Overall Pin Bored hole dia. Bored hole dia. Bored hole depth Bored hole depth Bored hole depth Shank length length (GO) (NOT-GO) (1.5D) (2D) (2.5D) dia. L ℓ d1 d2 ℓ1 ℓ2 ℓ3 Ds CPR-S (for blind hole) Spiral Fluted Taps Check Pins for Bored Hole in thread form tapping (Straight Type) Specification (for through hole) Spiral Fluted Taps ■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 For icon explanation, refer to P.50 HSS material and is applicable for blind hole. TYPE:1 (for through hole) Spiral Pointed Taps Hand Taps Segment:7C Size Code L ℓ d1 d2 ℓ1 ℓ2 ℓ3 Ds Type Stock Carbide Taps Cemented (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) For Metric Threads M2 × 0.4 CPRS2.0E 41.5 5.5 1.79 1.84 3 4 5 3 1 ○ M2.5 × 0.45 CPRS2.5F 41.5 5.5 2.27 2.34 3.75 5 6.25 3 1 ○ M2.6 × 0.45 CPRS2.6F 41.5 5.5 2.37 2.44 3.9 5.2 6.5 3 1 ○ Roll Taps M3 × 0.5 CPRS3.0G 49 9 2.75 2.82 4.5 6 7.5 4 1 ○ M4 × 0.7 CPRS4.0I 57 11 3.65 3.72 6 8 10 5 1 ○ M5 × 0.8 CPRS5.0K 65 14 4.59 4.67 7.5 10 12.5 5.5 1 ○ M6 × 1 CPRS6.0M 73 16.5 5.49 5.59 9 12 5 6 1 ○ Simple Inspection Tools Special Thread Taps M8 × 1.25 CPRS8.0N 99 22 7.36 7.49 12 16 20 8 1 ○ M10 × 1.5 CPRS010O 110 27.5 9.22 9.34 15 20 25 10 1 ○ M10 × 1.25 CPRS010N 110 27.5 9.35 9.49 15 20 25 10 1 ○ M12 × 1.75 CPRS012P 121 33 11.09 11.23 18 24 30 12 1 ○ M12 × 1.5 CPRS012O 121 33 11.22 11.34 18 24 30 12 1 ○ Pipe Taps M12 × 1.25 CPRS012N 121 33 11.36 11.50 18 24 30 12 1 ○ For Unified Threads No.2-56UNC CPRSUN2E 41.5 5.5 1.96 2.04 3.3 4.4 5.5 3 1 ○ No.2-64UNF CPRSUN2D 41.5 5.5 1.98 2.06 3.3 4.4 5.5 3 1 ○ Thread Mills No.3-48UNC CPRSUN3F 45 7.5 2.25 2.35 3.8 5 6.3 3 1 ○ No.3-56UNF CPRSUN3E 45 7.5 2.29 2.37 3.8 5 6.3 3 1 ○ No.4-40UNC CPRSUN4H 49 9 2.54 2.64 4.3 5.7 7.1 4 1 ○ No.4-48UNF CPRSUN4F 49 9 2.59 2.68 4.3 5.7 7.1 4 1 ○ Dies No.5-40UNC CPRSUN5H 49 9 2.87 2.97 4.8 6.4 7.9 4 1 ○ No.5-44UNF CPRSUN5G 49 9 2.90 2.99 4.8 6.4 7.9 4 1 ○ No.6-32UNC CPRSUN6J 57 11 3.11 3.22 5.3 7 8.8 5 1 ○ No.6-40UNF CPRSUN6H 57 11 3.19 3.29 5.3 7 8.8 5 1 ○ Center Drills No.8-32UNC CPRSUN8J 57 11 3.78 3.89 6.3 8.3 10.4 5 1 ○ No.8-36UNF CPRSUN8I 57 11 3.81 3.91 6.3 8.3 10.4 5 1 ○ No.10-24UNC CPRSUNAM 65 14 4.30 4.44 7.2 9.7 12.1 5.5 1 ○ No.10-32UNF CPRSUNAJ 65 14 4.44 4.53 7.2 9.7 12.1 5.5 1 ○ No.12-24UNC CPRSUNCM 73 16.5 4.96 5.07 8.2 11 13.7 6 1 ○ Centering Tools No.12-28UNF CPRSUNCK 73 16.5 5.03 5.13 8.2 11 13.7 6 1 ○ 1/4-20UNC CPRSU04N 73 16.5 5.73 5.86 9.5 12.7 15.9 6 1 ○ 1/4-28UNF CPRSU04K 73 16.5 5.91 6.00 9.5 12.7 15.9 6 1 ○ JIS ◎=Standard ○=Semi standard △=Made to order ST-18 For improvement, spec may change without advance notice. 541