Greenfield Threading 330261 GT/VTD 1/4-20 HTHM H3 4F HP MBot Hand Tap, Oxide/Nitride

Flute Type: Straight. Hand of Cut: Right. Material: HSS-E. Number of Flutes: 4, Shank Configuration: Straight with Square. Surface Condition: Steam Oxide over Nitride, Tap Blank Construction: USCTI Table 302A, Tap Chamfer: Semi-Bottoming, Tap Construction: CNC For Cast Iron & Harder Materials, Tap Ground Threads: Yes, Tap Interrupted Thread: No, Tap Limit: H3, Tap Style: Straight Flute Hand Tap, Tap Truncated Threads: No, Tap Type: Machine Tap. Tool Size: 1/4 - 20 UNC. Diameter: 0.2500-Inch. Overall Length: 2.5000-Inch, Overall Length (Metric): 63.50mm, Shank Size: 0.2550-Inch, Shank Size (Metric): 6.48mm, Shank Square Length: 0.3125-Inch, Shank Square Length (Metric): 7.94mm, Shank Square Size: 0.1910-Inch, Shank Square Size (Metric): 4.85mm, Tap Neck Length: 1.0000-Inch. Depth of Cut: 2xD. Material Application:- K: Cast Iron, H: Hard Material. Operation Type: Blind Hole, Thru Hole, Tap Spiral Point: No. Thread Creation: Thread Cutting.

• Thread form: unc
• Thread length: 0.6250-Inch
• Thread length (metric): 15.88Mm
• Thread pitch: 20
• Thread size: 1/4-inch; thread tolerance: 2B