Eye Bolts

Lifting Eye Bolts

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Standard / drawing type Nominal size d

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Equivalent standards

Standard	Standard body


Material		Grade 20 or 25 steel
Material		Standard	GB/T 699
Heat treatment		Eyebolts shall be forged in one piece. Forgings shall be normalized and descaled. The grain-size number of the finished product shall be at least 5 (YB 27-77 ). Forgings shall be free of overheating damage and cracks.
Thread	Tolerances	8g
Thread	Standard	GB/T 196, GB/T 197
Tolerances	Class	Perpendicularity of the thread axis to the bearing surface shall comply with Clause 11.2 of GB 3103.1 for product grade A.
Mechanical properties	Hardness	Eyebolts shall be hardness-tested and shall have a hardness of 67–95 HRB.
Surface treatment		Eyebolts are generally supplied without surface treatment. When required for the application, zinc plating with passivation, chromium plating or another surface treatment may be applied in accordance with GB 5267-85. Carry out hydrogen relief immediately after electrogalvanizing.
Surface discontinuities		Eyebolts shall be free of surface discontinuities that impair their use.


Material		20, 25
Material		Standard	GB/T 699
Heat treatment		The component shall be forged in one piece. Forgings shall be normalized and descaled. The grain-size number of the finished product shall be at least 5 (YB 27-77). Forgings shall be free of overheating damage and cracks.
Thread	Tolerances	8g
Thread	Standard	GB/T 196, GB/T 197
Tolerances	Class	Perpendicularity of the thread axis to the bearing surface shall comply with Clause 11.2 of GB 3103.1 for product grade A.
Mechanical properties	Hardness	Eyebolts shall be hardness-tested and shall have a hardness of 67–95 HRB.
Surface treatment		Eyebolts are generally supplied without surface treatment. When required for the application, zinc plating with passivation, chromium plating or another surface treatment may be applied in accordance with GB 5267-85. Carry out hydrogen relief immediately after electrogalvanizing.
Surface discontinuities		Eyebolts shall be free of surface discontinuities that impair their use.

An eye bolt with a threaded shank. Confirm the intended application and project requirements before specifying any lifting capacity.

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