HSS Step Drill Bit 7.0mm / 8.6mm
Tonetech
£78
Hosco HSS Step Drill Bit 7.0mm / 8.6mm To drill machine head post hole and ferrule hole in one suitable for Gotoh SD510, SD90, SD91 style tuners
Tonetech's own words, read from their page.
Buy from TONETECH LTD.TONETECH LTD. is a UK retailer, not the maker. Out of stock. Price seen 2026-09-26. Not an affiliate link, we earn nothing from it.






