Inquiry (采购产品): Machinery and Industrial Supplies What grade of tool steel or carbide do you recommend? What speeds and feed rate do you recommend? Thank-you for your help. rebyars@comcast.net **** Hidden Message ***** Rodney Byars, Deer Park Tool and amp; Grinding, 832-229-7215, 281-479-8866, Country:United States **** Hidden Message ***** rebyars@comcast.net