standard bolts
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STANDARD BOLTS

Roll-fast takes pride in being the largest manufacturer for bigger diameter bolts in India. These headed bolts HV Bolts, High Tensile Bolts, High Tensile Fasteners, Stainless Steel Bolts, Structural Bolts, Hanger Bolts, Timber Bolts & Washer Head Bolts are hot forged bolts and are manufactured on vertical up setter & Down Setter machines. We can offer hex bolts and screws from M-16 diameter to M-100 diameter in metric threads and from 1/2” diameter to 4” diameter in American UNC threads. We manufacture different type of grade as per ISO 898-1 (4.6, 8.8, 10.9 & 12.9), ISO 3506-1 (A1-50, A1-70, A1-80, A2-50, A2-70, A2-80, A3-50, A3-70, A3-80, A4-50, A4-70, A4-80, A5-50, A5-70, A5-80) (SS304, SS 316, SS 316L, SS316 S31), ASTM A194 (B7, L7, 8M, B8, B8M) etc. We offer bolts According to ISO 4014, ISO 4017, DIN 6914, EN 14399-4, Dast 021, BS 3698, ANSI B 18.2.1, ASME B 18.2.1, ASME B18.2.6M, ASTM F1554, ASTM A 449, BS 3692 etc. or as per customer requirement.

We have in house facility of Band saw cutting, Forging, CNC, Thread Rolling. Our manufacturing our skilled engineering & production teams, technically advanced inspection processes, and commitment to continuous improvement ensure delivery of competitively priced with on time and free of defects.

We also do various finish and colours according to the specification and need of the customer. We provide Self-finish or natural finish, Zinc plated, yellow Zinc, blue Zinc, black , Hot Dip Galvanized (HDG), Geomat, PTFE, Xylon coating etc.

We also do various finish and colours according to the specification and need of the customer. We provide a Self-finish or natural finish, Zinc plated, yellow Zinc, blue Zinc, black , Hot Dip Galvanized (HDG), Geomat, PTFE, Xylon coating etc.

Specification

Industries Served

Renewable

Chimney cleaning

Automation

Water Projects

Ship building

Automobiles

Doors

Agricultural equipment & machines

Bridge construction

Hydraulic & Pneumatic

Aluminum frame construction

Parts for Ship engines / Ship Building

HVAC

Wind Turbines

Railways

Petrochemical Industries

Fastening Solutions

Aerospace

Building construction

Dams

Engine parts manufacture

Solar projects

Replacement market

Tunnel Industry

Transmission Industry

Trailer parts

Mining

Raw Materials (Metals)

Alloy Steels

Carbon Steel

Aluminum

Brass

Stainless Steel
Tin
Titanium
Nickel

Silicone Bronze

Duplex Steel

Mild Steel

Standard

ISO

IS

BS

ASME

ASTM

ANSI

DIN

Dast

Heat Treatment

Annealing

Normalizing

Hardening

Stress relieving.

Tempering.

Carburization

Heat Treated to any custom Specification

Fastener Types

Bolts & Studs

Nuts

Washer

Grades

4.6

8.8

10.9

12.9

B7

L7

B8M

SS 304

SS 316

SS 316L

SS 316 S31 etc.

 

4

8

10

12

2H

2HM

8A

8M

8MA etc.

 

 

MS

Carbon Steel

HV 100

HV 200

HV 300

A4

SS etc.

Thread

Metric

UNC

UNF

Diameter

M12-M100

½’ to 4”

 

Finish

Brass

Bronze

Chrome

Nickel-Plated

Zinc Electroplated

Electro galvanizing

Hot Dip Galvanizing

Ceramic Coating

Xylan or Teflon Coating

PTFE Coating

Geomat etc.