Blue Shark taps are designed for high performance thread production in a wide range of stainless steels. On these E238 series taps, the back taper further facilitates chip evacuation, reducing chipping on the last threads of the taps and reducing the torque when the tap reverses. Features & Benefits • Spiral Flute (40°) • Back Tapered • HSS-E Powder Metallurgy Steel • Steam Tempered • DIN37112 • Tolerance: 6H • Chamfer: C 2 – 3 Specifications • Diameter: M8 • Thread Pitch: 1.25mm • Overall Length: 90mm. Dormer HSS M8 Spiral Flute Threading Tap, 90 mm Length, Pitch: 1.25mm, Thread Standard: Metric, Thread Direction: Right Hand, Hand/Machine Tap: Machine Tap, Shank Diameter: 8.0 mm, MPN: E238M8. Dormer Threading Tap HSS 1-Piece 1.25mm Pitch Metric Standard Machine Tap M8 Thread, Type: Spiral Flute, Thread Direction: Right Hand, Overall Length: 90 mm, Shank Diameter: 8 mm, Class of Fit: 6H, MPN: E238M8.