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Products > Metal Fasteners > Bolt > Stainless Steel Hexagon Socket Head Bolt
Product name : Stainless Steel Hexagon Socket Head Bolt
Item : MTBLTHCSST
material : Carbon Steel
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  Details:
Standard: DIN912, ISO4762, GB/T70-2000, DIN7984
Material: SUS301,304,18/8,0Cr18Ni9,X5CrNi1810,X10Cr13,410S21,if you need to use other stainless steel, please let us know.
Heat Treatment: None for normal, If you have special hardness requirement, please let us know.
Surface Hardness:220HV is Normal, 750HV max after Quench with SUS410
Finish:None.
Head:Hexagon Socket
Tensile strength:700N/mm2
Thread Direction:Normal is right hand/dextrorotation, if you want left hand, please let us know.
Refer to document as below:
                 
Stainless Steel Hexagon Socket Head Bolt.pdf

 
 Stainless Steel Hexagon Socket Head Bolt is a hex socket bolt, also known as the socket head cap bolt, is a headed and externally threaded part designed for insertion through a close tolerance internally tapped hole and mated with a nut. Tension on the hex socket bolt is induced by rotation of the bolt head. There is a hex socket in the head that accepts a hex wrench to tighten the socket head cap bolt. The point at the threaded end of the socket head cap bolt is machined flat so it will fit into a drilled hole.
 
"Stainless Steel" - With the addition of 12% chromium to iron, stainless steel is formed. The chromium protects the iron against most corrosion or red colored rust; thus the term "stainless steel". The ability of stainless to form a thin layer of protection on its outside surface, called a "passive film", is its most important characteristic in preventing corrosion.
 
"18-8" - 300 series stainless steel having approximately (not exactly) 18% chromium and 8% nickel. The term "18-8" is used interchangeably to characterize fasteners made of 302,302HQ,303,304,384, XM7, and other variables of these grades with close chemical compositions. There is little overall difference in corrosion resistance among the 18-8 types, but slight differences in chemical composition do make certain grades more resistant than others against particular chemicals or atmospheres.
 
Austentic - Refers to 300 series stainless, the most popular of the stainless alloys accounting for 85%-90% of stainless fasteners sold Named for sir Robert Williams Austen, an English metallurgist, austentic stainless is a crystal structure formed by heating steel, chromium, and nickel to a high temperature where it forms the characteristics of 300 series stainless steel.
 
 You can refer to below chart/list of Screw head/Thread ending
 
Thread ending:

And below is the common drawing for this kind:

Below chart show some typical dimensions of them, you can refer it, or can you change it for your own design, if you want know more standard dimensions of screw , you can contact us.

Item

Standard

d1(mm)

L(mm)

d2(mm)

K(mm)

S(mm)

t min(mm)

M3X6

ISO4762

M3

6

5.5

3

2.5

1.3

M3X8

ISO4762

M3

8

5.5

3

2.5

1.3

M3X10

ISO4762

M3

10

5.5

3

2.5

1.3

M3X12

ISO4762

M3

12

5.5

3

2.5

1.3

M3X16

ISO4762

M3

16

5.5

3

2.5

1.3

M3X20

ISO4762

M3

20

5.5

3

2.5

1.3

M3X25

ISO4762

M3

25

5.5

3

2.5

1.3

M3X30

ISO4762

M3

30

5.5

3

2.5

1.3

M4X6

ISO4762

M4

6

7

4

3

2

M4X8

ISO4762

M4

8

7

4

3

2

M4X10

ISO4762

M4

10

7

4

3

2

M4X12

ISO4762

M4

12

7

4

3

2

M4X14

ISO4762

M4

14

7

4

3

2

M4X16

ISO4762

M4

16

7

4

3

2

M4X18

ISO4762

M4

18

7

4

3

2


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