What are self drilling screw, and how do they work?
Self-drilling screws, also known as TEK® screws, are available in a wide variety of head styles and finishes to fit the demands of nearly any application. Tengri manufacture and offers more than 20 different head style self-drilling screws, in both steel and stainless steel. Self-drilling screws enable drilling without first creating a pilot hole. These screws are usually used to join materials like sheet metal.◈Teks Drill Point Non walking, cutting edges, pigtail reduction Engages material faster, drills with less effort, safer installation ◈Load bearing area Selectively hardened to retain strength and ductility performance similar to a Grade 5 bolt Resists shear failure due to loading and different expansion coefficients in dissimilar metals ◈Installs faster Drills and taps faster with fewer stalls Reduces installation time and money ◈Climaseal ACR Coating provides long life protection Fewer replacements
Head Type | Hex Head, Flat Head, Pan Head, Round Head, Hex Washer Head | |
Size | ST2.9, ST3.5, ST4.2, ST4.8, ST5.5, ST6.3 (#4 - #14) | |
Length | 10 ~300mm | |
Ponit No. | #3, #3.5, #4, #5 | |
End Points | Drilling, Tek,Type17, Tapping, Spoon, Wing Tek | |
Thread | Thread: full thread, half thread, partical thread, AB, A ,C thread | |
Groove | Philips, pozi, slotted, hex, square, socket, combined | |
Packing | Small Box+carton+pallet Or customized by client request | |
Surface | Polish, Plain, Galvanized (Various of color), Paint, Power Coated, Nickel, Ruspert | |
Material | 1.Stainless steel | SUS201,304,316,410 |
2.Carbon steel | C1018,C1022,C10B21,C10B33,C1035,C1045,40CrMo,42CrMo | |
3. Alloy steel | SCM435,C10B21,C10B33 | |
Standard | DIN7504k | |
Application | Building,Industry,Furniture,Sanitary,Electronics,Traffic. |
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DIN7504K Drilling screw
DIN7504N Drilling screw
DIN7504P. Drilling screw
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Metal roofing screw
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Tek screw for roof
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Roofing self drilling screw for steel