A method of forming a powder injection molding part, the method comprising: providing a blank (52;152) having a molded body (50;150), the molded body (50;150) being in the green state and made of powder injection molding material, the powder injection molding material including a solidified binder and a powder material mixed with the binder material; engaging the blank (52;152) with a retaining fixture (54;154) of a machine tool (56;156); and while supporting the blank (52;152) with the retaining fixture (54;154), machining the molded body (50;150) using the machine tool (56;156) to obtain a machined green part (50';150') in the green state; characterized in that: providing the blank (52;152) includes molding the molded body (50;150) by injecting a feedstock of the powder injection molding material into a mold cavity (22;122) containing an inner portion (46;146) of a solid support member (26;126) to connect the inner portion with the molded body (50;150), wherein the solid support member (26;126) has a greater rigidity than the green body (50;150), wherein the solid support member (26;126) is partially contained in the green body (50;150), and removing the connected molded body and support member from the mold cavity (22;122); engaging the blank (52;152) with the retaining fixture (54;154) of a machine tool (56;156) is performed by engaging an outer portion (36;136) of the solid support member (26;126) with the retaining fixture (54;154), the machining being performed while supporting the blank (52;152) through the engagement between the outer portion (36;136) of the solid support member (26;126) and the retaining fixture (54;154); and the method further comprises disengaging the solid support member (26;126) from the machined green part (50';150'). providing a blank (52;152) having a molded body (50;150), the molded body (50;150) being in the green state and made of powder injection molding material, the powder injection molding material including a solidified binder and a powder material mixed with the binder material; engaging the blank (52;152) with a retaining fixture (54;154) of a machine tool (56;156); and while supporting the blank (52;152) with the retaining fixture (54;154), machining the molded body (50;150) using the machine tool (56;156) to obtain a machined green part (50';150') in the green state; characterized in that: providing the blank (52;152) includes molding the molded body (50;150) by injecting a feedstock of the powder injection molding material into a mold cavity (22;122) containing an inner portion (46;146) of a solid support member (26;126) to connect the inner portion with the molded body (50;150), wherein the solid support member (26;126) has a greater rigidity than the green body (50;150), wherein the solid support member (26;126) is partially contained in the green body (50;150), and removing the connected molded body and support member from the mold cavity (22;122); engaging the blank (52;152) with the retaining fixture (54;154) of a machine tool (56;156) is performed by engaging an outer portion (36;136) of the solid support member (26;126) with the retaining fixture (54;154), the machining being performed while supporting the blank (52;152) through the engagement between the outer portion (36;136) of the solid support member (26;126) and the retaining fixture (54;154); and the method further comprises disengaging the solid support member (26;126) from the machined green part (50';150'). providing the blank (52;152) includes molding the molded body (50;150) by injecting a feedstock of the powder injection molding material into a mold cavity (22;122) containing an inner portion (46;146) of a solid support member (26;126) to connect the inner portion with the molded body (50;150), wherein the solid support member (26;126) has a greater rigidity than the green body (50;150), wherein the solid support member (26;126) is partially contained in the green body (50;150), and removing the connected molded body and support member from the mold cavity (22;122); engaging the blank (52;152) with the retaining fixture (54;154) of a machine tool (56;156) is performed by engaging an outer portion (36;136) of the solid support member (26;126) with the retaining fixture (54;154), the machining being performed while supporting the blank (52;152) through the engagement between the outer portion (36;136) of the solid support member (26;126) and the retaining fixture (54;154); and the method further comprises disengaging the solid support member (26;126) from the machined green part (50';150').