There was no sign that ailing developer Evergrande paid $83 million in interest payments it owed offshore bondholders.The Thursday deadline for the payment came and went - with complete silence from the firm.Some offshore bondholders told Reuters on condition of anonymity that they had not received their interest payment by deadline in U.S. time.Evergrande now enters a 30-day grace period. It will default if that passes without payment.It has another interest payment due next week, of around $47 million.Shares of embattled Chinese developer Evergrande dipped as much as 12% on Friday.The debt crisis of China's cash-strapped property super giant Evergrande is in plain sight, just an hour's drive away from Shanghai.Residential blocks in Suzhou's Taicang are half-built. Work halted after Evergrande didn't pay its local partners. Workers, who also haven't been paid, for months now, are only performing minimum maintenance."We haven't been paid since April. I don't even have a cent for food."Chinese authorities are worried an ugly collapse at Evergrande could crush the property market, which accounts for 40% of Chinese household wealth.Evergrande has promised to prioritise such investors, and resolved a coupon payment on a domestic bond this week.