Stainless Steel DIN7991 Hex Socket Countersunk Head Cap Screw

• Customization: Available
• Material: Stainless Steel
• Type: Hexagon Head
• Model NO.: M12X40
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, ISO
• Grade: A4-70
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Passivation
• Price for The Size: M12X40
• Transport Package: CTN, Then in Pallet
• Specification: M12X40
• Trademark: HT
• Origin: Jiangsu, China
• HS Code: 7318151090
• Production Capacity: 100ton/Month

Product Description

What is DIN 7991?

DIN 7991 countersunk socket screw features
Hexagon socket: facilitates tightening and untightening with an Allen key. Metric thread: available in metric ISO thread from M3 to M24 to suit different applications.
It has steel one with grade of 8.8 and 10.9. Stainless one has grade A2-70 and A4-70. Duplex 2205 with grade of D6-80 and dupler duplex 2507 with grade of 80,and also, it has grade of 1.4529 with A8-80, and grade 254smo, 904L, 310S, SS321, Monel 400, Inconel 625 , C276 and so on.
 

Our Advantages

 

Trustworthy supplier--We use real material always!
Good price--We sell in competitive price always!
Delivery time--We can complete urgent order in 4 weeks always!
Good Servie--Our professional sales have 16 yeasr rich experience ,who masters in technics,mechanical properties,exporting policy,controling shipping cost!
 

Product Parameters

1.4404 SS316 Hexagon socket countersunk head cap screw

1. Standard: DIN931, DIN933, ISO4014, ISO4017
2. Grade: A4-70 
3. Material: 1.4401/SS316
4. Colour: Bright
5. Package: Bulk in 25 kg carton, then in pallet
6. Delivery time:02 35days
 

SS304 316 DIN7991

Name	Stainless steel Hexagon Socket Countersunk Head Cap Screws
Standard	DIN7991,ISO10642
Size Range	M3-M24 or non-standard as requested
Finish	Bright&Clean
Marking	HT&FST or customization
Material	SS304,A2,1.4301;  SS316,A4,1.4401
Grade	Grade A2-70 & A4-70
Certificates	EN10204-3.1B
Non-standards	OEM is available, according to drawing or samples
Samples	Samples available
Package	Bulk in box and then in cartons, then on pallets,or according to customers' requirement.
Payment	T/T,Western Union, if order more than USD50,000 L/C is accepted

 

Similar Grades of 304 Stainless Steel

Grade	UNS	W.Nr
304	S30400	1.4301

 

Chemical Composition of 304 Stainless Steel

Alloy	%	Ni	Cr	C	Mn	Si	S	N	P
304	Min.	8	18
	Max.	10.5	20	0.08	2.0	1.0	0.03	0.10	0.035

 

Physical properties of 304 stainless steel

Density	7.93 g/cm³
Melting point	1398-1454°C

 

Minimum mechanical properties of 304 stainless steel alloy at room temperature

Tensile strength Rm N/mm²	Yield strength RP0.2 N/mm²	Elongation rate A5%	Brinell hardness HB
520	205	40	≤187

 

Similar Grades of 316 Stainless Steel

Grade	UNS	W.Nr
316	S31600	1.4401

 

Chemical composition of 316 stainless steel round rod

Alloy	%	Ni	Cr	C	Mn	Si	S	N	P
316	Min.	10.0	16.0				2.0
	Max.	14.0	18.0	0.08	2.0	1.0	0.03	3.0	0.045

 

Minimum mechanical properties of 316 stainless steel round bar alloy at room temperature

Density	7.98g/cm³
Melting point	1345-1450°C

 

Minimum mechanical properties of 316 stainless steel round bar alloy at room temperature

Tensile strength Rm N/mm²	Yield strength RP0.2 N/mm²	Elongation rate A5%	Brinell hardness HB
520	205	40	≤187

 

Detailed Photos