Customized Cross Recessed Screws M8 M10 Countersunk Flat Head Screws
Cross Recessed Countersunk Flat Head Screws
Definition and Characteristics:
Machine screws, also known as machine screws or thread screws, are screws that are assembled in threaded holes and used to connect parts with internal threaded holes
and parts with through holes, achieving a detachable connection.
It can also be used in conjunction with nuts for fastening connections between two parts with through holes.
The diameter of the machine screw is uniform from beginning to end, and the head is flat. The front and bottom of the teeth are the same, and the tooth angle is generally 60 °
| d | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | M8 | M10 | |
| P | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 | |
| dk | Max | 4.4 | 5.5 | 6.3 | 8.2 | 9.4 | 10.4 | 12.6 | 17.3 | 20 |
| min | 3.5 | 4.4 | 5.2 | 6.9 | 8 | 8.9 | 10.9 | 15.4 | 17.8 | |
| k | Max | 1.2 | 1.5 | 1.65 | 2.35 | 2.7 | 2.7 | 3.3 | 4.65 | 5 |
| r | Max | 0.5 | 0.6 | 0.8 | 0.9 | 1 | 1.3 | 1.5 | 2 | 2.5 |
| x | Max | 1 | 1.1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3.2 | 3.8 |
Application scenarios:
Machine screws are more commonly used inside machine equipment or in hard materials, such as connecting various components in the field of mechanical manufacturing,
connecting engine cylinder heads in automotive production, manufacturing and assembly of various furniture, and steel structure buildings in construction.
Due to its small size and uniform threads, machine screws are particularly suitable for places that require high-precision and meticulous connections, such as fixing
components on circuit boards in the assembly of electronic products
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