Plow bolts have countersunk flat heads, square necks, and a unified thread pitch. Because plow bolts wear along with the metal surface in which they are driven, they are suited for applications where a smooth surface is needed (at the spot of the head protrusion) and in which wear is expected.

The dome head plow bolt is heavily used in the blades of farm and highway implements.
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GRADE 8 DOME HEAD NO.3 PLOW BOLT PLAIN

5/8-11 X 1 1/2 NO. 3 DOME HEAD PLOW BOLT GRADE 8
Web Price $267.91
GRADE 8 DOME HEAD NO.3 PLOW BOLT PLAIN

5/8-11 X 1 3/4 NO. 3 DOME HEAD PLOW BOLT GRADE 8
Web Price $258.12
GRADE 8 DOME HEAD NO.3 PLOW BOLT PLAIN

5/8-11 X 2 NO. 3 DOME HEAD PLOW BOLT GRADE 8
Web Price $264.18
GRADE 8 DOME HEAD NO.3 PLOW BOLT PLAIN

5/8-11 X 2 1/4 NO. 3 DOME HEAD PLOW BOLT GRADE 8
Web Price $241.74
GRADE 8 DOME HEAD NO.3 PLOW BOLT PLAIN

5/8-11 X 2 1/2 NO. 3 DOME HEAD PLOW BOLT GRADE 8
Web Price $232.76
Diameter N/A 5/8
Pitch N/A Coarse
Length N/A 1 1/2 N/A 1 3/4 N/A 2 N/A 2 1/4 N/A 2 1/2
Material N/A Grade 8
Finish N/A Plain
Package Quantity N/A 250 N/A 225 N/A 225 N/A 200 N/A 175