Screw thread inside
 Pin in the middle
 Diameter:about 6mm

 Screw thread outside
 Hole in the middle
 Diameter:about 5mm

 Screw thread inside
 Hole in the middle
 Diameter:about 6mm

 Screw thread outside
 Pin in the middle
 Diameter:about 5mm

 Screw thread inside
 Pin in the middle
 Diameter:about 12mm

 Screw thread outside
 Hole in the middle
 Diameter:about 10mm

 Screw thread inside
 Hole in the middle
 Diameter:about 12mm

 Screw thread outside
 Pin in the middle
 Diameter:about 10mm

 Screw thread inside
 Pin in the middle
 Diameter:about 17mm

 Screw thread outside
 Hole in the middle
 Diameter:about 14mm

Male:
Has screw thread inside the body & a male pin in the centre.

Female:
Has screw thread outside the body & a female hole in the centre.

RP:
Means “Reverse Polarity” which has different characters between the body and the centre. For example, RP-SMA MALE is a male body but with female hole in the centre.

Bulkhead:
This is one kind of connect which can be screwed on the boards. Those items include washer, nut and Bulkhead.

PCB:
Means the connector has pins which can be soldered on the boards.

Panel:
Means the connector has holes which can be screwed on the boards by using screws.