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Pipe tap tap tap water pipe 1/4 1/8 cone cone tooth throat teeth teeth

G1/8 a box of 5 sets of G1/4-G3/4 are 2 sets of G1 "1 sets"

price:USD$151.50
discount 70% in 2018-09-19 to 2018-09-21
price: USD$ 106.05
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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    Tap water pipe tap for pipe thread tap tap

Texture of material:HSS

Specifications:Split cylindrical pipe thread 55Taper taper pipe thread55°Taper pipe thread 60°

Uses:Internal pipe thread of hinged pipe fittings and general parts

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There are three kinds of machine taps for pipe thread:
G, ZG, Z. (old standard: G, KG, K. New standard R)
G: cylindrical pipe thread, tooth shape angle of 55 degrees
ZG: taper pipe thread, tooth shape angle 55 degrees (these two pitches are basically similar)
Z: taper pipe thread, tooth type angle 60 degrees (pitch is also different from the above two kinds, some books also called this thread ZG60 degrees tube thread).

 Pipe tap has standard:

G  ZG  Z  RC  NPT  R

Standard description:

GZZG is an old standard and a common standard.

RCNPT is a new standard and taps are precise.

If the standard is fuzzy, RC=ZGNPT=Z can be converted equally.

ZNPT two taps are tapered.

The nominal diameter of G1/8- inner hole is 1/8 inches, and the outer diameter of thread is 9.728 millimeters 

The nominal diameter of G1/4- inner hole is 1/4 inches, and the outer diameter of thread is 13.157 millimeters 

The nominal diameter of G3/8- inner hole is 3/8 inches, and the outer diameter of thread is 16.662 millimeters 

The nominal diameter of G1/2- inner hole is 1/2 inches, and the outer diameter of thread is 20.955 millimeters

The nominal diameter of the G3/4- inner hole is 3/4 inches, and the outer diameter of the thread is 26.441 millimeters

The nominal diameter of the inner hole of the G1- is 1 inches, and the outer diameter of the thread is 33.249 mm