7/8 Diameter
6 Shank Length
1/4 Shank Size
Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits
Double cutting spurs scribe the outside of the hole reducing breakout
10% larger shank for added durability
Grooved hex shank prevents slipping in drill chuck or bit extension
Fits all standard quick change chucks - 7/8 Irwin Speedbor Spade Bit///brand_for_product_detail=Irwin,close_out=No,companydescription=Irwin - Imported,condition=New,condition_google=new,cost=2.290000,countrymade=Imported,instock=in stock,listprice=3.00,madeinusa=0,manufacture_country=Imported / Other,sellprice=3.00,square_product_image=https://square-production.s3.amazonaws.com/files/6b4cc0ea17e49f33afc015c04d53a00830a37ce2/original.jpeg,store_price=3.000000,url_path=7-8-irwin-speedbor-spade-bit