Thread tapping WALTER PROTOTYP Machine tap Prototex Eco HT <3 5xDn chamfer form B 3 5 5 thread Left-hand thread enlarged core diameter long-chipp

Thread tapping WALTER PROTOTYP Machine tap Prototex Eco HT <3.5xDn chamfer form B 3.5 5 thread Left-hand thread enlarged core diameter long-chipping materials from 500 to 1350 N/mm2 or 42 HRC suitable for minimum quantity lubrication M DIN 13 1P M K N S H O THL DIN 371 6HX Dn M 3 LH M 4 LH M 5 LH M 6 LH M 8 LH M 10 LH P mm 0.5 0.7 0.8 1.25 1.5 l1 js16 mm 56 63 70 80 90 100 c mm 12 13 15 18 20 l3 ±1 mm 18 21 25 30 35 39 d1 h9 mm 3.5 4.5 10 h12 mm 2.7 l9 mm 3.4 4.9 4.9 6.2 11 THL designation E2021382 -M3 -M4 -M5 -M6 -M8 -M10 9 6 6 3 6 8 3 6 8 3 8 9 3 8 3 DIN 376 6HX P l1 js16 Lc l3 ±1 d1 h9 h12 l9 THL designation Dn mm N E2026382 M 12 LH 1.75 110 23 9 7 10 4 -M12 M 16 LH 2 110 25 12 9 12 4 -M16 M 20 LH 2.5 140 30 16 12 15 4 -M20 D 35