WIDIA GTD VTSFT TC6049 Spiral Flute Tap, 2" 4.5 UNC, 2B, 5 Flute, Semi Bottoming Chamfer, High Speed Steel 61192 this strut channel is 1 5 8" this strut channel is 1 5 8" × 1 5 8" (2) Swivel Shelf Material HDPE Assembled Unassembled Unassembled Caster Material Thermoplastic Rubber Leg Material Polypropylene Capacity per Shelf 250 lb Electrical Included No Standards CSA Stainless Steel Thread Limit 2B Threads per Inch 4 1 2 Thread Standard UNC Series VT SFT Shank Type Machining Straight Features Form C Semi Bottoming Chamfer 26 in Shank Diameter 1 37 64 in Item Spiral Flute Tap Tap Chamfer Semi Bottoming Tap Thread Type UNC Number of Flutes 5 Tap Finish TiN List Number VT SFT Number of Pieces 1 Tap Material High Speed Steel Standards DIN 376 Thread Direction Right Hand Tap Style Spiral Flute Cutting Direction Machining Right Hand Extended Neck Yes Tap Shank Standard DIN 376 Secondary Material Application ISO Code K