McMaster 4830K221 Standard-Wall 304/304L Stainless Steel Pipe Nipple Fully Threaded, 1 NPT, 1-1/2" Long G9067046 this Starrett 701A Internal Groove

this Starrett 701A Internal Groove Micrometer is just what you need

Petroleum Oil

098" Tip Material Carbide Tipped Blade Type Combination Max

500 Handle Material Plastic Lock-Off Switch No Fastening Torque 738 ft-lb Housing Material Aluminum Breakaway Torque 738 ft-lb Retainer Type Friction Ring Impact Rated Yes Current 12 A Drive Style Standard Explosive Environment Rated No Handle Type Pistol Grip Free Speed 1

McMaster 4830K221 Standard-Wall 304/304L Stainless Steel Pipe Nipple Fully Threaded, 1 NPT, 1-1/2" Long G9067046 this Starrett 701A Internal GrooveDesigned for low pressure flow applications, this pipe is also known as Schedule 40. 304 stainless steel pipe offers very good corrosion resistance. Welded pipe has a weld bead on the inside. Fully threaded pipe is also known as a close nipple; it is threaded on each end to the center. For Use With Air, Natural Gas, Oil, Steam, Water Shape Straight Type Pipe Material 304 304L Stainless Steel Schedule 40 Threading Fully Threaded Connection Type Pipe