Union Butterfield® 1010520

Union Butterfield® Pipe Tap, Straight Flute, Series: 1541, Measurement System: Imperial, 1/4-18, NPT, Tapered Chamfer, 1-1/16 in Thread Length, 2-7/16 in Overall Length, 4 Flutes, Right Hand Cutting, 0.563 in Shank Dia, 0.421 in Square Size, HSS, Bright, Medium Hook

• Type Straight Flute
• Series 1541
• Measurement System Imperial
• Thread Size 1/4-18
• Thread Standard NPT
• Chamfer Type Tapered
• Thread Length 1-1/16 in
• Overall Length 2-7/16 in
• Number of Flutes 4
• Cutting Direction Right Hand
• Shank Diameter 0.563 in
• Square Size 0.421 in
• Material HSS
• Finish/Coating Bright
• Hook Type Medium

• Medium hook for multi-material tapping
• Generally used for pipe fittings and couplings in most ferrous and non-ferrous materials
• The nominal size of a pipe tap is that of the pipe fitting to be tapped and not the actual size of the tap
• NPT threads require the use of a sealant such as teflon tape or pipe compound to ensure a tight joint
• Tin coating increases surface hardness and improves tool life