High-Quality Material: Integral alloy steel blank through quenching heat treatment, high surface hardness, strong wear resistance and anti-deformation performance. The outer cylinder surface is mirror polished with smooth burr-free finish, effectively reduce friction during reciprocating broaching, extend service life of both guide bushing and broach cutter.
Practical Design: Complete series of keyway broach guide sleeves covering multiple metric (20D/40D/42D etc.) and inch (2-1/4D) sizes, meet all common keyway broaching machining demands. Uniform precision inner slot design matches standard keyway broaches, flexible size selection for different shaft workpiece broaching operations.
Easy to Use: Precision CNC milled internal open key slot perfectly limits broach lateral offset during processing. The split guide slot tightly wraps the broach shank to eliminate cutter shaking, ensuring straight, smooth, dimensionally accurate keyway without skew or uneven side wall defects on workpieces.
Safe & Durable: Each broach guide sleeve undergoes professional stress relief and quenching tempering process to eliminate internal machining stress. No cracking, bending or dimensional deformation under long-time heavy-load metal broaching, consistent precision for mass industrial batch production processing.
Widely Applied: Standard outer cylindrical diameter fits most common broach tool holders, CNC milling machines, manual broaching machines and hydraulic broaching fixtures. Widely used for internal keyway machining of motor shafts, gear blanks, pump shafts, automotive transmission shafts and mechanical spline workpieces.
Description
Name: Guide sleeve
Material: High speed steel
Model Number : Broach bushing
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