Types of Bolts

Types of Bolts

Quick Information

  • Sizes in Stock: M3 to M120
  • Environments: High Vibration
  • Standards: ISO, DIN, BS and ASTM
  • Thread Class: 2A/2B, 3A/3B
  • Features: High Strength
  • Head Design: Hexagon Head
  • Use: Structural Steel Construction
  • Length : 3 MM To 200 MM
  • Origin : India
Choosing the Right Types of Bolts for Your Project
  • Right Size
  • Thread Type
  • Material
  • Environment Matching
  • Right Finish
  • Right Type of Bolts and Nuts
  • Load Requirements
  • Compatibility

Understand Top 13 Bolt Threads as per International Standard

Types of bolts are normally used with a nut and sometimes with a washer. Bolts types are designated using either the metric or imperial sizes. Different types of bolts are used to secure or fasteners materials together. There are many bolts types and hardware. Anchor bolt types have machine threads.


Top 30 Types of Bolts

Arbor Bolts

Arbor Bolts

Arbor bolts normally have a black or dark finish.

Blind Bolts

Blind Bolts

Blind bolts are used to join a pre drilled hole.

Carriage Bolts

Carriage Bolts

Carriage bolts have partially threaded with round head and square neck.

Elevator Bolts

Elevator Bolts

Elevator bolts have round, thin and flat head for construction uses.

Flange Bolts

Flange Bolts

Flange bolts are used to join two ends flanged pipes together.

Serrated Flange Bolts

Serrated Flange Bolts

Serrated flange bolts are commonly used for attaching exhaust systems.

Hanger Bolts

Hanger Bolts

Hanger bolts are have different types of threads each end.

Hex Bolts

Hex Bolts

Hex Bolts having six sided hex head and They used with pre-tapped holes.

J Bolts

J Bolts

J bolts have a curved end "J" letter. They generally used in construction to anchor walls.

Lag Bolts

Lag Bolts

Lag Bolts have square or hex head with threaded shank.

Machine Bolts

Machine Bolts

Machine Bolts having square head or hex head with right hand threads.

Plow Bolts

Plow Bolts

Plow Bolts have domed, convex and flat head with tapered neck.

Rock Bolts

Rock Bolts

Rock bolts are threaded bars inserted into drilled holes.

Chicago Bolts

Chicago Bolts

Chicago Bolts have barrel shaped used in female component.

Shoulder Bolts

Shoulder Bolts

Shoulder bolts suitable for heavy loads applications.

Socket Head Bolts

Socket Head Bolts

Socket head bolts have cylindrical shape with a barrel head.

L Bolt

L Bolt

L Bolt also called as a 90 deg anchor bolt.

Anti Theft Bolts

Anti Theft Bolts

Anti theft bolts provide a high security fixing solution.

Square Bolts

Square Bolts

Square bolts have square head offer a larger surface area.

Structural Bolts

Structural Bolts

Structural bolts come with a hex nuts to join structural steel construction.

T-Head Bolts

T-Head Bolts

T-Head bolts have rectangle head or "T" shaped head.

Tap Bolts

Tap Bolts

Tap bolts have a hex head and right hand threads.

Toggle Bolts

Toggle Bolts

Toggle bolts also called butterfly anchors. They best for support heavy loads work.

Tork Bolts

Tork Bolts

Tork bolts also called shear bolts. They provide a high security with a unique design.

Track Bolts

Track Bolts

Track Bolts have circular or round head with two holes (1) top and (2) bottom.

U Bolts

U Bolts

U-bolts are U shaped head or "U" letter with threaded ends on each arm.

Expansion Bolts

Expansion Bolts

Expansion Bolts suitable for securing connections such stone and concrete.

Industrial Bolts

Industrial Bolts

Industrial bolts designed to chemical exposure and extreme weather conditions.

Metric Bolts

Metric Bolts

Metric bolts having 10 strength grades and 5 thread types.

Thru-Bolts

Thru-Bolts

Thru bolts designed to exert substantial stress on the substrate.


Understand Top 13 Bolt Threads as per International Standard

Aesteiron Steel produces types of bolts for power generation, offshore drilling, valves and pumps, automobile, construction, marine and petrochemical applications.

Top 13 Bolts Threads Types
  • MF (ISO metric fine)
  • Tr (Trapezoidal thread)
  • UNF (Unified national fine)
  • UNC (Unified national coarse)
  • Pg (Steel conduit thread)
  • M (ISO metric thread)
  • BSPT (British standard pipe taper)
  • UNS (Unified national special thread)
  • NPTF (National taper pipe dryseal)
  • BSF (British standard fine)
  • BSP (British standard pipe)
  • BSW (British standard whitworth coarse)
  • NPT (National taper pipe)

Types of Bolts Material

Check Different Types of Bolts Sizes in Metric and Imperial

Types of bolts are normally used with a nut and sometimes with a washer. Bolts types are designated using either the metric or imperial sizes.

Bolt Standard Size
Size Greater Than 6" (Thread Length) Less Than 6" (Thread Length)
1/4" 1.00 0.75
5/16" 1.125 0.875
3/8" 1.25 1.00
1/2" 1.5 1.25
5/8" 1.75 1.5
3/4" 2 1.75
7/8" 2.25 2
1" 2.5 2.25
1-1/8" 2.75 2.5
1-1/4" 3 2.75
1-1/2" 3.5 3.25
1-3/4" 4 3.75
2" 4.5 4.25
2-1/2" 5.5 5.25
3" 6.5 6.25
3-1/2" 7.5 7.25
4" 8.5 8.25
Bolts Specifications in ASME B18 2.1
Types of Bolts Sizes

Types of Bolts Sizes

  • M3 to M48
  • 1/4" to 4"
Bolts Grade

Bolts Grade

  • 8.8
  • 10.9
  • 12.9
Different Types of Bolts Head

Different Types of Bolts Head

  • Hex, Pan
  • Flat, Oval
  • Truss, Socket
Anchor Bolt Manufacturing Process

Anchor Bolt Manufacturing Process

  • Cold Forged
  • CNC Machined
  • Hot Forged
Types of Bolt Heads

Types of Bolt Heads

  • BSF, BSW
  • UNF, UNC
Types Bfs  Coatingbolt

Types Of Bolts Coating

  • Black Oxide
  • Zinc Plated
  • HDG & PTFE
Allen Key Bolt End

Allen Key Bolt End

  • Half Point
  • Sheared End
  • Chamfer End
Testing Requirements

Testing Requirements

  • PMI Test
  • Hardness Test
  • Tensile Test
Application

Application

  • Construction
  • Machinery
  • Automotive
Anchor Bolt Types

Anchor bolts are suitable for concrete surfaces. anchor bolt types normally used in the construction. Two general types of anchor bolts are:

Headed Anchor Bolts

Headed Anchor Bolts

Bent Anchor Bolts

Bent Anchor Bolts

Stud Bolt Types

Wheel Stud

Wheel Stud

Flange Stud

Flange Stud

Tap End Stud

Tap End Stud

Hex Stud

Hex Stud

Double-End Stud

Double-End Stud

Fully Threaded Stud

Fully Threaded Stud
How Is a Bolt Made?

There are 3 main bolts manufacturing process

Cold Forming

Cold Forming

Forming bolt without heating

Hot Forging

Hot Forging

Process of forming bolt a with heating

Machining

Machining

Machinery to cut material

Bolt Shank

Threadless part of between the bolt thread and bolt heads.

Bolt Shank
Bolt Recommended Hardware
Bolt Hardware Washer Hardware Nut Hardware
A193 Grade B5 A36 Mild Steel A194 Gr 3
A193 Grade B6 A240 Gr 410 A194 Grade 6
A193 Grade B7 F436 Type 1 A194 Gr 2H
A193 Grade B7M F436 Type 1 A194 Gr 2HM
A193 Grade B16 F436 Type 1 A194 Gr 16
A193 Grade B8 A240 Gr 304 A194 Gr 8
A193 Grade B8M A240 Gr 316 A194 Gr 8M
A193 Grade B8T A240 Gr 321 A194 Grade 8T
Types Of Bolts Grades
Bolts Grades Tensile Strength Proof Load
SAE Grade 2 Bolts 74,000 PSI 33,000 PSI
SAE Grade 5 Bolts 120,000 PSI 74,000 PSI
SAE Grade 8 Bolts 150,000 PSI 120,000 PSI
Class 8.8 Bolts 800 MPa 600 MPa
Class 10.9 Bolts 1040 MPa 830 MPa
Class 12.9 Bolts 1,220 MPa 970 MPa
Before Ordering, Refer Recommended Allen Key Bolt Load Capacity

Aesteiron Steel, based in Mumbai, manufactures a types of bolts, other fasteners. The company holds an ISO 9001:2008, ISO 9001:2015 and ISO 17025:2017 certification.

Bolt Size and Load Capacity
Bolt Diameter Grade 8 Bolts
Inches Fine Thread Coarse Thread
1/4" 5450 LBS 4750 LBS
5/16" 8700 LBS 7850 LBS
7/16" 17800 LBS 15900 LBS
1/2" 24000 LBS 21300 LBS
9/16" 30400 LBS 27300 LBS
5/8" 38400 LBS 33900 LBS
3/4" 56000 LBS 50100 LBS
Bolts Torque Chart

Recommended Maximum Tightening Torque

Size Grade 10.9
M6 17.0 Nm
M8 41.3 Nm
M10 81.8 Nm
M12 143 Nm
M16 354 Nm
M20 690 Nm
M24 1195 Nm
M30 2377 Nm
Size Grade 12.9
M5 11.7 Nm
M6 19.9 Nm
M8 48.3 Nm
M10 95.7 Nm
M12 167 Nm
M16 413 Nm
M20 809 Nm
M24 1395 Nm
M30 2774 Nm
Bolt Head Types

Hex Head

Hex Head

Domed Head

Domed Head

Bent Head

Bent Head

Square Head

Square Head

Pentagon Head

Pentagon Head

Flat Head

Flat Head
Dimensions of Bolt Thread
Dimensions of Bolt Thread
Bolt Length
Bolt Length
Buy Bolts Types for Construction and Automotive Applications
Types Of Bolts And Their Application
  • Automobile
  • Building & Construction
  • Chemical Refining
  • Oil & Gas
  • Nuclear Power Plants
  • Water Pipelines
  • Petrochemical
  • Transportation
  • Agriculture
  • Marine
  • Power Generation
  • Pumps & Valves
  • Ship Building

Types of Bolt Thread Pitch
Types of Bolt Thread Pitch
M Designates for Metric system
¼” means ¼ inch bolt diameter
20 means 20 TPI bolt
2” means 2 inches bolt diameter
Right Handed and Left Handed Bolt Threads
Right Handed Bolt

Right Handed Bolt

Left Handed Bolt

Left Handed Bolt

Bolt Coating Types
Coating Applications Color
Plain Finish Bolt Indoor uses Plain Finish Bolt
Zinc Plating Bolt Outdoor applications Zinc Plating Bolt
Hot Dip Galvanized Bolt Marine applications Hot Dip Galvanized Bolt
Black Oxide Bolts Automotive Black Oxide Bolts
Nickel Plating Bolt Light duty applications Nickel Plating Bolt
Chrome Plating Bolts Motorcycles Chrome Plating Bolts
Phosphate Coating Bolts Military Phosphate Coating Bolts
Cadmium Plating Bolt Aerospace and Vintage machinery Cadmium Plating Bolt
Different Types of Bolts Characteristics
Types of Bolts Materials Characteristics Applications
Hex Bolts Steel, stainless, carbon and alloy steel. Hexagonal head Construction and machinery
Flange Bolts Stainless steel and brass Distributes pressure Aerospace, medical devices and automotive
Socket Cap Bolts Stainless and alloy steel Socket head Automotive and construction
Machine Bolts Stainless steel and brass Fine and coarse threads Automotive and electronics
Carriage Bolts Stainless steel and brass Smooth head with a square neck Furniture assembly
Lag Bolts Stainless steel and galvanized No nut required Heavy wooden structures.
What Are the 6 Parts of a Bolt?
What Are the 6 Parts of a Bolt?
Thread length Length of the thread
Head Torque tool can hold for tightening
Radius Curve between the head and shank
Shank Threadless and smooth bolt part.
Runout Point on the bolt that “runs out”
Thread Spiral around the body with the nut
Which bolt is Commonly Used in Bearing for Shaft?

Square headed bolt is normally used in bearing for shaft?

What is the Difference Between A Zinc Plated and Galvanized Bolt?
Zinc Plated Bolt Galvanized Bolt
Great corrosion resistance Thicker layer
Can I Use a Bolt in a Corrosive Environment?

Yes, Stainless steel bolt and coated bolt material suitable for corrosive environment. Because they provide excellent resistant to corrosion.

ASTM Standard for Bolt
astm standard for bolt

  • A2-70
  • A4-70
  • ASTM A193 B8
  • ASTM A193 B8M
  • ASTM A193 Grade B16
  • ASTM A193 Grade B7
astm standard for bolt

  • ASTM A453 Grade 660
  • ASTM A193 B6
  • ASTM A194 Grade 2H
  • ASTM A320 Grade L7
  • ASTM F959
  • ASTM F2882
DIN Standard for Bolt
Germany Standards (DIN) Types
DIN 933 Hex Bolts
DIN 261 T-Head Bolts
DIN 444 Eye bolts
DIN 478 Square head bolts with collar
DIN 580 Lifting eye bolts
DIN 797 Special foundation bolts
DIN 931 Hex bolts
DIN 976 Stud bolts
DIN 5903 Fish bolts
DIN 529 Anchor Bolts
DIN 3570 U Bolts
DIN 22424 A Triangle Head Bolts
DIN 607 Carriage Bolts
DIN 604 Flat Countersunk Nib Bolts
DIN 6914 Heavy Hex Bolts
ISO Standard for Bolts
European Standards (ISO) Types
ISO 4014 Hex Bolts
ISO 4162 Hexagon Bolts with Flange
ISO 8678 Cup head square neck bolts
ISO 8677 Mushroom Head Square Neck Bolts
ISO 15071 Hex Flange Bolts
ISO 4017 Full Thread Hex Head Bolts
ISO 8765 Fine Threaded Hex Head Bolts
BS Standard for Bolts
British Standards (BS) Types
BS 1768 Hexagon Bolts
BS 4933 Countersunk Head Bolts
BS 7419 Holding Down Bolts
BS 4882 Full Threaded Studs Bolts
BS 3692 Precision Hexagon Bolts


Conclusion

Manufacturer and Supplier of Different Types of Bolts in India

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