Item | Spiral Flute Tap |
Finish | Black Oxide |
List Number | 290 |
Material | High Speed Steel |
Number Of Flutes | 0 |
Overall Length | 2 1/2" |
Pitch Diameter Limits | H7 |
Pitch Type | 28 |
Shank Dia. | 0.255" |
Tap Type | Spiral Flute |
Thread Direction | Right Hand |
Thread Length | 1" |
Thread Type | Fine |
55% Thread Drill Size | 5.7 mm |
65% Thread Drill Size | 7/32" |
75% Thread Drill Size | 5.45 |
Coolant Fed | Non Coolant Through |
Drill Bit Size | 0.2129", 0.2152", 0.2175", 0.2198", 0.2222" |
Extended Neck | Yes |
Features | The Original In Do It All In Spiral Flute Tap, Good For All Materials |
Helix Angle | 45° |
Material Grade - Machining | Grade 290, Vanadium High Speed Steel |
Measurement System | Fractional Inch |
Primary Material Application | Steel |
Primary Material Application Iso Code | P |
Secondary Material Application | Cast Iron, Hardened Steel, Stainless Steel |
Secondary Material Application Iso Code | H, K, M, P |
Shank Length | 1 1/2" |
Shank Type - Machining | Straight |
Square Size | 0.1900" |
Standards | ANSI |
Tap Chamfer | Modified Bottoming |
Tap Finish | Black Oxide |
Tap Material | High Speed Steel |
Tap Shank Standard | ANSI |
Tap Style | Spiral Flute |
Tap Thread Size | 1/4"-28 |
Thread Limit | H7 |
Thread Limit / Class Of Fit | H7 |
Thread Size | 1/4"-28 |
Thread Standard | UNF |
Threads Per Inch | 28 |