Plow Bolts
Plow bolts are used in farm and construction machinery and railroad equipment. Trinity Hardware Headquarters stocks a wide variety of plow bolts listed below.
View our plow bolt catalog pages.
#3 Flat Head Plow Bolts
This plow bolt features a flat, plain, circular, countersunk head and square neck. The flat countersunk head provides a flush surface.
#3 Flat Head Plow Bolts- Grade 8
This family of plow bolts is best suited for heavy plow applications. Parts are heat treated to SAE J429 Grade 8 specifications. For a compatible assembly, parts should be used with Grade 8 finished hex nuts or Grade ASTM A194 2H heavy hex nuts.
#3 Flat Head Plow Bolts- Grades 2 & 5
Grades 2 & 5 are used in a variety of cultivating and plow applications. Parts are heat treated to SAE J429 specifications.
#3 Dome Head Plow Bolts- Grade 8
Used in a variety of cultivating and plow applications. Parts are heat treated to SAE J429 Grade 8 specifications.
#3 Oversized Head Plow Bolts
#3 Repair Head Plow Bolts- Grades 2, 5, & 8
Used in a variety of cultivating and plow applications. Repair head plow bolts include the manufacturer head marking as well as the letter "R".
#4 Head Plow Bolts
These 'old-time' No. 4 Head Plow Bolts are used in square countersunk hole applications. Long time favorites in the crop harvesting world.
#7 Repair Head Plow Bolts
#7 Head Bucket Tooth Plow Bolts
#7 Head Bucket Tooth Bolts are a plow bolt that features a flat, round, countersunk head with a single reverse key that prevents the head from turning. The head has a 60° included angle. The #7 Head bucket Tooth Bolt's smaller head translates into less metal to be worn away while the key (which is larger towards the bottom of the head) remains unaffected.
When replacing bolts, the key insures that the bolt is placed in its original position. No. 7 Bucket Tooth Plow Bolts are often used on heavy equipment such as snow plows, bulldozers, backhoes, shear blades, and road graders. Parts meet SAE J429 Grade 8 specifications.
View No. 7 Head Bucket Tooth Plow Bolt Pages
View #7 Head Bucket Tooth Plow Bolt Product Flyer
Contour Head Plow Bolts
Contour head plow bolts feature an elliptical, curved head design.
Clipped Head Plow Bolts
Features a countersunk, flat, round head with two flat sides from a reduced head diameter on both sides. Used for all types of plow applications in agriculture, construction, paving, snow removal, and grading. Parts are heat treated and generally plain finish.
Left Hand Clipped Head Plow Bolts
Metric Plow Bolts
Like their inch counterparts, metric plow bolts are used in a wide variety of applications from crop harvesting equipment, compaction plates, and cutters.
Plow Bolt & Nut Kits
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