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M4X0.7 Capstan Screw

A1 Stainless Steel

DIN 404

SKU: 00-Y404-A1-M4
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DIN 404 Capstan Screw – AISI 303 Stainless Steel

DIN 404 capstan screws are designed with a cylindrical head featuring cross-drilled holes, allowing installation and adjustment using a bar or pin for increased leverage. This head style enables quick manual tightening and controlled adjustment without the need for conventional drive tools. The design makes capstan screws particularly suitable for applications requiring frequent repositioning or secure clamping with accessible side engagement.

Material

Manufactured from AISI 303 stainless steel, these screws provide good mechanical strength combined with excellent corrosion resistance. AISI 303 offers outstanding machinability along with reliable resistance to rust in humid and mildly corrosive environments. The natural stainless steel finish maintains a clean, professional appearance while preserving the material’s inherent durability and resistance to oxidation.

Use

DIN 404 capstan screws are commonly used in machinery adjustments, equipment fixtures, clamping devices, jigs, and positioning mechanisms. They are ideal for applications where components require periodic tightening, alignment, or removal. Their stainless steel construction makes them well suited for use in industrial equipment, laboratory devices, and assemblies exposed to moisture or frequent handling.

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