ASTM SAE J78 Hexagon Flange Stainless Steel 304 Self-Drilling Screw for Metal

• Customization: Available
• Drive Type: Hex
• Grade: A2-70 A4-70
• Model NO.: DIN7504K
• Material: Stainless Steel
• Standard: DIN, GB, ANSI, DIN7504K
• Shape of Head: Hexagon
• Certification: ISO, GS, RoHS, CE
• Customized: Customized
• Surface Finishing: Polished
• Drawings: Accept
• Shape: Hexagon Head Drilling Screws with Tapping Screw Th
• Sample: in Stock
• Application: for Wood Constructions
• Delivery Time: 3-10 Working Days
• Experience: for 30 Years
• Surface Treatment: Hot Galvanized, Black, Color-Zinc, Blue White Zinc
• Used: Machinery, Chemical Environ Mental, Build
• Class/Grade: 3.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9
• Shipment: EXW, Fob, CIF, Fca
• Type: Hexagon Head With Flange
• Groove: Hexagon
• Connection: Common Bolt
• Head Style: Hexagonal
• Transport Package: Plastic Bag, Boxes and Cartons, Pallets, Customize
• Specification: ST3.5-ST6.3
• Trademark: Tengri
• Origin: China
• HS Code: 7318290000
• Production Capacity: 2000000pieces/Year
• Package Size: 28.00cm * 27.00cm * 18.00cm
• Package Gross Weight: 18.200kg

Product Description

ASTM SAE J78 Hexagon Flange Self drilling screw for metal DIN7504K 

Standard	SAE J78
Inside Diameter	#6-#14
Material	SS304,SS316,SS2205,SS2507,SS410
MOQ	1000 pieces
Surface treatment	Hot Galvanized,Black,Color-zinc,Blue white zinc
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 9001:2015
Note	Free samples but freight cost is paid by customers(when sample is in stock)   Sample fee (when samples need to be customized)

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: _______(Inside Diameter) x_______(Outside Diameter)x_______(Thickness)
• 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 

Drawing

Technical Requirment:
SAE J78 Type BSD thread ( same to ASME B18.6.4  Self-tapping Thread Type AB)

Size	Width Across Flats	Width Across Cornors	Head Height	Wash Dia.	Washer Thickness	Threads Per Inch	Major Dia.	Minor Dia.	Protrusion Allowance (ref) point#2	Protrusion Allowance (ref) point#3
#6	0.244-0.250	>0.272	0.080-0.093	0.302-0.328	0.015-0.025	20	0.132-0.139	0.099-0.104	0.19	0.22
#8	0.244-0.250	>0.272	0.096-0.110	0.322-0.348	0.019-0.031	18	0.159-0.166	0.116-0.122	0.211	0.251
#10	0.305-0.312	>0.340	0.105-0.120	0.384-0.414	0.019-0.031	16	0.182-0.189	0.135-0.141	0.235	0.3
#12	0.305-0.312	>0.340	0.139-0.155	0.398-0.432	0.022-0.039	14	0.208-0.215	0.157-0.164	0.283	0.353
#14	0.367-0.375	>0.409	0.172-0.190	0.480-0.520	0.030-0.050	14	0.237-0.246	0.185-0.192	0.318	0.393

b.SAE J78 Drill-Drive Test Performance Requirement

Size	Point Style	Recommended Panel Thickness, in.
#6	2	0.080 Max
	3	0.090-0.110
#8	2	0.090 Max
	3	0.100-0.140
#10	2	0.100 Max
	3	0.110-0.175
#12	2	0.140 Max
	3	0.110-0.210
1/4	2	0.175 Max
	3	0.110-0.210

C.Heat treatment:
Surface Hardness 50 - 56 HRC (HV520-610), if gas carbonitriding 48-58 HRC (HV490-670)
Core Hardness 32-40HRC (HV320-400).

Product Description

 

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Installation Instructions

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

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.