Parts catalog 28mm Sandvik: D3RC-2028-3741 28MM TWO-PRONGED… Sandvik D4MB-1628-2971 28MM DIA 2 WING… Sandvik D6MC-1628-2655 28MM THREE WING BIT Sandvik D6RC-1728-2655 28MM 3 WING BIT Sandvik D9MB-1628-2871 28MM DIA M16 TREAD… Sandvik DTD6MC-1628-2655 28MM THREE WING BIT Sandvik DTD6RC-1728-2655 28MM 3 WING BIT Sandvik DTD9MB-1628-2871 28MM DIA M16 TREAD… Sandvik :