M8X1.25 Slotted Shoulder Bolt

Slotted Shoulder Cheese Head - AISI 303 Stainless DIN 923

DIN 923 screws are precision shoulder screws featuring a cylindrical cheese head, a slotted drive, and an unthreaded shoulder section designed for accurate positioning and controlled movement within assemblies. The shoulder acts as a bearing surface or spacer, allowing components to rotate, slide, or align correctly while the threaded portion secures the assembly in place. The slotted head design enables straightforward installation and adjustment using a standard flat-blade screwdriver. These screws are sized by both the thread diameter and the shoulder diameter and length, which determine the functional bearing surface of the fastener.

Material

Manufactured from AISI 303 stainless steel, these screws provide good mechanical strength together with reliable corrosion resistance. AISI 303 stainless steel is well known for its excellent machinability and dimensional consistency while offering resistance to rust in humid and mildly corrosive environments. The natural stainless finish maintains a clean and professional appearance while preserving the material’s inherent durability and resistance to oxidation.

Use

DIN 923 shoulder screws are commonly used in machinery assemblies, linkage systems, guide mechanisms, hinges, rollers, and positioning equipment where controlled spacing or rotational movement is required. They are widely used in industrial machinery, tooling, instrumentation, and maintenance applications requiring precise alignment and repeatable movement. Their stainless steel construction makes them particularly suitable for environments where corrosion resistance, durability, and reliable mechanical performance are important.

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