OverallPinBored hole dia.Bored hole dia.Bored hole depthBored hole depthBored hole depthShank
lengthlength (GO)(NOT-GO)(1.5D)(2D)(2.5D)dia.

CPR-S Check Pins for Bored Hole in thread form tapping (Straight Type) Specification ■ CPR-S enables checking of several kinds of bored hole

dia. and checking of depth of bored hole(for thread forming taps, straight type). CPR-S is made from wear resistant HSS material and is applicable for blind hole. For icon explanation, refer to P.50

TYPE:1

Segment:7C

SizeCodeL (mm)ℓ (mm)d1 (mm)d2 (mm)ℓ1 (mm)ℓ2 (mm)ℓ3 (mm)Ds (mm)TypeStock
For Metric Threads
M2×0.4CPRS2.0E41.55.51.791.8434531
M2.5×0.45CPRS2.5F41.55.52.272.343.7556.2531
M2.6×0.45CPRS2.6F41.55.52.372.443.95.26.531
M3×0.5CPRS3.0G4992.752.824.567.541
M4×0.7CPRS4.0I57113.653.72681051
M5×0.8CPRS5.0K65144.594.677.51012.55.51
M6×1CPRS6.0M7316.55.495.59912561
M8×1.25CPRS8.0N99227.367.4912162081
M10×1.5CPRS010O11027.59.229.34152025101
M10×1.25CPRS010N11027.59.359.49152025101
M12×1.75CPRS012P1213311.0911.23182430121
M12×1.5CPRS012O1213311.2211.34182430121
M12×1.25CPRS012N1213311.3611.50182430121
For Unified Threads
No.2-56UNCCPRSUN2E41.55.51.962.043.34.45.531
No.2-64UNFCPRSUN2D41.55.51.982.063.34.45.531
No.3-48UNCCPRSUN3F457.52.252.353.856.331
No.3-56UNFCPRSUN3E457.52.292.373.856.331
No.4-40UNCCPRSUN4H4992.542.644.35.77.141
No.4-48UNFCPRSUN4F4992.592.684.35.77.141
No.5-40UNCCPRSUN5H4992.872.974.86.47.941
No.5-44UNFCPRSUN5G4992.902.994.86.47.941
No.6-32UNCCPRSUN6J57113.113.225.378.851
No.6-40UNFCPRSUN6H57113.193.295.378.851
No.8-32UNCCPRSUN8J57113.783.896.38.310.451
No.8-36UNFCPRSUN8I57113.813.916.38.310.451
No.10-24UNCCPRSUNAM65144.304.447.29.712.15.51
No.10-32UNFCPRSUNAJ65144.444.537.29.712.15.51
No.12-24UNCCPRSUNCM7316.54.965.078.21113.761
No.12-28UNFCPRSUNCK7316.55.035.138.21113.761
1/4-20UNCCPRSU04N7316.55.735.869.512.715.961
1/4-28UNFCPRSU04K7316.55.916.009.512.715.961