Black & Decker self-feed wood boring bits are designed especially for plumbers, electricians and other tradesmen who need to bore holes in wood for pipe or conduit. Each bit has heavy duty 1/2 shank with three milled flats for secure chuck grip in portable electric drills or stationary boring machines. Replaceable double-end screw point. For pipe size 1 . Max RPM 1200. - 1 1/4 Self-Feed Wood Boring Bit///brand_for_product_detail=Black & Decker,close_out=Yes,companydescription=Black & Decker - Made in the USA,condition=New,condition_google=new,cost=2.750000,countrymade=Made in the USA,country_flag=no_selection,featured=0,flag=no_selection,identifier_exists=0,instock=in stock,is_recurring=0,listprice=7.50,madeinusa=1,manufacture_country=United States,product_image_size=Default,product_page_type=Default,sellprice=15,smart_campaign_bestsellers=Smart Campaign Bestsellers,square_product_image=https://square-production.s3.amazonaws.com/files/5e16264a3cfc30e01f8924b030a3054258564785/original.jpeg,store_price=15.000000,sw_featured=No,sync_update_msg=Modified in Magento by harryepstein on 15/03/2017,url_path=1-1-4-self-feed-wood-boring-bit, 01 07 L 04