Luctool 1-8 UNC Spiral Flute Tap Bottoming GH4 Limit 3 Flute HSS Uncoated Bright Finished Ground Thread. Luctool Provides Premium Quality Hand Tools for Metal Threading.

1-8 UNC Spiral Flute Tap Bottoming GH4 Limit 3 Flute HSS Uncoated Bright Finished Ground Thread · Thread Size: 1"-8 · Thread Limit: GH4 · Number of Flutes: 3 · Overall Length: 5-1/8 · Thread Length: 2-1/2 · Finish/Coating: Bright · Material: High Speed Steel (HSS)