CE V S PHG 250 0910 Cop yright 2010 b y Wur th 12 0276 Loc k w asher according t o DIN 25201 pre v ents loosening of scre w connections subject t o lat eral vibrating loads Gal v anized s t eel y ello w passiv at ed A2C F unction Str ong w edge locking e ect thr ough the rise of the cams betw een the tw o w ashers The scr e w connection is secur ed b y tension r a ther than friction Adv ant ag es Maximum security when locking scr e w connections No loosening under vibr ation and dynamic loads Simple assembly and disassembly No impairment b y lubricants Assur es locking function at high or lo w pr e s t r essing for ces T e mper atur e r ange for use identical t o that of the scr e w Gentle on sur face nish R eusable Vibration Test Screw with clamp length of 25 mm Clamping power kN Time seconds Standar d nut M8 with Nor dLock at 70 of appar ent yield point Standar d nut M8 on scr e w with clamping length of 50 mm Nut with plas tic inser t DIN 985 Lock w asher Standar d nut M8 Standar d nut M8 with Nor dLock at 25 of appar ent yield point Areas of application Aut omobile indus tr y machine building manufactur ers of compr essed air and electric po w er t ools mining agricultur al machiner y mixing plants tr anspor t and con v e ying sy s t ems NORD LOC K LOC K W A S H E R S Thread O d mm d1 mm h mm S t eel y ello w pass A2C P Qty M 4 44 76 18 401700204 100 M 5 54 9 18 401700205 100 M 6 65 108 18 401700206 100 M 8 87 135 25 401700208 100 M 10 107 166 25 401700210 100 M 12 13 195 25 401700212 50 M 14 152 23 34 401700214 50 M 16 17 254 34 401700216 50 M 18 195 29 34 401700218 50 M 20 214 307 34 401700220 50 N o rd Loc k W asher Assor tment Ar t N o 964401 Contents 70 pieces 16 assor ted sizes M4M20