Same Day Shipping 1-7/8″ 4MT Spiral Flute Taper Shank Bridge Reamer HSS DWRRB1-7/8

Bridge reamers are precision tools used to finish pre-drilled holes to tight tolerances in metalworking and industrial assembly. The subject tool features a 1-7/8 inches diameter, spiral flute geometry mounted on a taper shank compatible with 4MT tool holders for accurate hole finishing in machine shops and production facilities.

Specs

Dimensions: Diameter 1-7/8 inches

Drive type: 4MT Morse Taper

Shank: Taper Shank

Material grade: High Speed Steel

Features

Flute: Spiral flute design for efficient chip evacuation and improved cutting stability during hole finishing

Cutting action: Provides controlled material removal with minimal bore deviation

Shank interface: 4MT taper shank enables secure seating in standard machine tool spindles, reducing runout

Applications: Suitable for finishing holes in steel, cast iron, and alloy components such as automotive housings, hydraulic blocks, and valve bodies

Material performance: High Speed Steel construction delivers wear resistance and repeatable performance across multiple passes

Maintenance: Employ appropriate coolant or lubrication to minimize heat buildup and edge wear; store in a dry environment to preserve edge integrity

Best practices: Ensure proper axis alignment and stable workholding to minimize chatter and achieve consistent bore geometry