Spiral Flute Tap: 1/4-28 UNF, 3 Flutes, Modified Bottoming, 2B Class of Fit, Powdered Metal, TICN Coated MPN:1305711608

OSG's spiral flute tap is engineered for use by machinists working on automotive or aerospace projects requiring precision thread creation using high-grade materials such as steel, stainless steel, or cast iron. The 1/4-28 UNF diameter ensures small thread creation with accuracy while the spiral flute design maximizes chip removal from the hole resulting in reduced wear during operation. Its modified bottoming feature allows for superior thread formation at the start of the tap while the 2B class of fit guarantees a clean, precise finish every time. Moreover, the powdered metal construction boosts durability and the TICN coating reduces galling while improving chip evacuation throughout tapping processes ensuring long-lasting performance at an economical cost. From professional engineers to hobbyists alike, OSG's spiral flute tap offers users an affordable yet powerful tool for all their thread creation needs.