Portable metal band saw

The utility model relates to the technical field of band saws, and discloses a portable metal band saw, the upper surface of a band saw main body is respectively provided with a rear handrail and a front handrail from left to right, the front surface of the band saw main body is provided with a band saw blade, and the middle position of the band saw main body is provided with a placing plate; a dust removal box is connected to the upper surface of the band saw body in a clamped mode, a silencing plate is integrally installed on the outer portion of the dust removal box, limiting blocks are symmetrically installed on the lower surface of the dust removal box, and limiting grooves matched with the limiting blocks are formed in the upper surface of the band saw body. By means of the effect of a pressing plate, the wood on the containing plate can be effectively clamped and fixed, and the situation that when the wood is sawn, the wood moves, and consequently losses are caused is prevented; and dust can be sucked