HCS MATERIAL; 20 TPI; RIGHT HAND DIRECTION OF CUT; PLUG STYLE; 4 FLUTE(S); STRAIGHT FLUTE TYPE; UNC THREAD TYPE; 1/4 INCH TAP SIZE; HAND WRENCHING; 1/4 TAP SIZE - FRACTIONAL; .25 TAP SIZE - DECIMAL; HANSON. BRAND; BULK STOCK