Australian golfers Scott Arnold, Brett Rankin and James Nitties are in a four-way tie for the lead at the midway point of the New Zealand PGA Championship in Auckland.

Kiwi Josh Geary shot a seven-under-par 65 in his second round to be level with the Aussie trio on 11-under-par.

One stroke back is two-time champion Michael Hendry, fellow New Zealander Mark Brown and South African Dylan Frittelli