DIN 7981 Cross Recessed Pan Head Self Tapping Screws Stainless SteelSUS304/Carbon Steel Plain/Dacromet/Galvanization
DIN7981

Screw Thread | ST2.2 | ST2.9 | ST3.5 | ST4.2 | ST4.8 | ST5.5 | ST6.3 | ST8 | ST9.5 |
d | | | | | | | | | |
P | Pitch | | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 |
a | max | | 0.8 | 1.1 | 1.3 | 1.4 | 1.6 | 1.8 | 1.8 | 2.1 | 2.1 |
dk | max | | 4 | 5.6 | 7 | 8 | 9.5 | 11 | 12 | 16 | 20 |
min | | 3.7 | 5.3 | 6.64 | 7.64 | 9.14 | 10.57 | 11.57 | 15.57 | 19.48 |
k | max | | 1.6 | 2.4 | 2.6 | 3.1 | 3.7 | 4 | 4.6 | 6 | 7.5 |
min | | 1.4 | 2.15 | 2.35 | 2.8 | 3.4 | 3.7 | 4.3 | 5.6 | 7.1 |
Socket No. | | 0 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 |
M1 | Type H | Ref. | 1.9 | 3 | 3.9 | 4.4 | 4.9 | 6.4 | 6.9 | 9 | 10.1 |
Penetration depth | Type H | min | 0.85 | 1.4 | 1.4 | 1.9 | 2.4 | 2.6 | 3.1 | 4.15 | 5.2 |
max | 1.2 | 1.8 | 1.9 | 2.4 | 2.9 | 3.1 | 3.6 | 4.7 | 5.8 |
M2 | Type Z | Ref. | 2 | 3 | 4 | 4.4 | 4.8 | 6.2 | 6.8 | 8.9 | 10.1 |
Penetration depth | Type Z | min | 0.95 | 1.45 | 1.5 | 1.95 | 2.3 | 2.55 | 3.05 | 4.05 | 5.25 |
max | 1.2 | 1.75 | 1.9 | 2.35 | 2.75 | 3 | 3.5 | 4.5 | 5.7 |
y | Ref. | Type C | 2 | 2.6 | 3.2 | 3.7 | 4.3 | 5 | 6 | 7.5 | 8 |
Ref. | Type F | 1.6 | 2.1 | 2.5 | 2.8 | 3.2 | 3.6 | 3.6 | 4.2 | 4.2 |
Weight of per 1000 steel products(≈kg) | | | | | - | - | - | - | - | - | - | - | - |
Features
- The cross recessed pan head tapping screw features a head diameter slightly larger than its shank, enabling the head to cover the hole opening upon installation, resulting in a smooth and aesthetically pleasing overall appearance.
- The design of the cross recess allows the screw to be installed and removed quickly and easily with a Phillips screwdriver.
- As a type of self-tapping screw, it eliminates the need for pre-drilling or tapping during installation, as it is capable of cutting its own threads into materials such as metal or plastic.
- Crafted from stainless steel or carbon steel, cross recessed pan head tapping screws exhibit excellent corrosion resistance and high strength, making them reliable and durable.
Advantages
- The Cross Recessed Pan Head Tapping Screw boasts easy installation in a wide range of materials thanks to its self-tapping capability, eliminating the need for additional pre-treatment steps. Its convenience lies in the ability to be swiftly and seamlessly integrated into various surfaces.
- The cross recess design facilitates both installation and removal, making the process streamlined and efficient, ultimately leading to reduced working hours and cost savings.
- To maintain an aesthetically pleasing overall appearance, the flat head design is employed, ensuring a smooth surface without any protruding parts upon installation.
- Versatility: The standardized design of these screws allows them to be used with various common screwdrivers and tools, increasing their versatility and applicability.
Application Scenarios
- Furniture Manufacturing: In furniture manufacturing, Cross Recessed Pan Head Tapping Screws are often used to connect and fix various components, such as drawers and door panels.
- Electronic Devices: They are also commonly used in electronic device assembly to secure circuit boards, housings, and other components, ensuring stability and reliability.
- Automotive Repairs: In automotive repairs and modifications, Cross Recessed Pan Head Tapping Screws play an important role in fixing various metal and plastic parts.
- Construction Industry: In the construction industry, these screws are also used in applications requiring fixing and connections, such as window and door installation, and curtain wall fixing.