Building Roofing Tek Screws with Rubber Washers

• Material: Carbon Steel
• Type: Hexagon Head
• Groove: Hexagon
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: self drilling screws
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, GB
• Grade: 12.9
• MOQ: 1 Ton
• Samples: Free
• Diameter: 4.2-6.3mm
• Length: 16mm-200mm
• Transport Package: Shipping by Sea
• Specification: 6.3*19mm
• Trademark: boya
• Origin: Tianjin
• Production Capacity: 50000ton/Year
• Package Size: 25.00cm * 17.00cm * 15.00cm
• Package Gross Weight: 25.500kg

Product Description

Building Roofing Tek Screws With Rubber Washers Tornillos Hexagonal Hex Head Self Drilling Screws

Product Description

Self-drilling screw is a screw that can tap its own hole as it is driven into the material. For hard substrates such as metal or hard plastics, the self-drilling ability is often created by cutting a gap in the continuity of the thread on the screw, generating a flute and cutting edge similar to those on a tap. Thus, whereas a regular machine screw cannot tap its own hole in a metal substrate, a self-drilling one can (within reasonable limits of substrate hardness and depth).

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.

 

Detailed Photos

Product Parameters

Size(mm)	Size(mm)	Size(mm)
4.2*13	5.5*32	6.3*25
4.2*16	5.5*38	6.3*32
4.2*19	5.5*41	6.3*38
4.2*25	5.5*50	5.5*50
4.2*32	5.5*63	6.3*50
4.2*38	5.5*75	6.3*63
4.8*13	4.8*13	6.3*75
4.8*16	5.5*90	6.3*80
4.8*19	5.5*100	6.3*90
4.8*25	5.5*115	6.3*100
4.8*32	5.5*125	6.3*115
4.8*38	5.5*135	6.3*125
4.8*45	5.5*150	6.3*135
4.8*50	5.5*165	6.3*150
5.5*19	5.5*185	6.3*165
5.5*25	6.3*19	6.3*185

Packaging & Shipping

 

Company Profile

Tianjin Boya Metal Products Co.,Ltd was began from 2001.Our main products are common nail, jolthead nail, duplex head nail ,concrete nail,U fence staples ,cut masonry nail,roofing nail,clout nail and all kinds of nails,black annealed wire, twisted wire,electrical galvanized wire ,hot dipped galvanized wire wires and wire mesh products used in construction and decoration. We have the advanced wire-drawing, galvanizing and wire mesh weaving equipment. We have 31 sets for producing nails,one production line for black annealed wire ,one line for electricial galvanized and one line for producing the hot dipped galvanised wire .We also supply fence post ,and wire mesh to meet our customer's requirement with lower price and better quality. Our factory covers an area of 20 acres ,15000 square metres. Total employee 70 persons, include excellent sales 8 person. Advanced production equipment and processing technical,the annual production capacity reachs about 50000tons. We have our own wire and nail mills with the independent export and import rights. Our factory located in Binhai,Tianjin, is near to Xingang port and Tianjin airport..The advantages location has ensured punctual delivery time and saved cost. Our products just for exporting, already exported to West Africa, East Africa, Middle East, South America, Southeast Asia etc.So far,we have established the long-term business relationship with Europe clients. And the quality of our products have been appreciated by all clients. We are willing to cooperate with you in near future! Our company principles are fine quality,in-time consignment and reasonable price.We sincerely hope to establish business relationships with friends from around the world and to create a bright future together with your firm.

 

 

FAQ

1. who are we?
We are based in Tianjin, China, start from 2017,sell to South America(29.00%),Mid East(11.00%),North America(10.00%),Eastern Europe(10.00%),Eastern Asia(6.00%),Central America(6.00%),Domestic Market(6.00%),Southeast Asia(5.00%),Western Europe(4.00%),Southern Europe(4.00%),Africa(3.00%),South Asia(3.00%),Northern Europe(2.00%),Oceania(00.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Nail/Screw

4. why should you buy from us not from other suppliers?
With more than 10 years experience in manufacturing and exporting nails, wires, fence post in tianjin city of china, our output is up to 50000tons per year. Our factory is nearest to tianjin port, which ensures delivery time and port cost.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese