Pancake heads are round, low profile heads. Allen (hex socket) drive is a six-sided recess for use with an allen wrench ro driver bit.Â
Stainless steel pancake head self-dirilling screws are made from Grade 410, and SS410 can be much harder than standard 18-8 after being hardened but slightly less corrosion resistant. The hardness of stainless 410 Screws make them easier to install into various materials (including metal), because the screw is harder than the surface material. They have a drilling tek point, which elimates pre-drilling hole and  saves you time and effort by drilling their own holes and fastening in a single operation.
There are also pancake screws with square drive or the combination of square and philips, or type 17 auger point.
Specification
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Type | Self Drilling Screw /Â Tek Screw |
Grade | SUS304, 316(marine grade), 410(hardend), 18-8 |
Finish | Plain or Passivated |
Head Type | Pancake Head |
Drive Type | Allen /Â Hex Socket |
Thread Type | C(For machine screw) |
Point Type | #2, #3, #4, #5, #6, #7 Tek Point |
Diameter | #10 ~Â 1/4", 4.8 ~Â 6.3mm |
Length | 1" ~Â 10", 25 ~Â 250mm |
Standard | Customized |
Stock | Unavailable |
Contact
If you're insterested in our stainless steel hex socket pancake head self drilling tek screw, please do not hesitate to send us email or call us at +8615867456779(Mobile) directly.
For stock, we suggest you double check from us before placing order, thank you!

 304/316/410 Stainless Steel Hex Socket Pancake Head Self-drilling Screw
Pancake heads are round, low profile heads. Allen (hex socket) drive is a six-sided recess for use with an allen wrench ro driver bit.Â
Stainless steel pancake head self-dirilling screws are made from Grade 410, and SS410 can be much harder than standard 18-8 after being hardened but slightly less corrosion resistant. The hardness of stainless 410 Screws make them easier to install into various materials (including metal), because the screw is harder than the surface material. They have a drilling tek point, which elimates pre-drilling hole and  saves you time and effort by drilling their own holes and fastening in a single operation.
There are also pancake screws with square drive or the combination of square and philips, or type 17 auger point.
Specification
Â
Type | Self Drilling Screw /Â Tek Screw |
Grade | SUS304, 316(marine grade), 410(hardend), 18-8 |
Finish | Plain or Passivated |
Head Type | Pancake Head |
Drive Type | Allen /Â Hex Socket |
Thread Type | C(For machine screw) |
Point Type | #2, #3, #4, #5, #6, #7 Tek Point |
Diameter | #10 ~Â 1/4", 4.8 ~Â 6.3mm |
Length | 1" ~Â 10", 25 ~Â 250mm |
Standard | Customized |
Stock | Unavailable |
Contact
If you're insterested in our stainless steel hex socket pancake head self drilling tek screw, please do not hesitate to send us email or call us at +8615867456779(Mobile) directly.
For stock, we suggest you double check from us before placing order, thank you!

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Some of electric parts for Tower Crane:
1. Electric motor: Tower cranes use electric motors to power the lifting and rotation mechanisms. These motors convert electrical energy into mechanical energy to move the crane's various components.
2. Control system: Tower cranes require a sophisticated control system to manage the movement and operation of the crane. This includes controls for lifting, lowering, slewing, and trolleying.
3. Limit switches: Limit switches are used to set the maximum and minimum positions of the crane's various components. They help ensure safe and accurate operation by preventing the crane from exceeding its designated limits.
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