Режущие и зажимные инструменты Hoffmann Group 2026 - страница 970

GBP 57 G 2.5 ≤3µm ISO Form 25000 HSC 7388-1 AD min-1 ER collet chuck, ultra-short − (formerly DIN 69871) Taper ground internally and externally. Ultra-short type with internal precision clamping nut. Best suited to working in restricted working areas, with higher stability. Application: For clamping tools with parallel shank in collets to DIN 6499 Form A and B. Supplied with: ER clamping nut (internal). Optional extras: ER collets No. 308941 − 309448, Pull studs (PS) No. 308600 − 308806, PS wrenches No. 308820 – 308835. 30 0445 Note: Matching clamping nut No. 309621. for ER collet size ​ 16 25 32 40 30 0445 SK 40 eShop eShop eShop – 31A 31A D ER collet chuck, ultra-short 30 0446 SK 50 – eShop eShop eShop Dimension A mm 27 25 30 29 ⌀ D mm 24 32 40 50 A G 2.5 ≤3µm ISO Form 25000 7388-1 ADB min-1 OZ collet chuck − (formerly DIN 69871) External and internal taper ground. Ball-bearing power-clamping nut. For higher clamping force and improved radial run-out. GARANT − With RFID / Balluffchip bore. All shanks hard turned (for smooth running!). Clamping nut balanced (G 2.5 / 25,000 rpm). Application: For clamping tools with plain shank in collets to DIN 6388 - Form A and B. 30 0695 Supplied with: Clamping nut Optional extras: Pull studs (PS) No. 308600 − 308806, PS wrench No. 308820; 308835, OZ collets No. 309540 − 309565, Hook spanner No. 628400. Clamping range mm 2-16 2-25 OZ collet chuck SK 40 30 0695 eShop eShop 31A Form ADB A = 70 ⌀ D mm 43 60 Spare clamping nut No. 309670 2 – 16 2 – 25 Suitable C-hook (pin) spanner No. 628400 40 / 42 58 / 62 G 6.3 ≤5µm ISO Form 15000 HPC 7388-1 AD min-1 ​Heavy-duty chuck – DIN ISO 7388-1 (formerly DIN 69871) 30 0775 ■ Low friction due to needle bearings. ■ Protected with anti-corrosion coating. ■ Dust-tight and watertight. ■ Very high clamping force prolongs tool life and improves surface quality. ■ Flexible clamping range by means of collets. 30 0785/0787 – ■ Centred tool clamping with optimum concentricity. 30 0785 ■ Internal coolant feed. Application: For clamping tools with plain shanks. Supplied with: Clamping nut. Optional extras: Pull studs No. 308600 − 308806. 30 0775/0778 – Collets No. 309566 − 309570. 30 0785/0787 – Collets No. 309575 − 309576. T-slots collect the oil and grease. Internal axial recesses ⌀ D1 mm 20 32 effectively prevent the tool slipping. 30 0775 SK 40 eShop eShop 33K 33K 32A 32A 30 0778 30 30 0785 Heavy-duty chuck SK 50 SK 40 eShop eShop eShop eShop 30 0787 SK 50 eShop eShop Dimension A (30 0775, 30 0778, 30 0785) mm 90 105 Dimension A (30 0787) mm 105 30 0785 ⌀ D (30 0775, 30 0778) mm 52 66 ⌀ D (30 0785, 30 0787) mm 52 73 Clamping force up to (30 0775, 30 0778) Nm 500 900 Absolutely smooth High radial stiffness due to repetition Clamping force up to (30 0785, 30 0787) Nm 1000 4000 running of the accuracy of the clamping compared to Suitable C-hook (pin) spanner No. 628400 52 / 55 68 / 75 clamping nut. flat face contact seating. 970