Home > Allen CSK Screws
Explore our selection of Allen CSK Screws, designed for a wide array of industrial applications. Built to satisfy demanding industry benchmarks, our screws deliver outstanding durability and protection against corrosion. Depend on our adaptable product options, cost-effective pricing, and swift shipping to guarantee your satisfaction. Whether for construction, infrastructure, or industrial ventures, our Allen CSK Screws exceed rigorous demands, delivering dependability and inventive design. Trust in our commitment to quality and know-how for exceptional results.
| Allen CSK Screws Standard | ISO 7380, DIN7991, DIN 912 ASTM, ANSI, JIS, EN, AS, GB |
|---|---|
| DIN 912 carbon steel 12.9 Hexagon allen head cap screw Sizes | M1.6, M2, M2.5, M3, M3.5, M4, M5, M6, M7, M8, M10, M12, M14, M16, M18, M20, M22, M24, M27, M30 |
| Screw Head | Pan head, flat head, oval head, hex head, phillips head |
| Din7991 A2 Ss Countersunk Screw Csk Allen Socket Screws Dimensions | ASME B18.6.3 **Exception: screws 6 inches and shorter are fully threaded. |
| Thread Requirements | ASME B1.1, UNC & UNF, Class 2A |
| Size | Dia | Thread Dia | Head Dia (mm) | Head Height (mm) | Allen Key Size | Thread Length |
|---|---|---|---|---|---|---|
| M3 | 3mm | 2.86mm | 5.7 – 6 | 0.95 – 1.2 | 2 | 30mm |
| M4 | 4mm | 3.82mm | 7.64 – 8 | 1.5 – 1.8 | 2.5 | 40mm |
| M5 | 5mm | 4.82mm | 9.64 – 10 | 2.05 – 2.5 | 3 | 40mm |
| M6 | 6mm | 5.7mm | 11.57 – 12 | 2.25 – 2.5 | 4 | 40mm |
| M8 | 8mm | 7.64 | 15.57 – 16 | 3.2 – 3.5 | 6 | 40mm |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for every one of your piping requirements. With advanced production facilities strategically positioned across New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-grade materials kept ready in stock.
Reach out to us for a fast quote tailored to your needs.
We provide these Allen CSK Screws in accordance with DIN, ISO, JIS or ANSI Standard.
Allen CSK Screws serve applications as varied as the industries that use them, led chiefly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
No, Allen CSK (countersunk) screws are generally unsuitable for high-temperature applications because of the constraints of their material. Such screws are usually manufactured from materials like stainless steel or alloy steel, which offer less heat resistance than materials like titanium or particular stainless steel grades engineered for high-temperature settings. When an application demands tolerance to raised temperatures, it is recommended to choose screws produced from materials expressly certified for those conditions.
