5/8"X2"X18" Chisel Spike-7/16" Bolt 2.50
The 1858 Series Spikes Have Upset Points For Increased Wear And Longer Life - Even After Considerable Use They Retain Their Original Shape And Stay Sharp - Heat Treated And Oil Quenched - Order Multiples Of 5. Features: 582 Series Punched On 2-1/4†Center For 7/16†Or 1/2†Plow Bolt. 1858 1878 And Hd88 Series Are Punched For Plow Bolts With Hole And Slot For 2-1/4†To 2-1/2†Bolt Centers. Sd225 Drop Forged And Punched On 2-1/4†Center For 1/2†Hex Bolts. Width 2.50 Interchange  21458221  189Ub  1858716 Net Weight (Lbs) 4.76 Length 16.50