Diamond Engineering PB931S 12-Point Head Bolts Kit - Stainless Steel

Visible-only motor mount kits include just what you see and can get at. 12-point kits include CNC-machined hand polished flange washers; socket cap kits include standard polished stainless flat washers. Custom 450 stainless steel. 180,000 psi tensile. 20% stronger than Grade 8. UNJ3A rolled threads. Made in the u. s. a.