Special Thread Taps / Simple Inspection Tools SIT Simple Thread Inspection Tools Spiral Fluted Taps (for blind hole) Size Class Code L ℓ ℓn ℓs Ds K ℓk Type Stock (mm) (mm) (mm) (mm) (mm) (mm) (mm) M7 × 1 For Go ITM67.0MG 12 3 For Not-go 6H 70 34 36 6.2 5 8 △ ITM67.0MN 6 4 M7 × 0.75 For Go ITM67.0JG 9 3 Spiral Fluted Taps (for through hole) For Not-go 6H 70 34 36 6.2 5 8 △ ITM67.0JN 6 4 M8 × 1.25 For Go ITM68.0NG 15 3 For Not-go 6H 70 34 36 6.2 5 8 △ ITM68.0NN 10 4 M8 × 1 For Go ITM68.0MG 12 3 For Not-go 6H 70 34 36 6.2 5 8 △ Spiral Pointed Taps (for through hole) ITM68.0MN 6 4 M8 × 0.75 For Go ITM68.0JG 9 3 For Not-go 6H 70 34 36 6.2 5 8 △ ITM68.0JN 6 4 M9 × 1.25 For Go ITM69.0NG 15 3 For Not-go 6H 75 37 38 7 5.5 8 △ Hand Taps ITM69.0NN 10 4 M9 × 1 For Go ITM69.0MG 12 3 For Not-go 6H 75 37 38 7 5.5 8 △ ITM69.0MN 6 4 M9 × 0.75 For Go ITM69.0JG 9 3 For Not-go 6H 75 37 38 7 5.5 8 △ Cemented Carbide Taps ITM69.0JN 6 4 M10 × 1.5 For Go ITM6010OG 15 3 For Not-go 6H 75 37 38 7 5.5 8 △ ITM6010ON 10 4 M10 × 1.25 For Go ITM6010NG 15 3 For Not-go 6H 75 37 38 7 5.5 8 △ ITM6010NN 10 4 Roll Taps M10 × 1 For Go ITM6010MG 12 3 For Not-go 6H 75 37 38 7 5.5 8 △ ITM6010MN 6 4 M10 × 0.75 For Go ITM6010JG 9 3 For Not-go 6H 75 37 38 7 5.5 8 △ ITM6010JN 6 4 Special Thread Taps Simple Inspection Tools M11 × 1.5 For Go ITM6011OG 19 3 For Not-go 6H 82 40 42 8.5 6.5 9 △ ITM6011ON 10 4 M11 × 1 For Go ITM6011MG 12 3 For Not-go 6H 82 40 42 8.5 6.5 9 △ ITM6011MN 6 4 Pipe Taps M11 × 0.75 For Go ITM6011JG 10 3 For Not-go 6H 82 40 42 8.5 6.5 9 △ ITM6011JN 6 4 M12 × 1.75 For Go ITM6012PG 20 3 For Not-go 6H 82 40 42 8.5 6.5 9 △ ITM6012PN 10 4 Thread Mills M12 × 1.5 For Go ITM6012OG 20 3 For Not-go 6H 82 40 42 8.5 6.5 9 △ ITM6012ON 10 4 M12 × 1.25 For Go ITM6012NG 15 3 For Not-go 6H 82 40 42 8.5 6.5 9 △ ITM6012NN 10 4 M12 × 1 For Go ITM6012MG 12 3 Dies For Not-go 6H 82 40 42 8.5 6.5 9 △ ITM6012MN 6 4 M14 × 2 For Go ITM6014QG 20 3 For Not-go 6H 88 43 45 10.5 8 11 △ ITM6014QN 12 4 M14 × 1.5 For Go ITM6014OG 20 3 Center Drills For Not-go 6H 88 43 45 10.5 8 11 △ ITM6014ON 12 4 M14 × 1.25 For Go ITM6014NG 15 3 For Not-go 6H 88 43 45 10.5 8 11 △ ITM6014NN 12 4 M14 × 1 For Go ITM6014MG 12 3 For Not-go 6H 88 43 45 10.5 8 11 △ Centering Tools ITM6014MN 6 4 M15 × 1.5 For Go ITM6015OG 19 3 For Not-go 6H 95 47 48 12.5 10 13 △ ITM6015ON 10 4 JIS ST-5 ◎=Standard ○=Semi standard △=Made to order 528 For improvement, spec may change without advance notice.