1. 50mm,100mm 2.50mm Open Snap,snap button 3.stainless steel snap button set 4. ... polished 5.stainless button head bolt SpecifIcation1.SpecifIcation: 50mm2.50mm Open Snap,snap button,stainless button head boltDetails1. Casting: investment casting ... , ASTM, BS,JCSI.3. Piece numbers: small, medium and large series.4. Process: cast, machining, turning, milling, drilling, thread cutting.5 ...