drilled pipe This RFQ was sourced on www.MFG.com in USA for Deep Hole Drilling Production of a drilled pipe. Please see drawing for drilling detail. Pipe is 20" Nom SCH 40S (.375" thick) SA 312 304SS. Buyer Information Industry City/Region Orchard Park, New York Country USA RFQ RFQ Number 365227 Material Alloy Steel Material Grade SA312 304SS PIPE (Welded ok) Technical Specifications Category Deep Hole Drilling Dimensions The following suppliers (machine shops, fabricators, casters, molders, 3D printing, CNC machining, etc.) provide manufacturing services for the machine tool industry, automotive industry… For more information visit www.MFG.com. MFG.com analyzes all engineered parts and RFQs for improved manufacturability and to ensure quality and a quick quoting experience. Deep Hole Drilling: Deep hole drilling involves drilling a deep hole in which the length (or depth) of the hole is three or more time the diameter. The drills used are sometimes called a BTA or ejector drills. Coolants can be fed internally through these drills to the cutting edge.