OverallPinBored hole dia.Bored hole dia.d1d2 ShankSize ofLength of
lengthlength (GO)(NOT-GO)lengthlength dia.squaresquare

CPR-T

Check Pins for Bored Holes in thread form tapping (Taper Type)

Specification

■ One CPR-T enables simple checking of bored hole dia. (for thread forming taps, taper type).CPR-T is made from wear resistant HSS material is applicable for through hole and for blind hole having enough space in the bottom. For icon explanation, refer to P.50

TYPE:1 TYPE:2

Segment:7C

SizeCodeLddDsKℓkTypeStock
1212
(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm)

For Metric Threads M2 × 0.4 ○

CPRT2.0E 42 7 1.79 1.84 1 6 3 2.5 5 1

M2.5 ×0.45 ○

CPRT2.5F 46 8 2.27 2.34 1.5 6.5 3 2.5 5 1

M2.6 ×0.45 ○

CPRT2.6F 46 8 2.37 2.44 1.5 6.5 3 2.5 5 1

M3 × 0.5 ○

CPRT3.0G 46 8.5 2.75 2.82 1.5 7 4 3.2 6 1

M4 × 0.7 ○

CPRT4.0I 52 10.5 3.65 3.72 2.25 8.25 5 4 7 1

M5 × 0.8 ○

CPRT5.0K 59.5 12.5 4.59 4.67 2.5 10 5.5 4.5 7 1

M6 × 1 ○

CPRT6.0M 61.5 16.5 5.49 5.59 3.75 12.75 6 4.5 7 1

M8 × 1.25 ○

CPRT8.0N 90 19.4 7.36 7.49 4.7 14.7 8 6 9 2

M10 × 1.5 ○

CPRT010O 100 23.4 9.22 9.34 6.7 16.7 10 8 11 2

M10 × 1.25 ○

CPRT010N 100 23.4 9.35 9.49 6.7 16.7 10 8 11 2

M12 × 1.75 ○

CPRT012P 110 27.4 11.09 11.23 7.7 19.7 12 9 12 2

M12 × 1.5 ○

CPRT012O 110 27.4 11.22 11.34 7.7 19.7 12 9 12 2

M12 × 1.25 ○

CPRT012N 110 27.4 11.36 11.50 7.7 19.7 12 9 12 2

For Unified Threads

No.2-56UNCCPRTUN2E4681.962.041.56.532.551
No.2-64UNFCPRTUN2D4681.982.061.56.532.551
No.3-48UNCCPRTUN3F4682.252.351.56.532.551
No.3-56UNFCPRTUN3E4682.292.371.56.532.551
No.4-40UNCCPRTUN4H468.52.542.641.5743.261
No.4-48UNFCPRTUN4F468.52.592.681.5743.261
No.5-40UNCCPRTUN5H468.52.872.971.5743.261
No.5-44UNFCPRTUN5G468.52.902.991.5743.261
No.6-32UNCCPRTUN6J5210.53.113.222.258.255471
No.6-40UNFCPRTUN6H5210.53.193.292.258.255471
No.8-32UNCCPRTUN8J5210.53.783.892.258.255471
No.8-36UNFCPRTUN8I5210.53.813.912.258.255471
No.10-24UNCCPRTUNAM59.512.54.304.442.5105.54.571
No.10-32UNFCPRTUNAJ59.512.54.444.532.5105.54.571
No.12-24UNCCPRTUNCM61.516.54.965.073.7512.7564.571
No.12-28UNFCPRTUNCK61.516.55.035.133.7512.7564.571
1/4-20UNCCPRTU04N61.516.55.735.863.7512.7564.571
1/4-28UNFCPRTU04K61.516.55.916.003.7512.7564.571