Режущие и зажимные инструменты Hoffmann Group 2026 - страница 186

GBP 57 ​ Micro-boring systems for ⌀ 0.3 - 7.1 mm / 19.1 mm Suitable for/ vc [m/min] ISO code N N N P P P P P H H H M M S K N N ​ ​ ​ ​ ​ ​ 23 7621 240 240 240 180 210 170 100 90 80 70 60 110 90 40 150 290 100 ● ● ● ○ Micro-boring heads with plain shank ​ Adjustment accuracy 0.01 mm per graduation / with vernier 0.002 mm on the ⌀. 23 7493/7498 – Digital boring heads with additional precise reading facility on 0.001 mm in ⌀ via digital display unit No. 237601 (order separately). ⌀ adjustment with minimum backlash thanks to direct measuring system. Application: With cutting insert No. 237621, adapter No. 237624 and insert No. 237625. Micro-boring head 23 7490 29W eShop ⌀ 0.3 - 7.1 mm: Micro-boring head 23 7493 29W eShop Digital ⌀ 0.3 - 7.1 mm D1 D3 D2 ⌀ D1 mm 25 ⌀ D3 mm 4 L1 mm 25 L1 23 7490 ⌀ D2 mm 10 Micro-boring head 23 7495 29W eShop ⌀ 0.3 - 19.1 mm: Micro-boring head 23 7498 29W eShop Digital ⌀ 0.3 - 19.1 mm ⌀ D1 mm 32 ⌀ D3 mm 7 23 L1 ⌀ D2 mm mm 32 16 23 7493 Cutter insert / reducer sleeve ​ Size 16 – 7 – Shank ⌀ 16 mm Application: For micro-boring heads. Size 7 – 4 – For micro-boring heads No. 237495 and No. 237598. Reduction of the arbor from 7 mm to 4 mm, for use of cutter inserts No. 237621 size 0.3 – 3.9. Size 16 – 7 – For indexable inserts and adapters in ⌀ 7 mm. In connection with boring heads No. 237513; 237546; 237568 and 237591. L 23 7621 Size 0,3 – 3,9 – Shank - ⌀ 4 mm for direct fitting in head No. 237490 and 237493. Size 5,2 – 6,9 – Shank - ⌀ 7 mm for direct fitting in head No. 237495 and 237498. ⌀ mm 0,3 0,6 1,0 2,2 3,2 3,9 5,2 6,2 6,9 23 7621 29W Cutter insert eShop eShop eShop eShop eShop eShop eShop eShop eShop Shank ⌀ mm 4 4 4 4 4 4 7 7 7 Length L mm 1.2 2.5 4 6 10.2 15.2 20.3 20.3 25.4 Boring range ⌀ mm 0.3 – 0.7 0.6 – 1.1 1 – 2.3 2.2 – 3.3 3.2 – 4.3 3.9 – 7.1 5.2 – 6.3 6.2 – 7.3 6.9 – 12.1 Type 7-4 16-7 23 7626 29W Reducer sleeve eShop eShop 23 7626 Adapter / insert ​ Application: For micro-boring heads No. 237495 and No. 237498. With adaptor allows inserts No. 237625. Boring range ⌀ 6.9 – 19.1 mm. L2 ⌀ Dmin mm 6,9 9,9 23 7624 29W Adapter eShop eShop Type D07 D10 L Shank ⌀ mm 7 23 7624 L2 mm 30 35 Length L mm 56 61 Boring range ⌀ mm 6.9 – 10.1 9.9 – 19.1 ⌀ Dmin mm 6,9 7,9 8,9 9,9 11,9 13,9 23 7625 29W Insert eShop eShop eShop eShop eShop eShop for type D07 D07 D07 D10 D10 D10 maximum bore depth mm 30 30 30 35 35 35 Boring range ⌀ mm 6.9 – 8.1 7.9 – 9.1 8.9 – 10.1 9.9 – 12.1 11.9 – 14.1 13.9 – 19.1 23 7625 186