1/4-20 UNC Taper Chamfer General Purpose Hand Tap

Dimensions: Diameter: 0.2500", Overall Length: 2.5000", Overall Length (Metric): 63.50mm, Tap Neck Length: 0.3900", Tool Size: 1/4-20 UNC.

Thread: Thread Creation: Thread Cutting, Thread Form: UNC, Thread Length: 0.6300", Thread Length (Metric): 16.00mm, Thread Pitch: 20, Thread Size: 1/4", Thread Tolerance: 2B.

Specifications: Flute Type: Straight, Hand of Cut: Right, Material: HSS, Measurement System: Imperial, Number of Flutes: 4, Surface Condition: Bright, Tap Blank Construction: USCTI Table 302A, Tap Chamfer: Taper, Tap Construction: Standard, Tap Ground Threads: Yes, Tap Interrupted Thread: No, Tap Limit: H1, Tap Spiral Point: No, Tap Style: Straight Flute Hand Tap, Tap Truncated Threads: No, Tap Type: Hand Tap.

Shank: Shank Configuration: Straight w/ Square, Shank End Feature: Square, Shank Size: 0.2550", Shank Size (Metric): 6.48mm, Shank Square Length: 0.3125", Shank Square Length (Metric): 7.94mm, Shank Square Width: 0.1910", Shank Square Width (Metric): 4.85mm.