Drill body and drill

A drill body for a drill comprising:

• a rotational axis;
• a central insert seat;
• a peripheral insert seat located at a front end portion of the drill body, wherein the central insert seat is configured for receiving a central cutting insert arranged for cutting a central portion of a hole having a hole diameter D, and the peripheral insert seat is configured for receiving a peripheral cutting insert for cutting a peripheral portion of the hole;
• and
• a central chip flute extending from the central insert seat along a periphery of the drill body and a peripheral chip flute extending from the peripheral insert seat along a periphery of the drill body, and wherein the central chip flute has a central chip flute cross-section in a plane extending perpendicularly to the rotational axis, and the peripheral chip flute has a peripheral chip flute cross-section in the plane extending perpendicularly to the rotational axis, each of the central chip flute cross-section and the peripheral chip flute cross-section being formed within a circumscribed circle of the drill body in the plane extending perpendicularly to the rotational axis, wherein the peripheral chip flute cross-section has a centre line extending in the plane and through the rotational axis, wherein the peripheral chip flute cross-section has a radially inner side extending perpendicularly to the centre line, and a first lateral side and an opposite second lateral side connecting to the radially inner side, wherein the radially inner side has a length L1 within a range of L1=0.95×D/4 to L1=1.2×D/4, wherein each of the first and second lateral sides has a length LS1, LS2 within a range of D/4 to 1.3×D/4 and wherein the first and second lateral sides diverge from each other in a direction radially outwards from the radially inner side.