Description
Overview:
The Hex Socket Head Cap Screw M16 x 50 (sold individually) is a high-strength fastener for precision assembly in construction plant, agricultural and garden machinery, machine tools, pumps, and general engineering fixtures. Made from high-tensile alloy steel to property class 12.9 and heat treated for strength, it delivers reliable clamping in demanding settings. The chemical black (black oxide) finish offers light corrosion resistance and a neat, low-glare appearance. Its compact cylindrical head accepts an internal hex key for positive drive where spanner clearance is limited. Use in threaded housings or with a suitable nut and washer set when assembling frames, brackets, guards, flanges, engines, gearboxes, or fixtures that need high clamp load and accurate alignment.
Key Features:
- Grade 12.9 alloy steel for very high tensile and clamp strength under heavy loads. - Size M16 x 50: 16 mm nominal thread diameter, 50 mm under‐head length for common machinery fixings. - Internal hex drive gives strong torque transfer and access in tight or recessed locations. - Chemical black (black oxide) finish for light corrosion resistance and improved oil retention. - Durable head and shank geometry suited to repeated assembly with the right tools. - Suitable for precision engineering where joint integrity and alignment are critical. - Sold individually for maintenance, repairs, and one-off builds. - Also available in other finishes in this range, including zinc plated and stainless steel options. - Wide complementary size range typically from M3 x 10 to M24 x 100 to suit various assemblies. - Use with matching high‐tensile nuts/washers and apply correct torque for safe, consistent results.
Typical Applications:
Secure mounting of engines, pumps, gearboxes, motors, and bearing housings; fixing of frames, guards, brackets, and flanges; assembling jigs and fixtures; refurbishing construction and landscaping equipment; repairs on compactors, mixers, mowers, chippers, and workshop machinery where a strong, compact cap screw is preferred.
Also known as:
Allen bolt, Allen cap screw, socket head cap screw (SHCS), cap head bolt, internal hex bolt, socket cap screw, cap screw with hex drive, Allen screw. These names refer to the same internal-hex, cylindrical-head metric fastener used for high-strength clamping in machinery and equipment.
Product Specifications
| L&S Part No. | 903 0319 |
|---|---|
| OEM No. | 903 0319 25PK |
| Unit of Sale | Each |
| Key Features | - Grade 12.9 alloy steel for high tensile strength - M16 x 50 mm size for common machinery fixings - Internal hex drive for strong torque transfer - Chemical black finish for light corrosion resistance - Suitable for precision engineering and high clamp load applications |
