Husqvarna Snow Thrower Replacement Shear Bolt Kit with 6 Bolts | 580790401 Shear Bolt Kit (Includes 6 Bolts &amp; 6 Nuts) Genuine Husqvarna Part # 580790401 Best for use with 2008 and newer Husqvarna 2-Stage Snow Blowers 1/4 x 1/4 x 1-9/16 Hex Head: 1/2"