#236094T

Diameter Thread Threads Length Grade Finish Weight
0.25 (1/4) Full 20 1.5 (1 1/2) Grade 5 Zinc Clear Trivalent .023
Diameter 0.25 (1/4)
Thread 20
Length 1.5 (1 1/2)
Grade Grade 5
Finish Zinc Clear Trivalent
Weight .023

  • Grade 5


Carriage bolts, technically called Round Head Square Neck Bolts, are used in many industries in a multitude of applications, from high stress plow applications and in mining and rock quarry shaker screens to lower stress wood assemblies such as bolting together picnic tables. Carriage Bolts are perfect for assembling all types of material from wood, plastic, or hardened steel. The low-profile head ensures that there is no interference with objects as they slide over the head. The square neck locks the bolt in place during installation and prevents the bolts from loosening over time. Earnest carries Carriage Bolts in Grade 5 and Grade 8 strength levels. Grade 8 carriage bolts are fully threaded and are commonly called shaker screen bolts.

Carriage Bolt – Grade 5

  • Rockwell hardness of Rc 25/34
  • Better toughness as compared to standard or slick head carriage bolts
  • Popular applications include installation of smaller size snow plow blades in pick-up truck applications to wear-resistant sheeting to conveyers or chutes
  • Diameter sizes range from 1/4" to 1
  • Meets ASME B18.5 standards
  • Carriage Bolt (Shaker Screen Bolt) – Grade 8

  • Fully threaded
  • Rockwell hardness of Rc 33/39
  • High strength and wear resistance
  • Popular applications include installation of curb protectors on snow plows to rock quary shaker screens.
  • Diameter sizes range from 1/4" to 1”
  • Meets ASME B18.5 standards
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