18 8 Stainless Steel Fully Threaded Rod, 3 8" 16 Thread Size, 36" Length, Right Hand Threads auspowers_batchone Automatic Center Punch 5 Inch June_2023_update Automatic Center Punch 5 Inch Spring Loaded Center Punch Adjustable Tension Punch Tool for Metal Wood Glass Plastic(2 Pack) decreases friction and heat for a faster and cooler drilling performance Portable & Easy To Store Pocket size twist drill bit set is easy to store in a toolbox or in pocket Read more Read Warm Tips Before Use Be Vertical Keep the drill bits vertical to the object when drillingBe sure to make both bit and work piece stable Studs are also available with a perforated base Threaded rods and studs are fasteners that screw into threaded nuts or tapped holes