Hex Head Bolts (incl. Hex Flange)

Hex head bolts: fully threaded (GB/T 5783-2025), partially threaded (GB/T 5782-2025), fine thread (GB/T 5785-2025/5786) and hex flange (GB/T 5789-1986). Filter by head form, threading, standard, grade, material and finish.

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Diameter
Length
Material

Hex head bolts: fully threaded (GB/T 5783-2025), partially threaded (GB/T 5782-2025), fine thread (GB/T 5785-2025/5786) and hex flange (GB/T 5789-1986). Filter by head form, threading, standard, grade, material and finish.

SKU Matrix

0 SKUs
SKUSize (Dia × Len)Material / FinishThreadingPitchUnit Wt (g)Action

Key Parameters

Standard Basis

GB/T 5782-2025 / GB/T 5783-2025 / GB/T 5785-2025 / GB/T 5786-2016 / GB/T 5789-1986

Common equivalents are listed below; confirm dimensions and drawing details before substitution.

Spec Range

M3–M56 · 0 sizes / 0 SKUs

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Grades

—

Confirm grade together with mating nuts, washers and certificate requirements.

What to include

Quoted by full spec

Send diameter, length, property class, material and finish with your inquiry. A standard number alone (DIN/ISO/GB) also works, we confirm the equivalent dimensions before quoting.

Standard Equivalents

Cross-referenced equivalents, order to the primary standard

StandardFitRemark
GB GB/T 5783-2025Identical familyChinese hex head bolt standard family
DIN DIN 933Commercial equivalentCommon commercial equivalent; confirm thread/detail on order
ISO ISO 4017Commercial equivalentCommon commercial equivalent; confirm thread/detail on order
ГОСТ ГОСТ Р ИСО 4017-2013Commercial equivalentRF national standard adopting ISO 4017 (full thread hex bolt)
EN EN 15048Commercial equivalentEN 15048 covers non-preloaded structural bolting ASSEMBLIES (bolt + nut + washer set), not single bolts. This site supplies the bolt component to GB/T 5783 (size basis ISO 4014 / ISO 4017); set requirements are confirmed per drawing.
GB GB/T 5782-2025Identical familyChinese partially threaded hex bolt standard family
ISO ISO 4014Commercial equivalentCommon commercial equivalent; confirm thread length on order
DIN DIN 931Commercial equivalentCommon commercial equivalent; confirm thread length on order
ГОСТ ГОСТ Р ИСО 4014-2013Commercial equivalentRF national standard adopting ISO 4014 (partially threaded hex bolt)
GB GB/T 5789-1986Identical familyChinese hex flange bolt standard family
ISO ISO 4162Related standardISO 4162 is the small series (smaller dc and s, e.g. M12 dc 24.7 / s 15); different dimensional system, not interchangeable
DIN DIN 6921Related standarddc identical size by size; s and k differ from M12 up (M12 s 18 vs 16, M14 21 vs 18, M16 24 vs 21); not interchangeable

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