Режущие и зажимные инструменты Hoffmann Group 2026 - страница 71

GBP 57 ​ Stepped drill 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 ​ ​ ​ ​ ​ 11 8320 ● ● ● ● ● ● ● ○ 11 8324 ● ● ● ○ ● ● ○ Stepped drill ​ Standard HSS-E With cylindrical spotting drill, ⌀ figures shown in the flute. Three drive flats on the shank. Size PG – Combination stepped drill (core and through holes) for conduit threads (to DIN40430) 11 8320_4-20 PG7; PG8; PG11; PG13,5; PG16; PG21 Size MF – Size MF combination stepped drill (core holes and through holes) for metric fine threads (to DIN 60423) M12×1.5; M16×1.5; M20×1.5; M25×1.5; M32×1.5; M40×1.5 11 8324 – Stepped drill with spiral flutes for optimum chip evacuation and high-performance coating for high wear resistance. HSS-E Application: Drilling and deburring, maximum material thickness = step height (see table). 11 8320_PG HSS 11 8324 _4-20 Cutter ⌀ mm 4-12 4-20 6-30 9-36 12-20 20-30 30-40 40-50 50-60 PG MF 11 8320 Stepped drill HSS-E eShop eShop ■ eShop eShop eShop eShop eShop eShop eShop eShop eShop 11C 11 8324 Stepped drill HSS TiAlN eShop eShop eShop eShop eShop eShop eShop – – eShop eShop 11C Step height mm 6 4 4 4 4 4 5 5 5 4 4 Overall length mm 79 70 100 85 75 88 98 112 119 93 94 Shank ⌀ Drill steps in increments of mm mm 6 1 9 2 10 2 12 3 9 1 12 1 13 1 13 1 13 1 12 – 12 – 11 Stepped drill set ​ HSS-E Standard Set of 3 stepped drills and 1 cutting compound No. 118160 in a case. Application: Drilling and deburring of plain holes in material up to 4 / 6 mm strength. Cutter ⌀ DC mm 4-30 11 8330 Stepped drill set HSS-E eShop ■ 11C 11 8332 Stepped drill set HSS TiAlN eShop 11C Drill steps in increments of mm 1 11 8330 Content: No. 118320 size 4 − 12; 12 − 20; 20 − 30 1× each stepped drill (11 8330) 1× each stepped drill (11 8332) No. 118324 size 4 − 12; 12 − 20; 20 − 30 Cutting compound No. 118160 Case ​ 11 8340 Empty case for 3 stepped drills eShop 11B 11 8340 71