4ENGLISH (Original instructions)Explanation of general view1-1. Red indicator1-2. Button1-3. Battery cartridge2-1. Star marking3-1. Switch trigger4-1. Lamp5-1. Reversing switch lever6-1. Speed change lever7-1. Action mode changing ring7-2. Arrow8-1. Adjusting ring8-2. Graduation8-3. Arrow9-1. Button9-2. LED indicator10-1. Groove10-2. Protrusion10-3. Steel band10-4. Grip base10-5. Side grip11-1. Sleeve12-1. Bit holder12-2. Bit13-1. Depth rod13-2. Clamp screw14-1. Groove14-2. Hook14-3. Screw16-1. Blow-out bulb17-1. Limit mark18-1. Rear cover18-2. Screws19-1. Arm19-2. Spring19-3. Recessed part20-1. Carbon brush cap21-1. Hole21-2. Carbon brush capSPECIFICATIONSModel DHP448 DHP458Drilling into concrete 14 mm 16 mmDrilling into steel 13 mm 13 mmDrilling into wood 65 mm 76 mmFastening wood screw 8 mm x 75 mm 10 mm x 90 mmCapacitiesFastening machine screw 6 mmHigh (2) 0 - 1,800 min -1 0 - 2,000 min -1No load speed Low (1) 0 - 350 min -1 0 - 400 min -1High (2) 0 - 27,000 min -1 0 - 30,000 min -1Blows per minute Low (1) 0 - 5,200 min -1 0 - 6,000 min -1Overall length 225 mmNet weight 2.2 kg 2.3 kgRated voltage D.C. 14.4 V D.C. 18 V• Due to our continuing program of research and development, the specifications herein are subject to change without notice.• Specifications and battery cartridge may differ from country to country.• Weight, with battery cartridge, according to EPTA-Procedure 01/2003ENE079-1Intended useThe tool is intended for impact drilling in brick, concreteand stone. It is also suitable for screw driving anddrilling without impact in wood, metal, ceramic andplastic. ENG905-1NoiseThe typical A-weighted noise level determinedaccording to EN60745:Model DHP448Sound pressure level (LpA) : 82 dB (A)Sound power level (LWA) : 93 dB (A)Uncertainty (K) : 3 dB (A)Model DHP458Sound pressure level (LpA) : 84 dB (A)Sound power level (LWA) : 95 dB (A)Uncertainty (K) : 3 dB (A)Wear ear protectionENG900-1VibrationThe vibration total value (tri-axial vector sum)determined according to EN60745:Model DHP448Work mode: impact drilling into concreteVibration emission (ah,ID) : 8.5 m/s 2Uncertainty (K) : 1.5 m/s 2Work mode: drilling into metalVibration emission (ah,D) : 2.5 m/s 2 or lessUncertainty (K) : 1.5 m/s 2