00787168 New Disc Mower Blade Bolt For Bush Hog HMG7, HMG8, HMG9, HMG10. This listing is for Ten (10) replacement blade bolt M12x15 with nut for Bush Hog HMG7, HMG8, HMG9 and HMG10 Disc Mowers, replaces part 00787168. M12 x 15 Bolt Diameter. Replaces Part Number: 00787168. Emails will be responded to during Warehouse hours. […]