Hexagon Head Bolts

Hexagon Fit Shank Bolts with Split Pin Hole

GB/T 28-2013 (reference only)

Nominal size d

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GB/T 28-2013 dimension drawing

Dimensions in mm

Specification parameters

Equivalent standards

Standard	Standard body

Technical conditions and referenced standards

		Steel
General technical requirements		GB/T 16938
Thread	Tolerances	6g
Thread	Standard	GB/T 196, GB/T 197
Mechanical properties	Class	d ≤ 39 mm: property class 8.8; d > 39 mm: by agreement
Mechanical properties	Standard	GB/T 3098.1
Tolerances	Product grade	Product grade A applies where d ≤ 24 mm and l does not exceed the lesser of 10d and 150 mm. Product grade B applies where d > 24 mm or l exceeds the lesser of 10d and 150 mm.
Tolerances	Standard	GB/T 3103.1
Split pin hole		GB/T 5278
Surface treatment		Oxide coating; Any other surface treatment shall be agreed between the purchaser and supplier.
Surface discontinuities		GB/T 5779.1
Acceptance inspection and packaging		GB/T 90.1, GB/T 90.2

Product overview

A fitted shank with a hole for a split pin. Confirm the hole diameter and position, grip length and mating hardware. If hot forging is required, state it with the material and size in your enquiry so the production method can be confirmed.

For a quote, share the required dimensions, finish and quantity.