Milling cutter from selection of tool steels from Osborn-Mushet Tools Ltd., Sheffield, England, 1972. Milling cutter from selection of tool steels from Osborn-Mushet Tools Ltd. 1972
Drill bit from selection of tool steels from Osborn-Mushet Tools Ltd., Sheffield, England, 1972. HSS Drill-Bit 1972
Slotted drill bit from selection of tool steels from Osborn-Mushet Tools Ltd., Sheffield, England, 1972. Slotted drill bit from selection of tool steels from Osborn-Mushet Tools Ltd. 1972