® Multi-Function Thread Mills MT Drill - MTD Tools for Internal thread D P Dn If A I th d I thIf D th Df In L Thread length: 2xD Grade P M K N S H ISO K20 MT7 Pitch MmmCoarse Ordering Code d D Dth Df Dn In I th If L 0.7 M4 MTD 06032 B7 0.7 ISO 6 3.30 3.20 4.7 4.9 15 7.7 9.8 54 0.8 M5 MTD 0604 B9 0.8 ISO 6 4.20 4.00 5.5 5.7 18 9.6 11.9 54 1.0 M6 MTD 08048 B12 1.0 ISO 8 5.00 4.80 6.5 6.8 26 12.0 14.8 62 1.25 M8 MTD 10064 B15 1.25 ISO 10 6.75 6.40 8.6 8.9 34 15.1 18.7 74 1.5 M10 MTD 1208 B19 1.5 ISO 12 8.50 8.00 10.5 10.8 35 19.5 23.8 80 UNC PitchTPI UNC Ordering Code d D Dth Df Dn In Ith If L 20 1/4 MTD 08048 B12 20 UN 8 5.20 4.80 6.7 6.9 26 12.7 15.9 62 18 5/16 MTD 10061 B15 18 UN 10 6.60 6.10 8.3 8.6 34 15.5 19.2 74 16 3/8 MTD 12075 B19 16 UN 12 8.00 7.50 10.0 10.3 35 19.1 23.4 80 14 7/16 MTD 12088 B21 14 UN 12 9.40 8.80 11.4 11.6 35 21.8 26.6 80 UNF PitchTPI UNF Ordering Code d D Dth Df Dn In Ith If L 32 10 MTD 06038 B9 32 UN 6 4.10 3.80 5.4 5.6 18 9.5 11.8 54 28 1/4 MTD 08052 B13 28 UN 8 5.50 5.20 6.7 6.9 26 13.0 15.7 62 24 5/16 MTD 10066 B15 24 UN 10 6.90 6.60 8.4 8.7 34 15.9 19.1 74 24 3/8 MTD 12082 B19 24 UN 12 8.50 8.20 10.0 10.3 35 19.0 22.5 80 - Tools without coolant available upon request. - Cylindrical shank DIN6535-HA (Weldon shank, available upon request). Order example: MTD 08048 B12 20 UN MT7 First choice Alternative B10-9