Stainless Steel Allen Countersunk Screw is a type of screw that is sunk into the surface of the base material at complete installation. Suraj Metal Corporation is a leading manufacturer and supplier of the different types of SS 304 Allen Head Countersunk Screw in various sizes and grades. The 304 material is an austenitic stainless steel that is strong and corrosion resistant.
It is the most used steel in the world. The countersunk screw head is designed in a way to be sunk into the panel when driven into it. There are SS 316 Allen Key Countersunk Screw types which are made up of a more corrosion resistant material. The csk screws can also be self tapping screws. There are different types and sizes such as the M6 CSK Allen Cap Screw made for different applications. The allen cap can be tightened and loosened with allen keys. These are useful to install the screws into limited and narrow space. The CSK Allen Head Screw is used in wooden, metallic, marine, general corrosive and many other domestic application types. As a leading supplier and stokiest of the different allencsk screws. Please contact us for more information on the CSKAllen Bolt and the pricing.
| 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 |
| Thread Diameter | D2(mm) | K Max (mm) | S Min (mm) | Pitch | Available Lengths |
| M2 |
4.0 |
1.2 |
1.27 |
0.40 |
From 3mm |
| M2.5 | 5.0 |
1.45 |
1.5 |
0.45 |
From 3mm |
| M3 | 6.0 |
1.7 |
2.0 |
0.50 |
From 4mm |
| M3.5 | 7.0 | – | – | – | From 5mm |
| M4 | 8.0 |
2.3 |
2.5 |
0.70 |
From 4mm |
| M5 | 10.0 |
2.8 |
3.0 |
0.80 |
From 6mm |
| M6 | 12.0 |
3.3 |
4.0 |
1.00 |
From 8mm |
| M8 | 16.0 |
4.4 |
5.0 |
1.25 |
From 10mm |
| M10 | 20.0 |
5.5 |
6.0 |
1.50 |
From 12mm |
| M12 | 24.0 |
6.5 |
8.0 |
1.75 |
From 16mm |
| M14 | 27.0 |
7.0 |
10.0 |
2.00 |
From 25mm |
| M16 | 30.0 |
7.5 |
10.0 |
2.00 |
From 20mm |
| M18 | 33.0 |
8.0 |
10.0 |
2.50 |
From 40mm |
| M20 | 36.0 |
8.5 |
12.0 |
2.50 |
From 30mm |
| M22 | 36.0 |
13.1 |
14.0 |
2.50 |
From 40mm |
| M24 | 39.0 |
14.0 |
14.0 |
3.00 | From 30mm |
| M27 | – |
– |
– |
3.00 | Please Call |
| M30 | – |
– |
– |
3.50 | From 50mm |
| M36 | – |
– |
– |
4.00 | Please Call |
| D | s | k | dk | e |
|---|---|---|---|---|
| M2 90° | 1.2400 | 1.2400 | 4.0000 | 1.7300 |
| M2.5 90° | 1.5200 | 1.5500 | 5.0000 | 2.3000 |
| M3 90° | 2.0000 | 1.7000 | 6.0000 | 2.3000 |
| M4 90° | 2.5000 | 2.3000 | 8.0000 | 2.8700 |
| M5 90° | 3.0000 | 2.8000 | 10.0000 | 3.4400 |
| M6 90° | 4.0000 | 3.3000 | 12.0000 | 4.5800 |
| M8 90° | 5.0000 | 4.4000 | 16.0000 | 5.7200 |
| M10 90° | 6.0000 | 5.5000 | 20.0000 | 6.8600 |
| M12 90° | 8.0000 | 6.5000 | 24.0000 | 9.1500 |
| M14 90° | 10.0000 | 7.0000 | 27.0000 | 11.4300 |
| M16 90° | 10.0000 | 7.5000 | 30.0000 | 11.4300 |
| M18 90° | 12.0000 | 8.0000 | 33.0000 | 13.7200 |
| M20 90° | 12.0000 | 8.5000 | 36.0000 | 13.7200 |
| M22 60° | 14.0000 | 13.0000 | 36.0000 | 16.0000 |
| M24 60° | 14.0000 | 14.0000 | 39.0000 | 16.0000 |
