13/16 Diameter6 Shank1/4 Shank Size Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bitsDouble cutting spurs scribe the outside of the hole reducing breakout10% larger shank for added durabilityGrooved hex shank prevents slipping in drill chuck or bit extensionFits all standard quick change chucks - 13/16 Irwin Speedbor Spade Bit///brand_for_product_detail=Irwin,close_out=No,companydescription=Irwin - Imported,condition=New,condition_google=new,cost=2.410000,countrymade=Imported,country_flag=no_selection,featured=0,flag=no_selection,gtin_google=024721200518,identifier_exists=0,instock=in stock,is_recurring=0,madeinusa=0,manufacture_country=Imported / Other,square_product_image=https://square-production.s3.amazonaws.com/files/822948135d689eb6c4c000e22c4ea789ea0c70b6/original.jpeg,store_price=3.250000,sync_update_msg=Modified in Magento by harryepstein on 05/08/2017,url_path=13-16-irwin-speedbor-spade-bit
