Fastener Standards
Browse our products by international standards. Each standard page includes full technical specifications, available sizes, and materials.
GB / GB/T
Chinese National Standard
GB/T 5782
Hex Head Bolt
Standard hex head bolt with partial thread. Equivalent to ISO 4014 / DIN 931.
GB/T 5783
Full Thread Hex Bolt
Full thread hex head bolt. Equivalent to ISO 4017 / DIN 933.
GB/T 1231
Structural Bolt Assembly
High strength structural bolt assembly (bolt + nut + washers) for preloaded steel structure connections.
GB/T 32076.7
High Strength Hex Bolt
High strength hex bolt for preloaded bolt assemblies in steel structures. Grade 10.9, material 42CrMo/35CrMo.
GB/T 6170
Hex Nut
Standard hex nut. Equivalent to ISO 4032.
DIN
Deutsches Institut für Normung
DIN 931
Hex Head Bolt (Partial Thread)
Partial thread hex head bolt. Superseded by ISO 4014 but still widely referenced.
DIN 933
Hex Head Bolt (Full Thread)
Full thread hex head bolt. Superseded by ISO 4017 but still widely referenced.
DIN 976
Threaded Rod
Full-thread steel rod in various lengths.
DIN 125
Flat Washer
Standard flat washer for load distribution.
ISO
International Organization for Standardization
ISO 10642:2026
Hex Socket Countersunk Head Screw
Hexagon socket countersunk head screws with reduced loadability.
ISO 4014
Hex Head Bolt (Partial Thread)
International standard for partial thread hex head bolts.
ISO 4017
Hex Head Bolt (Full Thread)
International standard for full thread hex head bolts.
ISO 4032
Hex Nut
International standard for hex nuts.