This tap is made of cobalt and has a 0.255 inch diameter, 1.8900 inch long shank. It is designed for use with cast iron, stainless steel, steel, and meets the standards for DIN/ASME. This PER-960SP series tap has a hard lube finish, and has fractional inch measurements. It has right hand direction with a 3.1496 inch length. Plus it has three flutes and a straight shank.
Technical Specs
ItemTap
Thread StandardUNF
Tap FinishHard Lube
Overall Length3.1496 in
Thread Limit2B
Thread DirectionRight Hand
Primary Material ApplicationCast Iron, Stainless Steel, Steel
65% Thread Drill Size7/32 in
Measurement SystemFractional Inch
SeriesPER-960SP
Shank Length1.8900 in
Spiral DirectionNeutral
StandardsASME, DIN
Tap GroupingTap
Thread Limit / Class of Fit2B / 2B
Tap StyleSpiral Point
Thread Size1/4"-28
Tap MaterialCobalt
Thread Length43/64 in
75% Thread Drill Size5.45 mm
Class of Fit2B
Number of Flutes3
55% Thread Drill Size5.70 mm
Extended NeckYes
Primary Material Application ISO CodeK, M, P
Shank Dia.0.255 in
Shank Type - MachiningStraight
Square Size0.1910 in
Tap ChamferPlug
Threads per Inch28 TPI
Helix Angle0 Degrees
Country of OriginUnited States
(subject to change)