Hexagon Head Bolts

Hexagon Fit Shank Bolts

GB/T 27-2013 (reference only)

Nominal size d

Request a quote ↗

GB/T 27-2013 dimension drawing

Dimensions in mm

Specification parameters

Equivalent standards

Standard	Standard body

Technical conditions and referenced standards

		Steel
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
Surface treatment		Oxide coating; Any other technical requirements or surface treatments 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 for use in a matching reamed hole. Specify the shank tolerance, grip length and finish. 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.