1" 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 - 1" Irwin Speedbor Spade Bit///brand_for_product_detail=Irwin,close_out=No,companydescription=Irwin - Imported,condition=New,condition_google=new,cost=2.940000,countrymade=Imported,featured=0,identifier_exists=0,instock=in stock,is_recurring=0,madeinusa=0,manufacture_country=Imported / Other,product_image_size=Default,product_page_type=Default,square_product_image=https://square-production.s3.amazonaws.com/files/90c41a6e5bc48f4c795eb75320714bfafb8b6f70/original.jpeg,store_price=4.150000,sw_featured=No,url_path=1-irwin-speedbor-spade-bit