Customized GB5789 Series Hex Head Self Drilling Screw Roofing Screw with Washer

• Customization: Available
• Material: Stainless Steel
• Type: Hexagon Head
• Model NO.: GB5789
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN
• Grade: A2-70 A4-70
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Polishing
• Size: M2-M72
• Samples: Free Samples When Is in Stock
• Drawing: Accept
• Quality: 100% After Inspection
• Thread: Unc,Unf
• Transport Package: Plastic Bags and Cartons
• Specification: 280*250*180
• Trademark: Tengri
• Origin: China
• HS Code: 7318160000
• Production Capacity: 3000000 Pieces/ Month
• Package Size: 20.00cm * 30.00cm * 35.00cm
• Package Gross Weight: 0.010kg

Product Description

Full thread A2-70 DIN6921 hexagon flange head bolt for Machine

Standard	DIN6921
Diameter	M3-M30
sample service	Free sample but freight cost is paid by customers(when sample is in stock) sample fee(when samples need to be customized)
Material	SS304,SS316,SS2205,SS2507
MOQ	1000
Surface treatment	Plain, black oxide
Package	Plastic bag, Boxes and cartons, Pallets, Customized
Price terms	EXW, FOB, CIF, etc.
Payment terms	T/T, Paypal, L/C, Western union, etc.
Certifications	ISO 9001
Note	Free Samples could be provided for standard fastener

We need more detail as follow. This will allow us to give you an accurate quotation. 
Before offer the price,get the quote simply by completing and submitting the form below:
• Product: _______            
• Measure: _______( Diameter) x_______(Length)
• Order Quantity: _________________pcs
• Surface treatment: _________________
• Material: _________________
• When do you need it by? __________________
• Where to Shipping: _______________ (Country with postal code please) 
• Email your drawing ( jpeg, png or pdf, word) with minimum 300 dpi resolution for good clarity.

Products Details

1.Drawing


2.Size

Screw Thread d			M5	M6	M8	M10	M12	M14	M16	M20
P	Pitch	Coarse thread	0.8	1	1.25	1.5	1.75	2	2	2.5
		Fine thread-1	/	/	1	1.25	1.5	1.5	1.5	1.5
		Fine thread-2	/	/	/	1	1.25	/	/	/
b	L≤125		16	18	22	26	30	34	38	46
	125		/	/	28	32	36	40	44	52
	L>200		/	/	/	/	/	/	57	65
c	min		1	1.1	1.2	1.5	1.8	2.1	2.4	3
da	Form A	max	5.7	6.8	9.2	11.2	13.7	15.7	17.7	22.4
	Form B	max	6.2	7.4	10	12.6	15.2	17.7	20.7	25.7
dc	max		11.8	14.2	18	22.3	26.6	30.5	35	43
ds	max		5	6	8	10	12	14	16	20
	min		4.82	5.82	7.78	9.78	11.73	13.73	15.73	19.67
du	max		5.5	6.6	9	11	13.5	15.5	17.5	22
dw	min		9.8	12.2	15.8	19.6	23.8	27.6	31.9	39.9
e	min		8.71	10.95	14.26	16.5	17.62	19.86	23.15	29.87
f	max		1.4	2	2	2	3	3	3	4
k	max		5.4	6.6	8.1	9.2	11.5	12.8	14.4	17.1
k1	min		2	2.5	3.2	3.6	4.6	5.1	5.8	6.8
r1	min		0.25	0.4	0.4	0.4	0.6	0.6	0.6	0.8
r2	max		0.3	0.4	0.5	0.6	0.7	0.9	1	1.2
r3	min		0.1	0.1	0.15	0.2	0.25	0.3	0.35	0.4
r4	≈		3	3.4	4.3	4.3	6.4	6.4	6.4	8.5
s	max=nominal size		8	10	13	15	16	18	21	27
	min		7.78	9.78	12.73	14.73	15.73	17.73	20.67	26.67

3.Product show


Company Profile

Tengri fasteners Group is an OEM Fasteners Manufacturing, Plating/ Finishing and Industrial Production Company. Over 30 years of manufacturing stainless steel fasteners, industry experience and construction of state-of-art facility. We can offer the most common stainless steel fasteners or specially designed fasteners to exceed our customer's expectations, as our vendors are the best name brands in the industry.

Tengri fasteners group employs more than 3000 employees and consists of one lab and software center, 3 wholly owned subsidiary of Factory and 5 warehouse stocking locations. Our extensive products line and our fast and friendly sales representatives are able to satisfy our customer demands.

As a veritable "one- stop shop", Tengri Fasteners offers same day delivery of in-stock items and a wide a wide variety of supply chair solutions tailored to the needs of our customers. Our custom inventory control programs provide extensive cost saving to our customers.


Factory Images
 
   


Company Certifications


Customers



Our Service

a)  Good after-sale service, all questions will be replied within 12 hours.

b)  Customized design is available. ODM&OEM are welcomed.

c)  We can provide free sample, consumer should pay the freight first.

d)  Convenient transportation and fast delivery, all available shipping ways could be     applied, by express, air or sea. 

e)  High quality and most competitive price.

f)  Advanced produce and inspecting equipments.

Packaging & Transportation

FAQ

1.Can I order a small list ?

---Of course, you can.

2.What quote do you offer?
---FOB , CIF and others ways according the your needs.
 
3.How transport?
---Sea Freight, Air Freight and others Express Delivery ways for you.
 
4.What is the quality of your products guarantee?
---We have passed ISO9001:2015 Quality Management System Certification, CQM Quality Management System Certification and IQNet Quality Management System Certification, If the quality doesn't  accord the standard, you can exchange the goods for free.
 
5.Do you have after-sales service?
---Certainly,you can contact us at any time.