable. For customized non-standard products, MOQ depends on the production process.

How long is your production lead time?

Standard items usually take 7–15 days. Custom products will be confirmed based on drawings and order quantity.

Can you provide inspection reports and certificates?

Yes. We can offer material test certificates, dimension inspection reports and related documents to meet international standards.

What payment terms do you accept?

We support T/T, L/C and other negotiable payment terms for international business.

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