Home > Button Head Cap Screws
Explore our selection of Button Head Cap Screws, designed for a wide array of industrial applications. Built to satisfy demanding industry standards, our screws deliver outstanding durability and corrosion resistance. Depend on our adaptable product options, competitive pricing, and fast shipping to keep you satisfied. Whether for construction, infrastructure, or industrial work, our Button Head Cap Screws exceed rigorous demands, delivering dependability and inventive design. Trust 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 advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply these Button Head Cap Screws in accordance with DIN, ISO, JIS or ANSI Standard.
Button Head Cap 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.
Button head cap screws typically need corrosion protection coatings to improve their durability and performance across different settings. Such coatings work to stop rust and corrosion, keeping the screws sound and visually appealing as time passes. Whether a coating is required in a given case comes down to the application and the surrounding environmental conditions.
