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Part #25910520
Legacy #25910520
MFG #6006830
Union Butterfield® Pipe Tap, Straight Flute, Series: 1541, Measurement System: Imperial, 1/4-18 Thread, NPT Thread Standard, Tapered Chamfer, 1-1/16 in Thread Length, 2-7/16 in Overall Length, 4 Flutes, Right Hand Cutting Direction, 0.563 in Shank Diameter, 0.421 in Square, HSS, Bright, Medium Hook
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Product Attributes
Brand : Union Butterfield®
Type : Straight Flute
Series : 1541
Measurement System : Imperial
Size : 1/4-18
Thread Size : 1/4-18
Product Documents
Product Features
- Medium hook for multi-material tapping
- Medium hook for multi-material tapping
- Generally used for pipe fittings and couplings in most ferrous and non-ferrous materials
- 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
- 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
- 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
- Tin coating increases surface hardness and improves tool life


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