316 rust-proof plum blossom with insert and pad K series plastic special self-tapping screw core function

Jun 20, 2025

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Stainless steel 316 rust-proof plum blossom belt-wadding K series plastic special self-tapping screws are a kind of fasteners specially designed for plastic (plastic) assembly. Its core features are reflected in the material, structure, rust-proof ability, and applicable scenarios. Let's take a look at the core functions of this product.

 

Top rust-proof

316 stainless steel material can resist chloride corrosion, such as salt water and chemical media. 316 stainless steel material is suitable for use in humid and industrial environments, and its life span far exceeds 304 stainless steel.

 

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Efficient installation

Plum blossom cross slot: adapt to power tools to quickly screw in and improve assembly efficiency.

Self-tapping thread: sharp tooth tail design, no pre-drilling, directly cut into the plastic, and reduces the risk of cracking.

 

Anti-loosening seal

Belt-wadding combination: flat gasket disperses pressure to protect the plastic surface from being crushed. PTFE gaskets are resistant to 240℃, seal moisture-proof and loose-proof, and are suitable for vibration environments.

Plastic adaptation optimization

Wide tooth/quick attack thread: reduce the attack torque and avoid plastic thread slippage.

 

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Head design: Pan head or flange head (common in K series), increasing contact surface and improving connection stability.

 

Weather resistance extension

Surface natural color passivation treatment, no risk of coating peeling, suitable for harsh scenes such as solar brackets, ship equipment and other outdoor equipment, chemical industry, etc.

Applicable scenarios
Precision electronics: no magnetic interference after solution treatment.

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Outdoor plastic structure: gasket waterproof sealing design + 316 stainless steel material rust prevention.

Home appliance/automotive plastic parts: such as shell fixing and internal bracket connection.

 

 

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