What Is a Brass Bolt?
Hex head bolts are divided into two types: hex bolts and hex bolts, which are usually used for mechanical equipment fastening.
- Hexagon socket on the market
- Hexagon bolt national standard GB / T5782-86
- The standard specifies hex head bolts with thread specifications of M3 ~ M64, A and B grades. A grade is used for bolts with D <= 24 and L <= 10D or L <= 150mm (smaller value); B grade is used for Bolts with D> 24 or L> 10D or L> 150 (smaller value).
- Outer hexagon bolt size
- Hexagon bolt standard: DIN ANSI BS GB
- Material: stainless steel or carbon steel
- Diameter: 5mm 20mm, 1/4 3/4
- Length: 8mm 200mm, 5/16 8
- Thread :: Metric, coarse, fine, inch
- Mechanical properties: 4.8, 5.8, 6.8, 8.8, 9.8, 10.9, 12.9
- Surface treatment: natural color, galvanized, blackened, nickel plated
- Reference standards. The following standards contain provisions that, through reference in this standard, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest versions of the following standards.
- GB / T 2 -1985 End of fastener external threaded parts (eqv ISO 4753: 1983)
- GB / T 90-1985 Fastener acceptance inspection, marking and packaging (eqv ISO 3269: 1984)
- GB / T 196-1981 basic dimensions of ordinary threads (diameter 1--600m m)
- GB / T 197-1981 Tolerances and fits for common threads (diameter 1-355m m)
- GB / T 1237-2000 Fastener marking method (eqv ISO 8991: 1986)
- GB / T 3098.1-2000 Mechanical properties of fasteners Bolts, screws and studs (idt ISO 898-1: 1999)
- GB / T 3098.6-2000 Mechanical properties of fasteners Stainless steel bolts, screws and studs (idt ISO 3506-1: 1997)
- GB / T 3098.10-1993 Mechanical properties of fasteners Bolts, screws, studs and nuts made of non-ferrous metals (eqv ISO 88 39: 1986)
- GB / T 5267-1985 plating of threaded fasteners
- GB / T 5276-1985 Fastener bolts, screws, studs and nuts size code and labeling (eqvI SO 225: 1983)
- GB / T 5779.1-2000 fasteners, surface defects, general requirements for bolts, screws and studs (idt ISO 6157-1: 1988)
- GB / T 5779.3-2000 Special requirements for fasteners, surface defects, bolts, screws and studs (idt ISO 6157-3: 1988)
- GB / T 5783-2000 Hex head bolt full thread (eqv ISO 4017: 1999)
- GB / T 16938-1997 General technical specifications for fastener bolts, screws, studs and nuts (idt ISO 8992: 1986)
- ISO 10683: 2000 Non-electrolytic zinc powder coatings for fasteners
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