Transmission Industry


We are the leading fastener and component suppliers to Transmission industry. we have wide range of products as per requirements. We provide different type of fasteners & components for different types of Transmission industries like electric power transmission, mechanical power transmission, telecommunication, windmills etc.

What are Transmission industry fasteners?

In the Transmission industry Fasteners are known as Transmission bolts. Our Transmission bolts are currently being used in major automobile and telecommunication projects around the world. We produce in various grades, sizes, and load capacities depending on their specific use. Our comprehensive and affordable range of Hex Bolt, Nuts 4.6, 5.6, 5.8, 6.8, 8.8, & 10.9 are used for fastening objects to ensure a secure bond.

We use various finishes and colors according to the specification and needs of the customer. We provide a Self-finish or natural finish. Our Zinc plated, yellow finished, blue finished and black finished bolts are majorly used for general purposes and mostly indoors. Also, Our Hot Dip Galvanized (HDG) Transmission Bolts offer higher corrosion resistance and are much more suitable for the outdoors.

Custom Bolts & Fasteners for the Transmission Industry

Transmission industry needs fasteners it can rely on during electric Tower construction, Transpiration of heavy parts and under other conditions that demand high-quality. Fasteners we provide mostly like Hex bolts, foundation bolts, Anchor bolts & nuts.

  • We are your one-stop source for non-standard fasteners cut to length and threaded to your exact application specifications. Our extensive inventory includes blanks in many grades of steel. We carry Hex Bolts up to 4" / M100 in diameter and 48" long, as well as Heavy Hex Nuts up to 4" / M100 in diameter.
  • We can make fasteners as per your requirements because we have in house forging capacity of M100 bolts manufacturing with high precision CNC machining.

Types of Fasteners used in Transmission industry

  • Hex bolts & nuts
  • Square bolts & nut
  • Anchor bolts
  • T-head bolts
  • Stud bolts
  • Foundation bolts etc.

At Roll-fast, we have in house a wide range of fasteners which are suitable for this very need. As a leading supplier of Hex Bolt, double end stud bolts and hex nuts, our fasteners conform to the strictest ANSI, ASME, BS, European, IS and ISO standards for ideal use in the harsh environments of the Tunnel Industry.

We can provide you Carbon Steel, Alloy Steel, Stainless Steel, Aluminium, Brass, Silicon Bronze Fasteners as per size or drawing you need.

We have wide range of Raw material grade like –


Material Type

Grade name


Alloy Steel

EN8, EN8Cr, EN18, EN19, 41cr, 41Cr4, 42CrMo4


Carbon Steel

Low, Medium, High


Mild Steel



Stainless steel

SS304, SS316, SS316L, SS310, SS310S, SS410, SS316L, SS316 S31


Duplex Steel

S31500, S32304, S32404, S31803, S32205, S32520, S32550, S32750



White brass, Alpha brass, Beta brass, Alpha- beta



1100, 3003, and 6061

Commonly type of fasteners Grades –




Grade name



Hex Bolts

EN 14399-4 / DIN 6914 / ISO 4014 / ISO 4017

8.8, 10.9, B7, B8M, SS316

1/2” to 3”, M-16 to M-76


Stud Bolts

ASTM A193 / ISO 898-1

8.8, 10.9, B7, L7, SS316

1/2” to 3”, M-16 to M-76


Hex Nuts

EN 14399-4 / DIN 6915 / ISO 4032 / ASME B18.2.22

8, 10, 2H, A4, SS316

1/2” to 3”, M-16 to M-76



EN 14399-5 / DIN 6916 / DIN 7089 / DIN 125

MS, HV100, HV300

1/2” to 3”, M-16 to M-76