Roofing Hex Flange Head Self-drilling Screws

Roofing Hex Flange Head Self-drilling Screws

The standard of screw is DIN, ANSI, GB, JIS, ISO and BSW, also we can product un-standard fastener items as your requirement.

We are specialized in manufacturing all kinds of steel screws, (1006-1010, 1018-1022, 1035-1045, 10B21), stainless steel screws (315, 302, 304, 201) and 12.9 alloy steel screws with high grade stamping raw material to ensure the top quality screws.

Product Description

What are roofing screw, and how do they work?

Roofing Screws Teks Roofing Screws provide secure metal to metal fastening with strong holding power, without the need to pre-drill. The self-sealing neoprene washer provides a waterproof seal. The premium finish provides exceptional corrosion resistance in harsh outdoor environments.

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.

Application

FAQ

Q1: What is your main products and material supply?
A1: Our main products are Electronic screws,Sems screws,Tapping screws,Chicago screws,Shoulder screws etc. Special Non-standard studs,Turning parts and High-end precision complex CNC Machining parts etc.
A2: Carbon Steel, Alloy Steel, Aluminum alloy,Stainless Steel, Brass, Copper ,Titanium alloy or according to your requirement.

Q2: When can I get the price?
A: We usually offer you a quotation within 12 hours, and the special offer is not more than 24 hours.Any urgent cases, please contact us directly by phone or send email to us.

Q3: What about the transportation and delivery date?
A: If the weight of goods more than 80kg,Normally we use shipment to transprot the orders. It is about 20-30days . If the weight of goods less than 80kg,or there are urgent, we can send the goods via air express,It is 3~5 days.

Q4: What's your packing?What to do in case of damaged goods during transport?
A1: Our Normal packing is bulking in Cartons, less than 20 kgs/carton, 48 cartons / pallet. We also can pack products according to your requirement.
A2: To avoid any subsequent trouble regarding quality issue, we suggest you check the goods once you receive them. If there is any transport damaged or quality issue, don't forget take the detail pictures and contact us as soon as possible, we will properly handle it to make sure your loss to reduce to the smallest.

Q5: Can I get discounts?
A: Yes, for big order, frequent customers, we give reasonable discounts.

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