Low Head Allen Cap Screw

Description

Low Head Allen Cap Screw is a variation of the standard socket head cap screw, featuring a reduced head height and an internal hex (Allen) drive. Designed for applications where space is limited above the fastener head, these screws provide a compact, reliable solution for high-strength fastening in tight or recessed areas.

Low head socket cap screws to DIN 7984 are designed to be used in special applications where head height clearance is a problem. Because of their reduced head height and smaller socket size, they normally cannot be pre-loaded as high as a standard socket head cap screw and should not be subjected to high dynamic loads.
Suitable for use in parts too thin for standard height socket cap screw and for applications with limited clearances.

Applications of Low Head Allen Cap Screw

Low Head Allen Cap Screws are ideal for applications where vertical space is limited, and a flush or semi-flush fastener head is desirable. Common uses include:

• Mechanical assemblies with tight clearances: Especially in electronics, robotics, and machinery.

• Automotive and aerospace components: Where compact, lightweight fasteners are preferred.

• Tooling and jigs: Where space constraints exist and repeated disassembly is needed.

• Furniture and consumer products: For clean aesthetics and secure fastening without protruding hardware.

• Precision instruments and small mechanical devices: Where size and alignment tolerances are critical.

In all cases, the reduced head profile minimizes obstruction while still offering sufficient strength for medium-load applications.

Advantages Low Head Allen Cap Screw

• Compact Profile: The low head design is ideal for shallow counterbores or flush surfaces.

• Clean Appearance: Preferred in applications where visible fasteners should be unobtrusive.

• Weight Reduction: The smaller head reduces overall fastener weight, important in aerospace and electronics.

• High Strength-to-Size Ratio: Despite the lower profile, the screw retains significant strength (though less than a full-size cap screw).

• Allen Drive Advantages: Internal hex provides good torque transfer with minimal risk of cam-out, especially in manual assembly.

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