OSG Chucking Reamer: 0.159 in Dia, #21, Straight Flute

An OSG chucking reamer is used for precision finishing of drilled or bored holes to achieve tight diameter tolerances and smooth surface finishes. It is commonly applied in machining operations across automotive, aerospace, and general manufacturing industries where accuracy and repeatability are critical.

The OSG 300-1590 is a straight-flute solid carbide chucking reamer with a 0.159 in diameter, corresponding to a #21 size. It is manufactured by OSG under part number 300-1590. The carbide construction provides hardness and wear resistance for extended tool life in ferrous and non-ferrous materials.

3G Electric supplies the OSG 300-1590 chucking reamer to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this precision tool.

Select a chucking reamer based on hole diameter, material, and tolerance requirements. For the OSG 300-1590, match the 0.159 in diameter to your finished hole size. Use straight-flute reamers for through holes and general applications; carbide is ideal for hard materials and high production runs.