Режущие и зажимные инструменты Hoffmann Group 2026 - страница 352

GBP 57 L R Indexable thread mill Application: ■ For parallel internal and external threads; other inserts and taper thread tools available on request. ■ For threads in through holes and blind holes. ■ For universal use cutting left-hand and right-hand threads. ■ No chip clearance problems, since only short chips are produced. ■ Low cutting pressure. 218000 Note: L1 Size 22/25–37/98 – Version with double HB drive flat. DS L Effective ⌀ DW / 21 8000 Insert size L ⌀ Ds Clamping screw 21R Overhang L1 Indexable thread mill mm Weldon shank ​ mm mm ​ 11,5/12 eShop 11 70 12 219923 11,5/20 eShop 11 85 20 219923 17/22 eShop 16 90 16 279810 5 20/43 eShop 16 95 20 279810 5 22/25 eShop 16 125 25 279810 5 30/52 eShop 27 110 25 219925 30/92 eShop 27 150 25 219925 37/58 eShop 27 120 32 219925 37/98 eShop 27 160 32 219925 Full profile Thread milling inserts for thread mill No. 218000 Sturdy inserts. Two usable edges. ■ Wide range of applications thanks to universal chip breaker geometry. ■ High repetition accuracy. Suitable for/ vc [m/min] ISO code N N N P P P P P H H H H H M M K N ​ ​ ​ ​ ​ ​ 21 8005–​21 8024 140 120 80 120 110 100 80 60 80 70 70 120 ● ● 21 M M-LH MF MF-LH 60° Application: 21 8005 Size 2 – For metric internal coarse threads to DIN / ISO (DIN 13) M14, M16. 21 8015 – For metric external threads to DIN / ISO (DIN 13) tolerance class 6g. 21 8005–8009 – For metric internal threads to DIN / ISO (DIN 13) tolerance class 6H. Insert size INOX Pitch mm 0,5 1 1,25 1,5 1,75 2 2,5 3 3,5 4 < 1100 N < 900 N mm fz mm fz mm 21 8005 HB7720 eShop eShop – eShop – eShop – – – – 11 0.1 0.05 21D 21D 21D Thread milling insert 21 8007 for internal threads 60° HB7720 – eShop eShop eShop eShop eShop – – – – 16 0.1 0.05 21 8009 HB7720 – – – eShop – eShop eShop eShop eShop eShop 27 0.1 0.05 Thread milling insert 21 8015 HB7720 – eShop eShop eShop – eShop – – – – 16 0.1 0.05 21D for external threads 60° G BSW G-LH BSW-LH BSP BSP-LH 55° Application: For internal and external threads 55° to standard BS 84: 1956, DIN 259, ISO 228/1:1982. Tolerance medium, class A. Insert size INOX Threads per inch 11 14 19 < 1100 N < 900 N mm fz mm fz mm 21 8020 HB7720 – eShop eShop 11 0.1 0.05 21D 21D 21D Thread milling insert 21 8022 for internal and external threads 55° HB7720 eShop eShop – 16 0.1 0.05 21 8024 HB7720 eShop – – 27 0.1 0.05 352