WhizThread

Threading

WhizThread delivers impeccable surface finish and reduces cycle times for threading, all thanks to its stable design with four precision-ground cutting edges.
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PRECISION FOR PERFECT THREADING

WhizThread’s innovative design features four precision-ground cutting edges, which provide exceptional stability during the threading process. This stability is crucial as it minimizes vibrations and tool deflection, leading to a smoother and more consistent cut. As a result, the surface finish of the threaded component is significantly improved, achieving a high level of precision and quality.

Advantages of WhizThread

  • Precision-ground threading inserts ranging from 0,2-2,0 mm pitch (120, 12 TPI). 
  • Tangential mounting for better stability. 
  • Threading tools with four cutting edges. 
  • Capable of threading up to the shoulder. 
  • Exceptional performance for Trapezoidal and ACME threads. 
WhizThread threading TST13ER 1212K-2 with T13EN 20ACME

BOOSTING STABILITY

The enhanced stability allows for faster machining speeds and feeds, reducing the overall cycle time. This means that not only is the quality of the finished product superior, but the efficiency of the production process is also greatly increased. In essence, WhizThread combines high performance with time-saving benefits, making it an excellent choice for precision threading applications.

TR, ACME and Stub ACME

These threading inserts feature additional side clearance along the profile while maintaining exceptional stability.

  • Perfect for all tolerance classes: All inserts are made according to ISO and AISI standards.
  • Great clearance: Even when helix angle varies at major and minor diameters.
  • Good surface finish: Thanks to sufficient clearance.
  • Outstanding stability: Compared to traditional design threading inserts.
  • Productivity increases: Use higher speeds and feeds thanks to the combination of high stability and reliefs.
  • Customized inserts: Can also be made with similar benefits, for module and other thread types.
Four cutting edges - maximum stability

WhizGuide

Select your holders with the ideal cutting angle

1

Cutting angle: +2°, +4°,+6°

  • The secret of threading really small parts is to select the correct cutting angle of the toolholder.
  • WhizThread tool holders are available with a 2°, 4° and +6° or bigger cutting angle.
2

Pitch and diameter

  • The WhizGuide-table recommends an appropriate toolholder, depending on part thread and diameter.
  • If you have a very high pitch-to-diameter-ratio we advice special toolholders.
WhizThread tool holder recommendation by diameter (mm)

Diameter mm

Toolholder Recommendation WhizThread

Find my threading tool

Choose your material group and thread designation. The tool selector recommends the right insert and tool holder, complete with cutting data.

Thread profile: -

Recommended insert: -

Recommended toolholder angle: -

Optimal cutting speed: -

Recommended passes: -

Profile height: -

Differences between small and large thread profile inserts

Insert with small thread profiles (ER) 0,20-1,0 ISO and 120-24 UN
WhizThread T13ER threading example
Insert with large thread profiles (EN) ≥1,25 ISO and ≤20 UN
WhizThread T13EN threading example

Product tables

Threading inserts — WhizThread

ISO threading
T-ISO
UN threading
T-UN
UNJ threading
T-UNJ
NPT threading
T-NPT
NPTF threading
T-NPTF
Withworth threading
T-Withworth
Partial profile threading
Partial profile
TR motion threading
T-Tr
ACME threading
T-ACME
STACME motion threading
T-STACME

Inserts for full profile threading | T-ISO

Filter inserts:

InsertsPitch mmtL8MB8C8F8ND8NF8
T13EL 0,5ISO0,50,313○○-○○-
T13ER 0,2ISO0,20,1513●●----
T13ER 0,25ISO0,250,213●●-●--
T13ER 0,3ISO0,30,213●●-●--
T13ER 0,35ISO0,350,2513●●-●--
T13ER 0,4ISO0,40,2513●●-●--
T13ER 0,45ISO0,450,313●●-●--
T13ER 0,5ISO0,50,313●●○●○-
T13ER 0,6ISO0,60,3513●●○●○-
T13ER 0,7ISO0,70,413●●○●○-
T13ER 0,75ISO0,750,413●●○●○○
T13ER 0,8ISO0,80,4513●●○●○○
T13ER 1,0ISO10,5513●●○●●●
T13EN 1,25ISO1,251,113●○○○●●
T13EN 1,5ISO1,51,113●○○○●●
T13EN 1,75ISO1,751,113●○○○●●
T13EN 2,0ISO21,113●○○○●●
WhizThread threading ISO UN
WhizThread drawing T13ER 1-0 ISO

Images shows small thread profiles (ER)

Inserts for full profile threading UNC, UNF, UNEF, UNS | T-UN

Filter inserts:

InsertsTPItL8MB8C8F8ND8NF8
T13ER 120UN1200,1513●●-●--
T13ER 96UN960,213○○-○--
T13ER 90UN900,213●●-●--
T13ER 80UN800,213●●○●--
T13ER 72UN720,2513●●○●--
T13ER 64UN640,2513●●○●--
T13ER 56UN560,313●●○●--
T13ER 48UN480,3513●●○●--
T13ER 44UN440,3513●●○●--
T13ER 40UN400,413●●○●--
T13ER 36UN360,413●●○●--
T13ER 32UN320,4513●●○●--
T13ER 28UN280,513●●○●--
T13ER 24UN240,5513●●○●●●
T13EN 20UN201,113●○○○●●
T13EN 18UN181,113●○○○●●
T13EN 16UN161,113●○○○●●
T13EN 14UN141,113●○○○●●
T13EN 13UN131,113●○○○●●
T13EN 12UN121,113●○○○●●
WhizThread threading ISO UN
WhizThread drawing T13ER 24UN

Images shows small thread profiles (ER)

Inserts for full profile threading UNJC, UNJF, UNJEF, UNJS | T-UNJ

Filter inserts:

InsertsTPItL8MB8C8F8ND8NF8
T13ER 80UNJ800,213○○-○--
T13ER 72UNJ720,2513○○-○--
T13ER 64UNJ640,2513○○-○--
T13ER 56UNJ560,313○○-○--
T13ER 48UNJ480,3513●●○●--
T13ER 40UNJ400,413●●○●--
T13ER 36UNJ360,413●●○●--
T13ER 32UNJ320,4513●●○●--
T13ER 28UNJ280,513●●○●--
T13ER 24UNJ240,5513●●○●--
T13EN 20UNJ201,113●○○○●●
T13EN 18UNJ181,113●○○○●●
T13EN 16UNJ161,113●○○○●●
T13EN 14UNJ141,113●○○○●●
T13EN 13UNJ131,113●○○○●●
T13EN 12UNJ121,113●○○○●●
WhizThread threading ISO UN
WhizThread drawing T13ER 24UNJ

Images shows small thread profiles (ER)

Inserts for full profile pipe thread | T-NPT, T-NPTF, T-Withworth

Filter inserts:

InsertsThread typeNormTPItL8MB8C8F8ND8NF8
T13ER 27NPTNPT1/16-1/8270,5513●●○●○○
T13EN 18NPTNPT1/4-3/8181,113●○○○●●
T13EN 14NPTNPT1/2-3/4141,113●○○○●●
T13ER 27NPTFNPTF1/16-1/8270,5513○○○○--
T13EN 18NPTFNPTF1/4-3/8181,113○○○○○○
T13EN 14NPTFNPTF1/2-3/4141,113○○○○○○
T13ER 60WWhitworth1/16600,313○○-○--
T13ER 48WWhitworth3/32480,3513○○-○--
T13ER 40WWhitworth1/8400,413○○-○--
T13ER 32WWhitworth5/32-3/16320,4513○○-○--
T13ER 28WWhitworth1/16-1/8280,5513●●○●○○
T13ER 26WWhitworth1/4-9/32260,5513○○-○--
T13ER 24WWhitworth3/16-7/32240,5513○○-○--
T13ER 22WWhitworth5/16220,613○○-○--
T13EN 20WWhitworth1/4-3/8201,113○○-○--
T13EN 19WWhitworth1/4-3/8191,113●○○○●●
T13EN 18WWhitworth5/16-7/16181,113○○-○--
T13EN 16WWhitworth3/8-9/16161,113○○-○--
T13EN 14WWhitworth1/2-7/8141,113●○○○●●
T13EN 12WWhitworth1/2-3/4121,113○○-○--
WhizThread threading ISO UN
WhizThread drawing T13EN 14W

Image shows large thread profiles (EN)

Inserts for partial profile threading | Style V

Filter inserts:

InsertsVPitch MetricPitch TPIRtL8MB8C8F8ND8NF8ISOUN
T13ER V55-02-0255°0,2-0,4128-640,020,213●●○●--0,2, 0,25, 0,3, 0,35, 0,4128, 120, 112, 100, 96, 90, 80, 72, 64
T13ER V55-05-0255°0,2-1,0128-240,020,513●●○●--0,2, 0,25, 0,3, 0,35, 0,4, 0,5, 0,6, 0,7, 0,75, 0,8, 1,0128, 120, 112, 100, 96, 90, 80, 72, 64, 56, 48, 44, 40, 36, 32, 28, 24
T13ER V60-01-0160°0,1-0,2256-1200,010,113●●○●--0,1, 0,2254, 128, 120
T13ER V60-02-0260°0,2-0,4128-640,020,213●●○●--0,2, 0,25, 0,3, 0,35, 0,4128, 120, 112, 100, 96, 90, 80, 72, 64
T13ER V60-05-0260°0,2-1,0128-240,020,513●●○●--0,2, 0,25, 0,3, 0,35, 0,4, 0,5, 0,6, 0,7, 0,75, 0,8, 1,0128, 120, 112, 100, 96, 90, 80, 72, 64, 56, 48, 44, 40, 36, 32, 28, 24
T13ER V60-05-0560°0,4-1,064-240,050,513●●○●--0,4, 0,5, 0,6, 0,7, 0,75, 0,8, 1,072, 64, 56, 48, 44, 40, 36, 32, 28, 24
T13EN V55-11-1055°0,7-2,036-120,11,113●●○●○○0,7, 0,75, 0,8, 1,0, 1,25, 1,5, 1,75, 2,036, 32, 28, 24, 18, 16, 14, 12
T13EN V60-11-0560°0,4-2,064-120,051,113●●○●○○0,4, 0,5, 0,6, 0,7, 0,75, 0,8, 1,0, 1,25, 1,5, 1,75, 2,072, 64, 56, 48, 44, 40, 36, 32, 28, 24, 18, 16, 14, 12
T13EN V60-11-1060°0,7-2,036-120,11,113●●○●●●0,7, 0,75, 0,8, 1,0, 1,25, 1,5, 1,75, 2,036, 32, 28, 24, 18, 16, 14, 12
T13EN V80-11-1480°-0,141,113○○○○○○
T13EN V90-1190°-C 0,101,113●●○○○○
T13EN V90-11 has a 0,1 mm flat instead of a radius.
WhizThread threading partial profile V
WhizThread drawing T13EN V60-11-10

Image shows large thread profiles (EN)

Inserts for motion threads | T-TR, T-ACME, T-STACME

Filter inserts:

InsertsThread typePitch mmTPItL8MB8F8ND8NF8
T13EN 1,5TRTR1,5-1,113○○○●●
T13EN 2,0TRTR2-1,113○○○●●
T13EN 2,5TRTR2,5-1,113○○○●●
T13EN 16ACMEACME-161,113○○○●●
T13EN 14ACMEACME-141,113○○○●●
T13EN 12ACMEACME-121,113○○○●●
T13EN 10ACMEACME-101,113○○○●●
T13EN 16STACMESTACME-161,113○○○●●
T13EN 14STACMESTACME-141,113○○○●●
T13EN 12STACMESTACME-121,113○○○●●
T13EN 10STACMESTACME-101,113○○○●●
WhizThread threading TR ACME STACME
WhizThread drawing T13EN 2.5 TR