Режущие и зажимные инструменты Hoffmann Group 2026 - страница 211

GBP 57 HSS DIN 3 334 60° h9 Countersink 60° 15 0815 15 0817 – Three drive flats on the shank for use in a 3-jaw chuck. 15 0815/0817 – High-precision 60° countersink with unequal spacing. Special geometry with extremely unequal spacing and matching cutting edge preparation. Radially relief ground. Flutes ground from solid. h9 Newly developed special TiAlN coating for long service life. 15 0820/0840 – The chip flutes are ground from solid. Countersink point and circumference are 15 0817 relief ground and cut easily. This results in easy and chatter-free cutting for deep countersinking, as well as for deburring or countersinking. Advantage: 15 0815/0817 – Very smooth cutting throughout the entire countersinking operation. h9 Chatter-free running for perfect results and optimum tool service life. Application: 15 0820 15 0815/0817 – High-precision countersinks for production of exactly round 60° countersunk surfaces. 15 0820/0840 – For chatter-free countersinking and deburring. Especially suitable for chamfering tapped holes and for h9 countersinking in jig and tool making. 15 0840 L Extremely unequal spacing (cutting 15 0815 edges arranged at unequal intervals) ⌀ DC ⌀ DS 15 0817 Suitable for/ vc [m/min] ISO code N N N P P P P P H H H M M S K N N ​ ​ ​ ​ ​ ​ 15 0815/​0817 75 75 50 65 50 30 18 8 8 16 10 12 25 60 ○ ● ● ○ 15 0820 70 33 28 27 27 ● ○ 15 0840 85 40 25 34 32 32 9 ● ● ○ External ⌀ Dc 15 0815 15 0817 15 0820 15 0840 smallest countersink L ⌀ Ds 15 11M 11M 11M 11M ⌀ for holes from High-precision < 500 N High-precision countersink Countersink f countersink with unequal spacing Form C with unequal spacing with 3 drive flats ​ ​ ​ 15 0815 15 0820 60° 15 0817 15 0840 mm TiAlN TiAlN TiN mm mm mm mm/rev. mm/rev. 6,3 eShop eShop eShop eShop 1.6 45 5 0.1 0.09 8 eShop eShop eShop eShop 2 50 6 0.1 0.09 10 eShop eShop eShop eShop 2.5 50 6 0.13 0.12 12,5 eShop eShop eShop eShop 3.2 56 8 0.13 0.12 16 eShop eShop eShop eShop 4 63 10 0.18 0.14 20 eShop eShop eShop eShop 5 67 10 0.22 0.16 25 eShop eShop eShop eShop 6.3 71 10 0.25 0.2 Solid h9 3 60° carbide Standard Countersink 60° for stainless and acid-resistant steel Very sturdy design, special geometry for heavy-duty use, with chatter-free countersinking and deburring. Tool material: Size 8 – of solid carbide. Size. 10 – 25 – solid carbide head with brazed shank. Design similar to DIN 344-C. 15 0855 Suitable for/ vc [m/min] ISO code N N N P P P P P H H H H H M M S K N ​ ​ ​ ​ ​ 15 0855 65 60 30 18 8 8 16 10 16 25 ● External ⌀ Dc 15 0855 smallest countersink L ⌀ Ds 11M INOX ⌀ for holes from Countersink < 900 N solid carbide f mm 60° mm mm mm mm/rev. 8 eShop 2 50 6 0.1 10 eShop 2.5 50 8 0.12 12,5 eShop 3.2 56 8 0.14 16 eShop 4 63 10 0.14 20 eShop 5 67 10 0.16 25 eShop 6.3 71 10 0.2 211