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Bolt Hex

Hex bolt is a type of threaded fastener with a six-sided, hexagonal head. The square head provides a larger gripping surface for wrenches or spanners. It has a shoulder beneath the head. It can be fully or partially threaded depending on the required strength and application and comes in different sizes and materials to suit specific needs.
- Hex bolts supplied complete with one nut unless otherwise specified.
- Washers (round and spring ) can be supplied if specified at additional cost.
- All ferrous parts hot dip galvanized to BS 729.
- Hex bolts and nuts confirm to requirement of BS 4190.
Nom | Diameter | Width a/f | Width a/c | Height ( T ) | Pitch |
M08 | 7.42-8.58 | 12.57-13.00 | 14.20-15.00 | 5.12-5.87 | 1.25 |
M10 | 9.42-10.58 | 16.57-17.00 | 18.72-19.60 | 6.55-7.45 | 1.50 |
M12 | 11.30-12.70 | 18.48-19.00 | 20.88-21.90 | 7.55-8.45 | 1.75 |
M16 | 15.30-16.70 | 23.16-24.00 | 26.17-27.70 | 9.55-10.45 | 2.00 |
M20 | 19.16-20.84 | 29.16-30.00 | 32.95-34.60 | 12.10-13.90 | 2.50 |
M22 | 21.16-22.84 | 31.00-32.00 | 35.03-36.90 | 13.10-14.90 | 2.50 |
M24 | 23.16-24.84 | 35.00-36.00 | 39.55-41.60 | 14.10-15.90 | 3.00 |

Why Choose Damiano?
Legacy of Excellence
Tracing its origins to 1922, Damiano brings over a century of experience and expertise.
Diverse Manufacturing Capabilities
In-house facilities for fabrication, forging, machining, wire forming, molding, die casting, galvanizing, and electroplating ensure comprehensive quality control.
Global Presence
Exporting since 1972, Damiano has built a strong global footprint while maintaining a niche presence in the domestic market
Commitment to Quality and Ethics
A strong foundation built on hard work, commitment, and integrity ensures our dedication to producing reliable and high-quality products.
Customized Solutions
Capability to cater to unique customer requirements with a focus on precision and reliability.
Strong Industry Roots
Evolved from the CTC Group, a dominant player in India's jute industry, showcasing adaptability and growth.
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