20mm diameter metal ball with internal thread m5 threaded hole for small head 1/4 screw rod metal adapter steel ball head
Ball diameter 20mm/0.787inch,threaded hole M5
Screw Length 28mm/1.1inch,Thread 1/4in to M5
Material: carbon steel
Packing: 2 sets of 20mm diameter metal ball head for head with m5 threaded hole 1/4in to m5 screw rod metal adapters