Quick Information
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.
Table Of Content
Arbor Bolts
Arbor bolts normally have a black or dark finish.
Blind Bolts
Blind bolts are used to join a pre drilled hole.
Carriage Bolts
Carriage bolts have partially threaded with round head and square neck.
Elevator Bolts
Elevator bolts have round, thin and flat head for construction uses.
Flange Bolts
Flange bolts are used to join two ends flanged pipes together.
Serrated Flange Bolts
Serrated flange bolts are commonly used for attaching exhaust systems.
Hanger Bolts
Hanger bolts are have different types of threads each end.
Hex Bolts
Hex Bolts having six sided hex head and They used with pre-tapped holes.
J Bolts
J bolts have a curved end "J" letter. They generally used in construction to anchor walls.
Lag Bolts
Lag Bolts have square or hex head with threaded shank.
Machine Bolts
Machine Bolts having square head or hex head with right hand threads.
Plow Bolts
Plow Bolts have domed, convex and flat head with tapered neck.
Rock Bolts
Rock bolts are threaded bars inserted into drilled holes.
Chicago Bolts
Chicago Bolts have barrel shaped used in female component.
Shoulder Bolts
Shoulder bolts suitable for heavy loads applications.
Socket Head Bolts
Socket head bolts have cylindrical shape with a barrel head.
L Bolt
L Bolt also called as a 90 deg anchor bolt.
Anti Theft Bolts
Anti theft bolts provide a high security fixing solution.
Square Bolts
Square bolts have square head offer a larger surface area.
Structural Bolts
Structural bolts come with a hex nuts to join structural steel construction.
T-Head Bolts
T-Head bolts have rectangle head or "T" shaped head.
Tap Bolts
Tap bolts have a hex head and right hand threads.
Toggle Bolts
Toggle bolts also called butterfly anchors. They best for support heavy loads work.
Tork Bolts
Tork bolts also called shear bolts. They provide a high security with a unique design.
Track Bolts
Track Bolts have circular or round head with two holes (1) top and (2) bottom.
U Bolts
U-bolts are U shaped head or "U" letter with threaded ends on each arm.
Expansion Bolts
Expansion Bolts suitable for securing connections such stone and concrete.
Industrial Bolts
Industrial bolts designed to chemical exposure and extreme weather conditions.
Metric Bolts
Metric bolts having 10 strength grades and 5 thread types.
Thru-Bolts
Thru bolts designed to exert substantial stress on the substrate.
Aesteiron Steel produces types of bolts for power generation, offshore drilling, valves and pumps, automobile, construction, marine and petrochemical applications.
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.
| 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 |
Types of Bolts Sizes
Bolts Grade
Different Types of Bolts Head
Anchor Bolt Manufacturing Process
Types of Bolt Heads
Types Of Bolts Coating
Allen Key Bolt End
Testing Requirements
Application
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
Bent Anchor Bolts
Wheel Stud
Flange Stud
Tap End Stud
Hex Stud
Double-End Stud
Fully Threaded Stud
There are 3 main bolts manufacturing process
Cold Forming
Forming bolt without heating
Hot Forging
Process of forming bolt a with heating
Machining
Machinery to cut material
Threadless part of between the bolt thread and bolt heads.
| 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 |
| 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 |
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 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 |
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 |
Hex Head
Domed Head
Bent Head
Square Head
Pentagon Head
Flat Head
| M Designates for | Metric system |
|---|---|
| ¼” means | ¼ inch bolt diameter |
| 20 means | 20 TPI bolt |
| 2” means | 2 inches bolt diameter |
Right Handed Bolt
Left Handed Bolt
| Coating | Applications | Color |
|---|---|---|
| Plain Finish Bolt | Indoor uses | ![]() |
| Zinc Plating Bolt | Outdoor applications | ![]() |
| Hot Dip Galvanized Bolt | Marine applications | ![]() |
| Black Oxide Bolts | Automotive | ![]() |
| Nickel Plating Bolt | Light duty applications | ![]() |
| Chrome Plating Bolts | Motorcycles | ![]() |
| Phosphate Coating Bolts | Military | ![]() |
| Cadmium Plating Bolt | Aerospace and Vintage machinery | ![]() |
| 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. |
| 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 |
Square headed bolt is normally used in bearing for shaft?
| Zinc Plated Bolt | Galvanized Bolt |
|---|---|
| Great corrosion resistance | Thicker layer |
Yes, Stainless steel bolt and coated bolt material suitable for corrosive environment. Because they provide excellent resistant to corrosion.
| 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 |
| 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 |
| 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