Custom and Standard Thread Whirling Inserts for Precision Forms

UTILIS is the world leader in Thread Whirling tooling. With the Multidec whirling system, special forms can easily be produced in a rapid and accurate fashion. Advantages you realize when choosing GenSwiss:

  • 9 or 12 Inserts provide exceptional surface finishes
  • Repeatability > +/-.005mm guarantees quailty threading
  • Industry's fastest lead time for custom forms
  • The know-how of a world class team of technical specialists who understand this exclusive process

Call us today to discuss how you can take advantage of this powerful process in your manufacturing business!


Thread Whirling Inserts: ISO 5835 Buttress Style Threads

Designation ISO 5835 DF d1 d5 tol. p δ e r4 r5 a β ap MAX STOCK Ø
MWI06 164 HA1.5VP... HA1.5 6 1.5 1.1 0/-0.1 0.5 7.3° 0.1 0.3 0.1 35° 3 7
MWI06 164 HA2.0 VP... HA2.0 6 2 1.3 0/-0.1 0.6 6.9° 0.1 0.4 0.2 35° 3 7
MWI06 164 HA2.7 VP... HA2.7 6 2.7 1.9 0/-0.1 1 8.1° 0.1 0.6 0.2 35° 3 7.5
MWI12164 HA1.5 VP... HA1.5 12 1.5 1.1 0/-0.1 0.5 7.3° 0.1 0.3 0.1 35° 4 9
MWI12 164 HA2.0 VP... HA2.0 12 2 1.3 0/-0.1 0.6 6.9° 0.1 0.4 0.1 35° 4 9
MWI12 164 HA2.7 VP... HA2.7 12 2.7 1.9 0/-0.15 1 8.1° 0.1 0.6 0.2 35° 4 9.5
MWI12 164 HA3.5 VP... HA3.5 12 3.5 2.4 0/-0.15 1.25 7.9° 0.1 0.8 0.2 35° 4 10
MWI12 164 HA4.0 VP... HA4.0 12 4 2.9 0/-0.15 1.5 8.1° 0.1 0.8 0.2 35° 4 10.5
MWI12 164 HA4.5 VP... HA4.5 12 4.5 3 0/-0.15 1.75 8.6° 0.1 1 0.3 35° 4 11

Thread Whirling Inserts: Standard 60 degree form - Metric Threads

Designation ISO DIN13 DF d dk p δ r a ap MAX STOCK Ø
MWI06 164 M1.4VP... M1.4 6 1.4 1.012 0.3 4.53° .033 60° 3 6.5
MWI06 164 M1.6 VP... M1.6 6 1.6 1.151 0.35 4.63° .041 60° 3 7
MWI06 164 M2x0.25 VP... M2x0.25 6 2 1.693 0.25 2.5° .036 60° 3 7.5
MWI06 164 M2 VP... M2 6 2 1.509 0.4 4.17° .048 60° 3 7
MWI06 164 M3x0.35 VP... M3x0.35 6 3 2.571 0.35 2.3° .051 60° 3 8.5
MWI06 164 M3 VP... M3 6 3 2.387 0.5 3.39° .062 60° 3 8
MWI12 164 M1.6 VP... M1.6 12 1.6 1.151 0.35 4.63° .041 60° 4 9
MWI12 164 M2x0.25 VP... M2x0.25 12 2 1.693 0.25 2.5° .036 60° 4 9.5
MWI12 164 M2 VP... M2 12 2 1.509 0.4 4.17° .048 60° 4 9
MWI12 164 M2.5 VP... M2.5 12 2.5 1.928 0.45 3.7° .055 60° 4 9.5
MWI12 164 M3x.035 VP... M3x.035 12 3 2.571 0.35 2.3° .051 60° 4 10.5
MWI12 164 M3 VP... M3 12 3 2.387 0.5 3.39° .062 60° 4 10
MWI12 164 M3.5 VP... M3.5 12 3.5 2.744 0.6 3.5° .077 60° 4 8.5
MWI12 164 M4x0.35 VP... M4x0.35 12 4 3.387 0.35 2.5° .072 60° 4 11
MWI12 164 M4 VP... M4 12 4 3.141 0.7 3.58° .091 60° 4 11
MWI12 164 M5x0.5 VP... M5x0.5 12 5 4.387 0.5 1.9° .072 60° 4 12
MWI12 164 M5 VP... M5 12 5 4.019 0.8 3.24° .105 60° 4 11.5
MWI12 164 M6x0.75 VP... M6x0.75 12 6 5.08 0.75 2.5° .108 60° 4 13
MWI12 164 M6 VP... M6 12 6 4.773 1 3.39° .134 60° 4 12.5
MWI12 164 M7 VP... M7 12 7 5.753 1 2.86° .134 60° 4 13.5
MWI12 164 M8x0.75 VP... M8x0.75 12 8 7.08 0.75 1.8° .108 60° 4 15
MWI12 164 M8 VP... M8 12 8 6.466 1.3 3.15° .170 60° 4 14
MWI12 164 M8x1 VP... M8x1 12 8 6.773 1 2.5° .144 60° 4 14.5
MWI12 164 M10x0.75 VP... M10x0.75 12 10 9.08 0.75 1.4° .108 60° 4 17
MWI12 164 M10x1.0 VP... M10x1.0 12 10 8.773 1 1.9° .144 60° 4 16.5
MWI12 164 M10x1.25 VP... M10x1.25 12 10 8.466 1.25 2.5° .180 60° 4 16
MWI12 164 M10 VP... M10 12 10 8.16 1.5 3.01° .207 60° 4 16

Thread Whirling Inserts: Standard ANSI spec UNF Thread Forms

Designation ANSI B1.1 DF d dk p δ r a ap MAX STOCK Ø
MWI12 164 00-80UNF VP... 00-80 12 .060" .044" 80 TPI 4.38° .0014" 60° 4 9
MWI12 164 01-72UNF VP... 01-72 12 .072" .055" 72 TPI 3.95° .0016" 60° 4 9.5
MWI12 164 02-64UNF VP... 02-64 12 .086" .066" 64 TPI 4.90° .0018" 60° 4 9.5
MWI12 164 03-56UNF VP... 03-56 12 .099" .076" 56 TPI 3.71° .0021" 60° 4 10
MWI12 164 04-48UNF VP... 04-48 12 .112" .085" 48 TPI 3.84° .0025" 60° 4 10.5
MWI12 164 05-44UNF VP... 05-44 12 .125" .096" 44 TPI 3.74° .0028" 60° 4 11
MWI12 164 06-40UNF VP... 06-40 12 .138" .106" 40 TPI 3.72° .0032" 60° 4 11
MWI12 164 08-36UNF VP... 08-36 12 .164" .129" 36 TPI 3.45° .0036" 60° 4 12
MWI12 164 10-32UNF VP... 10-32 12 .190" .151" 32 TPI 3.34° .0041" 60° 4 10.5
MWI12 164 12-28UNF VP... 12-28 12 .216" .171" 28 TPI 3.36° .0047" 60° 4 11
MWI12 164 1/4-28UNF VP... 1/4-28 12 .250" .205" 28 TPI 2.86° .0047" 60° 4 14
MWI12 164 5/16-24UNF VP... 5/16-24 12 .312" .261" 24 TPI 2.65° .0056" 60° 4 15.5
MWI12 164 3/8-24UNF VP... 3/8-24 12 .375" .323" 24 TPI 2.18° .0056" 60° 4 17Q.5

Thread Whirling Inserts: Standard ANSI spec UNC Thread Forms

Designation ANSI B1.1 DF d dk p δ r a ap MAX STOCK Ø
MWI12 164 01-64UNC VP... 01-64 12 .073" .053" 64 TPI 4.51° .0018" 60° 4 9.5
MWI12 164 02-56UNC VP... 02-56 12 .085" .063" 56 TPI 4.35° .0021" 60° 4 10
MWI12 164 03-48UNC VP... 03-48 12 .099" .072" 48 TPI 4.42° .0025" 60° 4 10
MWI12 164 04-40UNC VP... 04-40 12 .112" .077" 40 TPI 4.73° .0032" 60° 4 10.5
MWI12 164 05-40UNF VP... 05-40 12 .125" .093" 40 TPI 4.17° .0032" 60° 4 11
MWI12 164 06-32UNC VP... 06-32 12 .137" .098" 32 TPI 4.8° .0041" 60° 4 11
MWI12 164 08-32UNC VP... 08-32 12 .164" .124" 32 TPI 3.94° .0041" 60° 4 12
MWI12 164 10-24UNC VP... 10-24 12 .190" .138" 24 TPI 4.62° .0056" 60° 4 12.5
MWI12 164 12-24UNC VP... 12-24 12 .215" .163" 24 TPI 3.99° .0056" 60° 4 13
MWI12 164 1/4-20UNC VP... 1/4-20 12 .250" .187" 20 TPI 4.16° .0068" 60° 4 14
MWI12 164 5/16-18UNC VP... 5/16-18 12 .312" .244" 18 TPI 3.63° .0076" 60° 4 15.5
MWI12 164 3/8-16UNC VP... 3/8-16 12 .375" .296" 16 TPI 3.39° .0086" 60° 4 17