Metal Galvanized Hexagonal Hex Head stainless steel self drilling screw roofing screw tek tapping screw With Rubber Washer

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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.

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.

Advantages:

◈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

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Our Company

Shandong Jute Steel Pipe company established in 2001,now,We are equipped with advanced production equipment,such as hot rolling production line,punching lines,fine rolling production lines and cold drawing production lines.Our company specializes in the production of various seamless steel pipes. Our products include common seamless steel pipes,fine pull pipes,fine rolled pipes,alloy steel pipes,special pipes,sheet steel,Steel pipe deep processing,etc. Our company invites a group of excellent technical experts and management personnel in domestic steel pipe industry to improve the technical levels of our products.