Spiral Fluted Taps (for blind hole)Spiral Fluted Taps(for through hole)Spiral Pointed Taps(for through hole)Hand TapsCementedCarbide TapsRoll TapsSpecial Thread TapsSimple Inspection ToolsPipe TapsThread MillsPremium Thread MillsDiesCenter DrillsCentering Tools Overall Pin Bored hole dia. Bored hole dia. Bored hole depth Bored hole depth Bored hole depth Shanklengthlength(GO)(NOT-GO)(1.5D)(2D)(2.5D)dia.Lℓd1d2ℓ1ℓ2ℓ3Ds⑦ CPC-S Check Pins for Bored Hole in Thread Cut Tapping (Straight Type) JIS Size Code L (mm) ℓ d1 d2 ℓ1(mm)(Thread engagement ratio)(Thread engagement ratio)(mm)ℓ2(mm)ℓ3(mm)Ds(mm)TYPEMSRP5/16-24UNFCPCSU05MA99226.782 (100%)6.907 (90%)11.915.919.881¥4,000 □① 5/16-24UNF CPCSU05MB 99 22 6.850 (95%) 6.964 (85%) 11.9 15.9 19.8 8 1 ¥4,000 □ 5/16-24UNF CPCSU05MC 99 22 6.907 (90%) 7.021 (80%) 11.9 15.9 19.8 8 1 ¥4,000 □ 5/16-24UNF CPCSU05MD 99 22 6.964 (85%) 7.079 (75%) 11.9 15.9 19.8 8 1 ¥4,000 □ 5/16-24UNF CPCSU05ME 99 22 7.021 (80%) 7.136 (70%) 11.9 15.9 19.8 8 1 ¥4,000 □ ② 5/16-24UNF CPCSU05MF 99 22 7.079 (75%) 7.193 (65%) 11.9 15.9 19.8 8 1 ¥4,000 □ 5/16-24UNF CPCSU05MM *5 piece set consists of CPCSU05MB ~ CPCSU05MF ¥20,000 □ 5/16-24UNF CPCSU05MS *5 piece set consists of CPCSU05MA ~ CPCSU05ME ¥20,000 □ 3/8-16UNC CPCSU06PA 110 27.5 7.798 (100%) 7.978 (90%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-16UNC CPCSU06PB 110 27.5 7.892 (95%) 8.064 (85%) 14.3 19.1 23.8 10 1 ¥4,200 □ ③ 3/8-16UNC CPCSU06PC 110 27.5 7.978 (90%) 8.150 (80%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-16UNC CPCSU06PD 110 27.5 8.064 (85%) 8.236 (75%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-16UNC CPCSU06PE 110 27.5 8.150 (80%) 8.322 (70%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-16UNC CPCSU06PF 110 27.5 8.236 (75%) 8.408 (65%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-16UNC CPCSU06PM *5 piece set consists of CPCSU06PB ~ CPCSU06PF ¥21,000 □ ④ 3/8-16UNC CPCSU06PS *5 piece set consists of CPCSU06PA ~ CPCSU06PE ¥21,000 □ 3/8-24UNF CPCSU06MA 110 27.5 8.382 (100%) 8.494 (90%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-24UNF CPCSU06MB 110 27.5 8.437 (95%) 8.551 (85%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-24UNF CPCSU06MC 110 27.5 8.494 (90%) 8.608 (80%) 14.3 19.1 23.8 10 1 ¥4,200 □3/8-24UNFCPCSU06MD11027.58.551 (85%)8.666 (75%)14.319.123.8101¥4,200 □⑤ 3/8-24UNF CPCSU06ME 110 27.5 8.608 (80%) 8.723 (70%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-24UNF CPCSU06MF 110 27.5 8.666 (75%) 8.780 (65%) 14.3 19.1 23.8 10 1 ¥4,200 □ 3/8-24UNF CPCSU06MM *5 piece set consists of CPCSU06MB ~ CPCSU06MF ¥21,000 □ 3/8-24UNF CPCSU06MS *5 piece set consists of CPCSU06MA ~ CPCSU06ME ¥21,000 □ ⑥ 7/16-14UNC CPCSU07QA 121 33 9.144 (100%) 9.345 (90%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-14UNC CPCSU07QB 121 33 9.247 (95%) 9.443 (85%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-14UNC CPCSU07QC 121 33 9.345 (90%) 9.542 (80%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-14UNC CPCSU07QD 121 33 9.443 (85%) 9.640 (75%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-14UNC CPCSU07QE 121 33 9.542 (80%) 9.738 (70%) 16.7 22.2 27.8 12 1 ¥4,300 □ ⑦ 7/16-14UNC CPCSU07QF 121 33 9.640 (75%) 9.836 (65%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-14UNC CPCSU07QM *5 piece set consists of CPCSU07QB ~ CPCSU07QF ¥21,500 □ 7/16-14UNC CPCSU07QS *5 piece set consists of CPCSU07QA ~ CPCSU07QE ¥21,500 □ 7/16-20UNF CPCSU07NA 121 33 9.729 (100%) 9.876 (90%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-20UNF CPCSU07NB 121 33 9.807 (95%) 9.944 (85%) 16.7 22.2 27.8 12 1 ¥4,300 □ ⑧ 7/16-20UNF CPCSU07NC 121 33 9.876 (90%) 10.013 (80%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-20UNF CPCSU07ND 121 33 9.944 (85%) 10.082 (75%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-20UNF CPCSU07NE 121 33 10.013 (80%) 10.151 (70%) 16.7 22.2 27.8 12 1 ¥4,300 □ 7/16-20UNF CPCSU07NF 121 33 10.082 (75%) 10.219 (65%) 16.7 22.2 27.8 12 1 ¥4,300 □7/16-20UNFCPCSU07NM*5 piece set consists of CPCSU07NB ~ CPCSU07NF¥21,500 □⑨ 7/16-20UNF CPCSU07NS *5 piece set consists of CPCSU07NA ~ CPCSU07NE ¥21,500 □ 1/2-13UNC CPCSU08RA 121 33 10.592 (100%) 10.796 (90%) 19.1 25.4 31.8 12 1 ¥4,500 □ 1/2-13UNC CPCSU08RB 121 33 10.691 (95%) 10.902 (85%) 19.1 25.4 31.8 12 1 ¥4,500 □ 1/2-13UNC CPCSU08RC 121 33 10.796 (90%) 11.008 (80%) 19.1 25.4 31.8 12 1 ¥4,500 □ ⑩ 1/2-13UNC CPCSU08RD 121 33 10.902 (85%) 11.114 (75%) 19.1 25.4 31.8 12 1 ¥4,500 □ 1/2-13UNC CPCSU08RE 121 33 11.008 (80%) 11.219 (70%) 19.1 25.4 31.8 12 1 ¥4,500 □ 1/2-13UNC CPCSU08RF 121 33 11.114 (75%) 11.325 (65%) 19.1 25.4 31.8 12 1 ¥4,500 □ 1/2-13UNC CPCSU08RM *5 piece set consists of CPCSU08RB ~ CPCSU08RF ¥22,500 □ 1/2-13UNC CPCSU08RS *5 piece set consists of CPCSU08RA ~ CPCSU08RE ¥22,500 □ ⑪ 1/2-20UNF CPCSU08NA 121 33 11.329 (100%) 11.463 (90%) 19.1 25.4 31.8 12 1 ¥4,500 □ 1/2-20UNF CPCSU08NB 121 33 11.394 (95%) 11.531 (85%) 19.1 25.4 31.8 12 1 ¥4,500 □ JIS ※ = Specified Distribution Items. Made to order products. □=In stock at manufacturer. ⑦-66