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The Milwaukee 42-38-0042 is a genuine original equipment manufacturer (OEM) structural workpiece bumper engineered for high-capacity, heavy-duty deep-cut portable band saws. It serves as the primary load-bearing interface and stabilizer for the tool’s rear blade guide mechanism, preventing structural deflection of the blade and absorbing mechanical impact forces during material contact. This component replaces the legacy production variant 42-38-0041 and is identified as Item No. 62 in official Milwaukee Service Parts List Bulletins.
Features
Rigid Rear Guide Stabilization: Functions as a heavy-duty anchor for rear roller guide blocks to limit twisting under intensive cutting pressure.
Deflection Containment Stop: Acts as a mechanical travel limit to prevent structural over-travel of the tensioning mechanism when cutting dense stock.
Impact Dissipation Pathway: Absorbs kinetic shock generated during workpiece engagement to protect internal motor assemblies and tool casings.
Kerf Accuracy Support: Maintains guide rollers in a perpendicular orientation relative to the blade plane to prevent blade drift.
Corrosion Resistance: Black oxide chemical conversion coating protects against cutting fluids, humidity, and industrial lubricants.
Structural Integrity: High-strength alloy carbon steel limits micro-deformations under high torque or side-loading.
