This Brass Pottery Nipple is ideal to hole a lampholder in place which has a 10mm base fixing.
The 10mm Brass Pottery Nipple has a hex head and is stronger that the plastic versions.
The thread length is 10mm long so can be used on a meterial thickness or approx 4-5mm
Dimensions
Hex Head Width (Max): 14.7mm
Hex Head Height: 2mm
Thread diameter: 10mm
Thread Pitch: 1mm
Thread Height: 10mm
Overal Height: 12mm
Internal diameter: 7mm