Blade bolt 10-24 x 5/8". Replaces Walker F202 shear bolts, 2 required per blade. Sold in a package of 10. Stainless steel bolts. Fits our Walker Blade Hub WA6793, also used with our WA8802 Nut. " Rotary# 8801, 17-8801. Walker blade bolt, Walker shear bolt, Walker Screw, Walker shear pin.