Double-End Studs

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Standard / drawing type Nominal size d

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Equivalent standards

Standard	Standard body

		Steel	Stainless steel
General-purpose metric thread	Tolerances	6g
General-purpose metric thread	Standard	GB/T 196, GB/T 197
Mechanical properties	Class	Property classes 4.8, 5.8, 6.8, 8.8, 10.9 and 12.9	A2-50, A2-70
Mechanical properties	Standard	GB/T 3098.1	GB/T 3098.6
Tolerances	Product grade	B
Tolerances	Standard	GB/T 3103.1
Surface treatment		① No treatment; ② Zinc plating and passivation in accordance with GB/T 5267	No treatment
Surface discontinuities		GB/T 5779.1, GB/T 5779.3
Acceptance inspection and packaging		GB/T 90
		Depending on the application, the following may be used: 40B, 30Cr, 40Cr, 30CrMnSi, 40MnA

		Steel	Stainless steel
General-purpose metric thread	Tolerances	6g
General-purpose metric thread	Standard	GB/T 196, GB/T 197
Mechanical properties	Class	Property classes 4.8, 5.8, 6.8, 8.8, 10.9 and 12.9	A2-50, A2-70
Mechanical properties	Standard	GB/T 3098.1	GB/T 3098.6
Tolerances	Product grade	B
Tolerances	Standard	GB/T 3103.1
Surface treatment		① No treatment; ② Zinc plating and passivation in accordance with GB/T 5267	No treatment
Surface discontinuities		GB/T 5779.1, GB/T 5779.3
Acceptance inspection and packaging		GB/T 90
		Depending on the application, the following may be used: 40B, 30Cr, 40Cr, 30CrMnSi, 40MnA

Double-end studs have threaded sections at both ends, separated by a plain shank. Confirm the thread length at each end and the required engagement.

Provide the overall length, diameter, pitch, threaded lengths, material or property class, finish and quantity.