For punch fitting tapered studs, convert a previously drilled cylindrical hole into a tapered hole identical to the taper of the stud. When the tapered stud is fitted into the tapered hole, the stud fit perfectly and is removable. Select the punch size indicated for each tapered stud. Weight 30 g.
For ref. BOUT0 (size 5/16”), drill Ø 6.5 mm.
For ref. BOUT1 (size 3/8”), drill Ø 8.5 mm.