Precision Boring, Drilling & Tapping
High-accuracy boring, drilling and tapping operations for bearing housings, bolt hole patterns and precision circular features on heavy components.
Service Overview
Precision boring, drilling and tapping operations are integral to most heavy machining work. DHANRAJ Engineering performs these operations with the positional accuracy and surface finish required by heavy industry applications including bearing housing bores, shaft seats and precisely located bolt hole patterns.
Our Fanuc 18i-MB CNC controller provides the positional accuracy required for demanding bore location and diameter tolerances.
Key Features
Boring
Single-point boring for precision bore diameters and location tolerances in housings and seats.
Deep Hole Drilling
Precision drilling of deep holes with tight positional tolerances using CNC drilling cycles.
Tapping
CNC tapping operations for threaded holes in a wide range of thread sizes and materials.
Our Process
Process Planning
Determine bore sequence, tool selection and CNC strategy.
Drilling
Pilot drilling and finish drilling to specified depth and diameter.
Boring
Single-point boring to achieve specified bore diameter and location.
Measurement
Bore diameter and location verified with precision gauging.
Tools & Technologies
Related Services
Heavy CNC Machining
Large-format CNC machining on our SANCO double column machining centre. Ideal for large fabricated components, machine bases and structural parts up to 2200mm.
Learn More →Precision Surface Milling
High-accuracy face milling and surface milling of large components requiring flatness, parallelism and surface finish specifications.
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