Galvanized Alloy Steel UNF Bolts
In-Stock Size 1/2-20UNF 2 inch to 3 inch length

Bolt size from 1/4 up to 1.1/2 inch UNC and UNF
Bolt length from 3/8 up to 6 inch
Standard Specifications ANSI B18.2.1 or DIN933/931/558/601
Material Grade: SAE J429 Gr. 2, 5 and 8
ASTM A307 (Gr. A, B, C), A325
DIN/ISO Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9
Material options: MS, C1010, Q195, C1020, C1035, C1045
Cr40Mo, CR42Mo
All standard and Customized specifications negotiable
Surface can be PL, ZP, BZP, YZP, HGD, nickle
More catalogue and information at hexbolts. Cn

Full threaded or partially threaded hex bolt
1. Standard: DIN933/DIN931/ANSI B18.2.1/A307
2. Metric and Inch Series hex bolts
Size- D: M4 to M48, L: 10 to 1000mm
Inch-D: 3/8" to 2 inch, L: 1/2 to 5 inch
For more standard specifications please check on hexbolts. Cn
3. Material- Carbon Steel, Stainless Steel, Brass
4. Surface- Plain, black, zinc, hot dipper, chrome, brass
5. Brand Factory or OEM

Inch Series hex bolts Specifications as per ASME B18.2.1 standard
SAE grade 2, 5, 8, ASTM A307 Grade A, B, A325 high strength hex bolt


Transhow Fasteners and our alliances produce and export both metric and inch specifications.
Standard Supplies: DIN933 ISO4017, DIN558, DIN931 DIN4014, DIN601, DIN960, DIN961, ISO 4018,
ISO 8676, ISO 8765, UNI 5737, UNI 5739, JIS B1180, EN3006, EN3007, EN3008, EN 24015, EN 24017,
ANSI B18.2.1, ANSI B18.2.3.5M, ASTM A307, A563, F594, IFI 513, IFI 541, BS1769, BS4190, BS4395
We offer low carbon steel, middle carbon steel, alloy steel, stainless steel and brass, aluminium hex bolts.
To meet various requirements for corrosion resistant or strength, we can offer hex bolts with further treatment such as heating, black oxide, zinc coating, hot dipper galvanizing, black zinc coating, brass coating, nickle and chrome plating, dacomate, etc. Pls indicate this requirements with your inquiry.


Transhow Fasteners, manufacture various bolts, hex bolts, round head bolts, square head bolts,
T head bolts, dog head bolts and other customized bolts, special use bolts.
Metric standard bolts as DIN, EN, ISO, GB, JIS, AS, UNI, etc.
Inch standard bolts as ASME/ANSI, ASTM/SAE/IFI, BS, etc.
Material used for producing the bolt could be carbon steel, alloy steel, stainless steel and brass.
Headed bolts for size below M24 (or 1 inch) generally Cold forged and bigger sizes will be hot forged.
For various corrosion resistant and strength purpose, our bolts could be further treated such as heating, black oxide, zinc coating, hot dipper galvanizing, black zinc coating, brass coating, nickle and chrome plating, dacomate, etc. Interested buyers please contact us now!