Nantong Gympro Sports Co.,Ltd , http://www.masportsgympro.com
Product Description: High Quality Carbon steel Double Ended/B7 Black Stud Bolt
   A threaded rod, also known as a stud, is a relatively long rod that is threaded on both ends; the thread may extend along the complete length of the rod.[1] They are designed to be used in tension.[2] Threaded rod in bar stock form is often called all-thread.
Tech.Standards
Material
Grade
Size
Finish
Thread rod
DIN/ASTM
1008
GB Standard 4.8Grade
ASTM Standard Grade2M2-M120
1/2-5"ZINC,HDG,Black
Hs3404
ASTM193/A193M
GB Standard
40Cr 35CrMo 25CrMoVA
0Cr18Ni9,0Cr17Ni12Mo2 etc
ASTM standard
Alloy and stainless steelGB standard
Grade8.8,10.9,12.9 A2-70,A4-70
ASTM Standard
B5,B7,B7M,B8,B8M,B16 L7,L7M,BC,BD,660A,660B,651A,651BGBstandard
M12-M120
ASTM Standard
1/2-5"Black,zinc plated HDG,Cadmium
Plated, Dacromet,Passivation
Teflon(PTFE,FEP PFA ETFE)
HG/T20634
ASTM320/A320M
HG/T20613
ASTMA354
JB/T4707
ASTMA453
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SH3404
ASTMA194/194M
GB Standard
40Cr,35CrMo,25CrMoVA,0CR18Ni9,45#,0Cr17Ni12Mo2
ASTM Standard
Alloy and stainless steelGB Standard
Grade8,10,A2-70,A4-80
ASTM Standard
660A 660B 651A,651B 2H,2HM,4,6.7,8,16O,A,B,C,D,DHGB or DINstandard
M12-M120
ASTM Standard
1/2-5"Black,zinc plated HDG,Cadmium
Plated, Dacromet,Passivation
Teflon(PTFE,FEP PFA ETFE)
HG/T20613
ASTMA563/563M
HG/T20634
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HG/T21573.3
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 Free Samples for standard fastener