® Mini Mill-Thread Trapez-DIN 103 Tools for Internal Thread Grade P M K N S H MT8 ≤ 52 HRc Pitchmm Thread size Ordering Code d D No. ofFlutes l L ThreadDepth 1.5 Tr8x1.5Tr9x1.5MTI 06055 C13 1.5 TR 6 5.5 3 13.5 58 2xD1 2 Tr10x2Tr11x2MTI 08066 C21 2 TR 8 6.6 3 21.0 64 2xD1 2 Tr12x2Tr14x2MTI 10086 D25 2 TR 10 8.6 4 25.0 73 2xD1 3 Tr12x3 MTI 0807 C25 3 TR 8 7.0 3 25.0 64 2xD1 3 Tr14x3Tr22x3MTI 10089 D29 3 TR 10 8.9 4 29.0 73 2xD1 Tr16x4 4 Tr18x4 MTI 10092 C33 4 TR 10 9.2 3 33.0 73 2xD1 Tr20x4 Tr22x5 5 Tr24x5 MTI 14135 D45 5 TR 14 13.5 4 45.0 105 2xD1 Tr26x5 Order example: MTI 08066 C21 2TR MT8 Acme Tools for Internal Thread Inch Shank Grade P M K N S H MT8 ≤ 52 HRc PitchTPI Thread size Ordering Code d D No. ofFlutes I L ThreadDepth 16 1/4-16 MTI 0250 C04 16 ACME 1/4 4.3 3 9.7 64 1.5xD1 14 5/16-14 MTI 0250 C06 14 ACME 1/4 5.2 3 15.2 64 2xD1 12 3/8-127/16-12MTI 0250 C08 12 ACME 1/4 6.1 3 19.1 64 2xD1 10 1/2-10 MTI 0375 D10 10 ACME 3/8 8.3 4 25.4 76 2xD1 8 5/8-8 MTI 0500 D11 8 ACME 1/2 10.4 4 27.9 89 1.5xD1 6 3/4-67/8-6 MTI 0500 D12 6 ACME 1/2 12.0 4 30.5 89 1.5xD1 1-5 5 1 1/8-5 MTI 0625 E15 5 ACME 5/8 15.9 5 38.1 102 1.5xD1 1 1/4-5 Order example: MTI 0375 D10 10 ACME MT8 First choice Alternative B09-16