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What is T Head Bolts and Their Uses?

What is T Head Bolts and Their Uses?



What is a T-Bolt?


The t-bolt also called as a hammer head bolt, it's most commenly used in industrial assemblies that require reliable and quick fastening. T head bolts is features t-shaped head designed to slide into profile channels and self-align without need for pre-drilling.


Understanding T Head Screw Dimensions and Standard

T Head Bolt Dimensions


T Head Bolt Dimensions

Sizes Diameter of Body Thread Length(Tl) Head Radius(K) Head Height (H) Head Width(B) Head Length (A)
Min Ref Maximum / Minimum Maximum / Minimum Maximum / Minimum
1/2-13 * 2 .515/.483 1.250 .875 .458/.418 .530/.492 1.000/.975
1/2-13 * 2 1/2 .515/.483 1.250 .875 .458/.418 .530/.492 1.000/.975
1/2-13 *  2 1/8 .515/.483 1.250 .875 .458/.418 .530/.492 1.000/.975
1/2-13 * 1 3/4 .515/.483 1.250 .875 .458/.418 .530/.492 1.000/.975
3/4-10 * 3 .768/.729 1.750 1.250 .649/.601 .800/.741 1.500/1.462
3/4-10 * 2 3/4 .768/.729 1.750 1.250 .649/.601 .800/.741 1.500/1.462
3/8-16 * 1 1/4 .388/.360 1.000 .625 .331/.295 .405/.368 .750/.731

T Head Bolt Standards


  • DIN 186 T Head Bolts
  • DIN 261 T Head Bolt

Find Difference Between T Head Bolts and Square Head Bolts as per DIN 261

What is the Difference between Square Head Bolts and T Head Bolts?


Square Head Bolts T Head Bolts
Fits Snugly Large Diameter
Easy to Align Sturdy Construction
Used in Furniture Manufacturing Used in Truckload Industries
Provide Four-sided Square Head Provide Solidity and Optimum Firmness

Testing Tool & Equipment of Stainless Steel T Head Bolts


  • Roughness Tester
  • Image Measuring Instrument
  • Micrometer
  • Smooth Plug Gauge
  • Routine Inspection of Calipers
  • Thread Gauge
  • Coordinate Measuring Machine

Learn More About Hammer Head T Bolt Applications and Weight Chart


Common Use for Stainless Steel T Head Bolts


Solar Panel Installation

Solar Panel Installation

Furniture and Fixtures

Furniture and Fixtures

Construction and Structural Framing

Construction and Structural Framing


Automotive and Aerospace

Automotive and Aerospace

Machinery and Equipment Assembly

Machinery and Equipment Assembly


T Head Bolt Weight Chart


(Minimum) Weight in Kilogram (s) in per 1000 pcs
M6 M8 M10 M12 M16 M20 M24 M30 M36 M42 M48
30 9.9 18.2 30.0                
40 12.1 20.2 35.0 55.1              
50 14.3 24.2 40.6 62.3 117            
60 16.5 28.2 46.8 71.1 130 220          
70   32.2 53.0 78.9 145 240 377        
80   36.2 59.2 88.7 1161 262 407        
90     65.4 97.6 177 287 437 727      
100     71.6 106 193 302 467 773      
120     124 225 351 538 874 1380      
140         257 401 618 985 1530 2220  

Top 5 Advantages of Using the Best T Head Bolts With Square Neck


Top 5 Advantages of Using the Best T Head Bolts With Square Neck

Features of Hammer Head T Bolt


  • Ease of Installation
  • Threaded Shaft
  • High Load Capacity

How to Choose the Right Square Head T Bolt for My Project?


How to Choose the Right Square Head T Bolt for My Project?


T Head Bolts With Square Neck Finishes


  • Anti-Rust
  • Black Oxide
  • Hot Dip Galvanizing
  • Nickel Plating
  • Black Zinc
  • Copper
  • Olive Green Zinc
  • PTFE
  • Zinc Nickel
  • White Zinc
  • Yellow Zinc
  • Zinc Flake Coating

Stainless Steel T Head Bolts HSN Code


Material HSN Code
T Head Bolts 73181500 

Things to Consider When Using of T Head Bolts ?


  • Make Sure T-bolt Thread Type and Sizes
  • Needs the applications and dimensions
  • Suitable for the environmental conditions
  • Apply the correct torque

Hammer Head T Bolt Load Capacity


Bolt Sizes (Inches) Load (lbf) Load(kN)
¾ 13 500 60,0
⅝ 9 000 40,0
1 25 000 111,2
1¼ 40 000 177,9

Can I used T Head Screw in marine Environment ?


Yes, T bolt used in salt water and marine environments


Threds Types of T Head Bolts


  • UNC (Unified National Coarse)
  • M (ISO Metric Thread)
  • BSP (British Standard Pipe)
  • PG (Steel Conduit Thread)
  • NPTF (National Taper Pipe Dryseal)
  • UNF (Unified National Fine)
  • NPT (National Taper Pipe)
  • Tr (Trapezoidal Thread)
  • BSF (British Standard Fine)
  • Mf (Iso Metric Fine)
  • UNS (Unified National Special Thread)
  • BSPT (British Standard Pipe Taper)
  • BSW (British Standard Whitworth Coarse)