boybi, I got mine from ace sm pamp. 3 pcs ito the smallest fit my need, the other 2 wala lang, I forgot the brand. Most complete line oto or hardware supply would have this. cost was about P250 yata.

primeforce, ang naputol ko na bolt was para sa distributor ajustment. the situation was as complicated as yours. Binalutan ko ng tela/basahan ang lahat ng paligid. Yung area lang na concern ang exposed halos.

tapos me magnet ako, to retrieve the metal shavings na pulbos. that's why you have to do it slowly and cautiously.

nakuha din sa tiyaga....nung una ayaw magbudge...I was about to give up na and bring it to a pro...pero awa na diyos gumalaw ng kaunti...ayun....nagtuloy-tuloy na rin maalis.

meron kasing bolt extractor na maganda (kumakagat ng kusa sa existing metal). The extractor should be smaller than the bolt.

I got the whole info how magextract ng bolt sa internet (search "bolt extraction").