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CARRIAGE BOLT

CARRIAGE BOLT

The carriage bolt is also known as coach bolt and round head square neck bolt. These bolts are used to fasten metal to metal and metal to wood. These are distinguished from other types of bolts because of their shallow mushroom head and the cross-section of the shank. Its square shape just beneath the head makes it self-locking while placed through a square-shaped hole in a metal strap. It allows the carriage bolt to be installed with the help of just one tool that can be a wrench or spanner. Its heap appears like a shallow dome and the shank has no threads. Its diameter is similar to the side of the square cross-section.

Carriage bolts are extensively used in security fixings including locks and hinges where the bolt must be removed only from one side. Its smooth dome-shaped head and square nut below the head avoid the chance of being unlocked from the insecure side. Carriage bolts are used in the engineering, automobile, and construction sectors. SEF manufactures high-quality carriage bolts. We possess a wide range of these bolts with ready stock for supply. We also offer customized carriage bolts to match the particular requirements of our clients.

Standard

BS, ISO, DIN and customized.

Material
AVAILABLE SIZES & THREADS
COATINGS

High tensile, carbon steel, stainless steel, brass and aluminium

M6- M36 in metric coarse thread & fine pitch thread
¼”- 1.1/2” in UNC,UN,UNF threads

PTFE coated

Hot-dip galvanized

Yellow zinc

Blue zinc

Black zinc

Aluminum zinc flake

Most commonly used carriage bolts include rib necked bolts, roundhead bolts, short-necked bolts, flathead bolts, square-necked bolts, and fin necked bolts. These all have different physical properties and different application areas. These can be used with everything such as soft metals, wood, plastics, sheet metal, and think plywood. Class 4.6 steel carriage bolts are used in automotive applications where they can fasten light objects (trim).

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