PRODUCT

"Precision production, strict control" is the manufacturing concept of Yongding fasteners. We have introduced more than 20 sets of testing machines, including: "100 tons and 60-tons tensile machine, impact testing machine, metallographic analysis, flaw detector, hardness tester and torque testing machine, etc".

Hex Head Bolts 558 Hex Head Bolts 558

Hex Head Bolts 558 Hex Head Bolts 558

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  • Hex Head Bolts 558 Hex Head Bolts 558
Product Description

 

ITEM

STANDARD

GRADE SIZE SURFACE FINISHED PICTURE
STUD BOLTS;   DOUBLE END STUD;  STUDDING; DIN939,DIN975, DIN976 ,  IFI 136 ASTM A193 B7, B7M ,L7, L7M ,B7/L7,B16, Grade 8.8, 10.9, 12.9 DIAMETER:5/16"-4"; M8-M100  LENGTH: 16MM-6000MM PLAIN(OILING FINISHED); BLACK; H.D.G.,ZP ; YZP; PTFE

HEX BOLT ;  HEAVY HEX BOLT; HEX CAP SCREW ; 12 POINTS BOLT DIN931, DIN933,DIN6914, ISO4014, ISO4017, ANSIB18.2.1 8.8, 10.9,12.9, ASTM A193 B7,   ASTM A320 B7/L7, ASTM A325(M)  ,  ASTMA490(M), ASTMA449 , DIAMETER:5/16"-4"; M8-M100  LENGTH: 16MM-700MM BLACK,H.D.G. ZP , YZP,PTFE

 

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