Threading inserts 30° type (Trapezoidal)

Carbon steel / Alloy steelNP
Stainless steelNM

Cast iron K Non-ferrous metals N Applicable Dimension (mm) thread Tr Thread Profile

Insert Description angle

type

Pitch IC S D1 RE (°)

mm

RE PDX S

RE 16IR 200TR 2 Partial N

9.525 3.68 4 0.2 1.6 30

300TR 3 profile N

PNA IC J27

RE PDX S

RE 22IR 400TR 4 Partial N

12.7 4.9 4.85 0.2 2.5 30

500TR 5 profile N

PNA IC Right-hand shown

Applicable toolholders Applicable threads M : Metric R, Rc (PT) (BSPT) : Tapered Pipe Insert description Applicable toolholders

UN : Unified W : Whitworth J

Applicable Thread

SINR..-16 UNF : Unified Fine Thread NPT : American National Tapered Pipe

16IR...

CINR..-16 G (PF) : Parallel Pipe Tr : 30˚ Trapezoidal

SINR..-22 22IR... CINR..-22

Threading inserts are sold in 5 piece boxes