Rotary 5575 Shear Bolt & Nut Fits Ariens 52100100 5/16" OD by Rotary $6.62 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Other PRODUCT DESCRIPTION DESCRIPTION Snowblower Shear Pin/Bolt. Includes Bolts/Nuts. Replaces Ariens 52100100. Fits new 2007 model series 921001, 921002, and 921003 that take the new black shear bolt. 1/2" wrench size. Min 5 REPLACES OEM ARIENS 52100100 SPECS OD 5/16"