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Ningbo S&D Metalwork Co., Ltd.

High Strength Bolt A490m, Hex Bolt A490m, Hex Bolt ASTM A490m manufacturer / supplier in China, offering A490m 10s High Tensile Bolt, Highway Guard Rail Bolt A307 Gr. a Hot Dipped Galvanized, Drum Accessories Tesion Rods, Square Head Bolt, Grade2, Chrome and so on.

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A490m 10s High Tensile Bolt

FOB Price: US $0.15 / Piece
Min. Order: 5,000 Pieces
Min. Order FOB Price
5,000 Pieces US $0.15/ Piece
Get Latest Price
Production Capacity: 1000ton/Month
Transport Package: 25kg/Carton 900kg/Pallet
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: A490M
  • Type: Hexagon Head
  • Head Style: Hexagonal
  • Grade: 10.9
  • Finish: Black
  • Surface Treatment: Black,Zinc Plated,H.D.G,Dacromet,Zinc Yellow
  • Sample: Free
  • Customer Design: Accept
  • Trademark: SD
  • Origin: Ningbo, China
  • Material: High Strength Steel
  • Connection: Common Bolt
  • Standard: ANSI
  • Application: Building
  • Raw Material: Carbon Steel
  • Heat Treatment: Yes
  • Port: Ningbo
  • Torque Coefficient: 0.110~0.150
  • Specification: A490M
  • HS Code: 7318159090
Product Description
A490M 10S High Tensile Bolt

Product Name


Process Method

Cold forming / cold forging & hot forging


Diameter M12-M52 (1/2"-2" ), length 40mm-500mm (1-1/4"-20" )

Bolt type

ASTM A325M/490M, F1852, F2280,DIN931/930/961/960/6914, JIS, ISO


ASTM A325M/490M, F1852, F2280,DIN931/DIN933/930/961/960/6914


Black, Phosphating and Saponification, HDG, hot dip galvanized, dacromet,ect.


4.8, 8.8S,10.9S,12.9S

Size Tolerance 

+/- 2.5%~-2.5%

WT Tolerance

+/- 2.5%~2.5%

Tensile Strength

830~1030 MPa/1040~1240 MPa

Material of A490M

1.Stainless Steel: SUS201,SUS302,SUS303, SUS304, SUS316, SUS410, SUS430


3.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40)

4.Bronze: C51000, C52100, C54400, etc

5.Aluminum: Al6061, Al6063 etcAluminum Alloy: Al6061, Al6063 etc

6.Titanium and Titanium Alloy: TAD,TA1-TA8,TB2,TC1-TC10

7.Alloy steel: SCM435,C10B21,C10B33


9.Standard:GB, DIN, ISO, ANSI, ASME, JIS,BSW       

Our Service

1.Offer professional items to meet customer's demand 

2.Best service and honesty to treat the clients is our first policy.

3.High quality and strict quality control to our products .

4.Factory directly sale with favorable price.

5. Great variety of products and good after-sales service.

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