How Do You Splice A Coil Wire Successfully? Mar 7, 2018 7:59:14 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by sweepleader on Mar 7, 2018 7:59:14 GMT -5 It will stick if the oil is removed. On a flat surface I would suggest roughing up but inside a curve like that the surface finish should not matter much. Just clean.I agree with "Any decent hardware store". There are many brands. Clear is more likely to be non conductive than colored or tinted, many of those colorants are metallic.