Режущие и зажимные инструменты Hoffmann Group 2026 - страница 79

GBP 57 Solid h6 h6 h6 carbide Standard 142° DIN DIN 6535 HA 6535 HB Solid carbide NC spotting drill 12 1068 – Self-centring with 1-cutter geometry, achieves very high alignment accuracy. 12 1121 – Extra long version. 12 1070–1121 – Exactly central ground point. Easy spot drilling and high shape accuracy of the centre hole. Sturdy due to short flutes. 12 1070/1110 – ≥ ⌀ 6 mm with HB drive flat. Application: Point angle 142° so that the cutting edges of the following twist drill engage easily. Note: Use speed for the actual hole ⌀ (not generally the speed for the drill outer ⌀). 12 1068 – Maintain a feed rate f = 0.015 mm/rev! 12 1121 – Form HB and HE supplied at the same price as HA. Form HB: order with No. 121120. Form HE: order with No. 121121 + 129100 HE. 1 12 1068 12 1070 12 1110 12 12 1121 L LC ⌀ DC ⌀ DS Suitable for/ vc [m/min] ISO code N N N P P P P P H H H H M M S K N ​ ​ ​ ​ ​ ​ 12 1068/​1070 200 180 80 ● ● ○ 12 1110/​1121 260 240 200 90 80 65 55 35 30 40 90 200 ● ● ● ○ ⌀ DC 12 1068 12 1070 12 1110 12 1121 Lc L ⌀ Ds 11E 11E 11E 11E h6 Solid carbide NC pre- < 1100 N Solid carbide NC spotting drill cision spotting drill f 12 1068 12 1070 12 1068 12 1121 ​ 12 1068 12 1070 142° extra long 142° 142° spiral flutes 142° spiral flutes 12 1110 12 1070 12 1110 spiral flutes 12 1121 12 1110 12 1121 mm TiAlN TiAlN mm mm mm mm mm mm/rev. mm/rev. 1 eShop – – – 4 – 25 – 1 0.015 – 2 eShop eShop eShop eShop 5 6 32 75 2 0.015 0.03 3 eShop eShop eShop eShop 6 8 32 80 3 0.015 0.03 4 eShop eShop eShop eShop 8 10 40 100 4 0.015 0.03 5 eShop eShop eShop eShop 8 13 50 120 5 0.015 0.03 6 eShop eShop eShop eShop 8 13 50 140 6 0.015 0.03 8 eShop eShop eShop eShop 10 23 60 140 8 0.015 0.03 10 eShop eShop eShop eShop 10 24 70 170 10 0.015 0.03 12 eShop eShop eShop eShop 12 24 70 170 12 0.015 0.03 16 eShop eShop eShop eShop 16 29 75 200 16 0.015 0.03 20 eShop eShop eShop eShop 20 35 100 200 20 0.015 0.03 79