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What is a Square Bolts? and Their Uses

What is a Square Bolts


Table Of Content


What is Square Bolts?

Square head bolts are also called t shape bolts, The head design of square bolts provides a much better grip for quick tightening. Square head bolts provide tight fixation to objects. Square neck bolt used in electrical connections and machinery. Square bolt available in various sizes and shapes.


Ultimate Guide to Square Head Screws Dimensions

Square Bolt Dimensions

Square Bolt Dimensions

Diameter Of Bolt D H C F
Body Diameter Height Width Across Corners Width Across Flats
Maximum Basic Minimum Maximum Maximum Minimum Basic Minimum Maximum -
1⁄2 0.515 21⁄64 0.308 0.348 1.061 0.995 3⁄4 0.725 0.750
5⁄8 0.642 27⁄64 0.400 0.444 1.326 1.244 15⁄16 0.906 0.938
3⁄4 0.768 1⁄2 0.476 0.524 1.591 1.494 11⁄8 1.088 1.125
7⁄8 0.895 19⁄32 0.568 0.620 1.856 1.742 15⁄16 1.269 1.312
1 1.022 21⁄32 0.628 0.684 2.121 1.991 11⁄2 1.450 1.500
11⁄8 1.149 3⁄4 0.720 0.780 2.386 2.239 111⁄16 1.631 1.688
11⁄4 1.277 27⁄32 0.812 0.876 2.652 2.489 17⁄8 1.812 1.875
13⁄8 1.404 29⁄32 0.872 0.940 2.917 2.738 21⁄16 1.994 2.062
11⁄2 1.531 1 0.964 1.036 3.182 2.986 21⁄4 2.175 2.250
13⁄4 - 13⁄16 - - - - 29⁄16 - -
2 - 15⁄16 - - - - 215⁄16 - -

Benefits of Square Head Bolts

  • Easy To Tighten
  • Act as a Quick Gauge
  • Best For Blind Spots
  • Great for Narrow and Tight Spaces

Square Neck Bolt Available in Various Types and Sizes


Different Types of Square Bolts

Square Head Screws

Square Head Screws

Bolt With Square

Bolt With Square

Square Head Lag Bolts

Square Head Lag Bolts

Metric Square Head Bolts

Metric Square Head Bolts

Square Neck Bolt

Square Neck Bolt

Small Square Bolts

Small Square Bolts

Bolt With Square End

Bolt With Square End

Bolt With Square Shank

Bolt With Square Shank

Square Thread Bolt

Square Thread Bolt


Square Bolt Weight Chart

Diameter M24 M20 M16 M12 M10 M8 M6 M5
Length
140 510 361 - - - - -
120 451 320 193 - - - - -
110 421 299 180 - - - - -
100 392 279 167 - - - - -
90 362 258 153 81.2 - - - -
80 333 238 140 74.0 - - - -
70 303 217 127 66.8 - - - -
60 273 197 114 59.6 37.2 - - -
55 259 186 107 56.0 34.7 21.1 - -
50 - 176 101 52.4 32.2 19.5 - -
45 - - 94.3 48.8 29.7 18.0 9.44 -
40 - - 87.6 45.2 27.3 16.4 8.58 6.48
35 - - - 41.6 24.8 14.9 7.71 5.87
30 - - - 38.0 22.3 13.3 6.84 5.26
25 - - - 34.4 19.8 11.7 5.97 4.66
20 - - - 30.8 17.4 10.2 5.10 4.05
16 - - - - 15.5 9.0 4.41 3.57
10 - - - - - 7.2 3.35 2.83
8 - - - - - - 3.00 2.59

Trusted Source of Bolt with Square End Which is Required For Furniture Assembly


Square Neck Bolt Applications

  • Timber Construction
  • Equipment
  • Home Assembly
  • Marine Applications
  • Agriculture
  • Infrastructure
  • Heavy Machinery
  • Furniture
  • Historic Restoration
  • Farming
  • Industrial Revolution
  • Railroad Industry
  • Automotive Industry
  • Utility Poles and Bridges
  • Plumbing

Surface Treatments of Square Head Screws

  • Galvanized
  • Black Oxide
  • Nickel Plating
  • Chrome Plating

Why Choose Bolt With Square?

  • Enhanced Grips for Easy Tightening
  • Ideal for Tight Spaces
  • Quick Adjustment & Inspection
  • Pressure & Durability Resistance

Square Bolts Manufacturing Process

Square Bolts Manufacturing Process

Square Bolt Standards

IS 2585
ISO 7412
DIN 480
BIS 916
ANSI ASME B18.2.1
JIS B1182

Material of Bolt With Square Shank

  • Stainless Steel
  • Aluminum
  • Brass
  • High Tensile
  • Carbon Steel
  • Copper Nickel

Bolt With Square End Coatings

  • PTFE coated
  • Hot-dip galvanized
  • Aluminum zinc flake coated
  • Black phosphate coated
  • Zinc plated
  • Nickel-plated