Model NO.: DIN7991 CL.8.8 BLACK OXID Hexagonal Socket Counter
Application: Machinery, Chemical Industry, Environmental, Building
Finish: Yzp&Blk&Zinc Plated&HDG
Process: Cold Forging,Hot Forging,Machining
Trademark: STRONG BOLT
Transport Package: Small Box & Bulk & Customizing
Specification: M3-M60
Origin: Ningbo, China
HS Code: 7318150000
Model NO.: DIN7991 CL.8.8 BLACK OXID Hexagonal Socket Counter
Application: Machinery, Chemical Industry, Environmental, Building
Finish: Yzp&Blk&Zinc Plated&HDG
Process: Cold Forging,Hot Forging,Machining
Trademark: STRONG BOLT
Transport Package: Small Box & Bulk & Customizing
Specification: M3-M60
Origin: Ningbo, China
HS Code: 7318150000

DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
Item DIN912 Hex Socket Head Cap Screw  Gr.12.9 Black
Grade 4.8 & 5.8 & 6.8 & 8.8 & 10.9 & 12.9
Material Carbon Steel ,Alloy Steel,Stainless Steel and Copper
Surface Treatment Black, Zinc Plated(ZP), Yellow Zinc Plated (YZP)and Hot DIP Galvanizing(H. D. G. ), Dacromet, Nickel Plated, Brass Plated.
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
Size M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M42 M48 M56
Pitch 0.5 0.7 0.8 1.0 1.25 1.5 1.75 2.0 2.0 2.5 2.5 2.5 3 3 3.5 3.5 4 4.5 5 6.5
t(min) 1.3 2 2.5 3 4 5 6 7 8 9 10 11 12 13.5 15.5 18 19 24 28 34
s 2.5 3 4 5 6 8 10 12 14 14 17 17 19 19 22 24 27 32 36 41
K(max) 3 4 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 42 48 56
D(max) 5.68 7.22 8.72 10.22 13.27 16.27 18.27 21.33 24.33 27.33 30.33 33.39 36.39 40.39 45.39 50.39 54.46 63.46 72.46 84.54
L(max) 18 20 22 24 28 32 36 40 44 48 52 56 60 66 72 78 84 96 108 124
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
 
• Carton size : The ordinary carton  (27*25*14.5CM) ,  or according to the demand of the customers.
• Packing :  plastic bags,Box, carton , then put on pallets, or according to the demand of the customers.



• We are a typical China supplier with more than 10 years experiences on fasteners.We are professionally exporting under the standards of DIN, JIS, GB, ANSI, and BS, as well as nonstandard fasteners. Now we have gained close cooperation with clients from Canada, Dubai, Europe, India,Chile,Peru and Russia, and won good comments from users. We always fulfilling customers' expectations by following the principle of "Providing services whenever and wherever our customers need it" to establish a steady beneficial relationship and wining customers' hearts. If you need more information, please contact our sales department.
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
Item DIN912 Hex Socket Head Cap Screw  Gr.12.9 Black
Grade 4.8 & 5.8 & 6.8 & 8.8 & 10.9 & 12.9
Material Carbon Steel ,Alloy Steel,Stainless Steel and Copper
Surface Treatment Black, Zinc Plated(ZP), Yellow Zinc Plated (YZP)and Hot DIP Galvanizing(H. D. G. ), Dacromet, Nickel Plated, Brass Plated.
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
Size M3 M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M42 M48 M56
Pitch 0.5 0.7 0.8 1.0 1.25 1.5 1.75 2.0 2.0 2.5 2.5 2.5 3 3 3.5 3.5 4 4.5 5 6.5
t(min) 1.3 2 2.5 3 4 5 6 7 8 9 10 11 12 13.5 15.5 18 19 24 28 34
s 2.5 3 4 5 6 8 10 12 14 14 17 17 19 19 22 24 27 32 36 41
K(max) 3 4 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 42 48 56
D(max) 5.68 7.22 8.72 10.22 13.27 16.27 18.27 21.33 24.33 27.33 30.33 33.39 36.39 40.39 45.39 50.39 54.46 63.46 72.46 84.54
L(max) 18 20 22 24 28 32 36 40 44 48 52 56 60 66 72 78 84 96 108 124
DIN7991 Cl. 8.8 Black Oxid Hexagonal Socket Countersunk Head Cap Screw
 
• Carton size : The ordinary carton  (27*25*14.5CM) ,  or according to the demand of the customers.
• Packing :  plastic bags,Box, carton , then put on pallets, or according to the demand of the customers.



• We are a typical China supplier with more than 10 years experiences on fasteners.We are professionally exporting under the standards of DIN, JIS, GB, ANSI, and BS, as well as nonstandard fasteners. Now we have gained close cooperation with clients from Canada, Dubai, Europe, India,Chile,Peru and Russia, and won good comments from users. We always fulfilling customers' expectations by following the principle of "Providing services whenever and wherever our customers need it" to establish a steady beneficial relationship and wining customers' hearts. If you need more information, please contact our sales department.

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