A rotary cutting body having a tool axis (AT) about which the cutting body is rotatable in a direction of rotation (R), comprising: at least one insert receiving pocket provided at an axial forward end of the cutting body , the insert receiving pocket having: a seat surface facing in the direction of rotation (R) and including a threaded bore having a bore axis (A1), a radially outward facing pocket wall transverse to the seat surface , the pocket wall having a wall edge spaced apart from the seat surface , a first plane (P1) which is tangential to the wall edge , perpendicular to the seat surface and intersects the axial forward end of the cutting body , and a plurality of elongated male and/or female abutment elements (30; 32a, 32b) associated with the seat surface and including: an axial abutment element having an axially forward facing abutment surface , the axially forward facing abutment surface having an axial abutment edge , and at least one radial abutment element having a radially inward facing abutment surface , wherein: the axial abutment element is transverse to the at least one radial abutment element and wherein: in a top view of the insert receiving pocket , the axial abutment edge forms an external acute clamping angle (α) with the first plane (P1), characterised in that the bore axis (A1) is located in the area of the seat surface subtended by the clamping angle (α). at least one insert receiving pocket provided at an axial forward end of the cutting body , the insert receiving pocket having: a seat surface facing in the direction of rotation (R) and including a threaded bore having a bore axis (A1), a radially outward facing pocket wall transverse to the seat surface , the pocket wall having a wall edge spaced apart from the seat surface , a first plane (P1) which is tangential to the wall edge , perpendicular to the seat surface and intersects the axial forward end of the cutting body , and a plurality of elongated male and/or female abutment elements (30; 32a, 32b) associated with the seat surface and including: an axial abutment element having an axially forward facing abutment surface , the axially forward facing abutment surface having an axial abutment edge , and at least one radial abutment element having a radially inward facing abutment surface , wherein: a seat surface facing in the direction of rotation (R) and including a threaded bore having a bore axis (A1), a radially outward facing pocket wall transverse to the seat surface , the pocket wall having a wall edge spaced apart from the seat surface , a first plane (P1) which is tangential to the wall edge , perpendicular to the seat surface and intersects the axial forward end of the cutting body , and a plurality of elongated male and/or female abutment elements (30; 32a, 32b) associated with the seat surface and including: an axial abutment element having an axially forward facing abutment surface , the axially forward facing abutment surface having an axial abutment edge , and at least one radial abutment element having a radially inward facing abutment surface , an axial abutment element having an axially forward facing abutment surface , the axially forward facing abutment surface having an axial abutment edge , and at least one radial abutment element having a radially inward facing abutment surface , wherein: the axial abutment element is transverse to the at least one radial abutment element and wherein: in a top view of the insert receiving pocket , the axial abutment edge forms an external acute clamping angle (α) with the first plane (P1), characterised in that the bore axis (A1) is located in the area of the seat surface subtended by the clamping angle (α). in a top view of the insert receiving pocket , the axial abutment edge forms an external acute clamping angle (α) with the first plane (P1), characterised in that the bore axis (A1) is located in the area of the seat surface subtended by the clamping angle (α). <EOS>