S & T Engineers Private Limited

ST-MRD Mini Radial Drilling Machine

Compact Radial Drilling & Light Milling Machine for Industrial Applications

The ST-MRD Mini Radial Drilling Machine is a compact, versatile, and high-performance machine designed for radial drilling, light milling, and tapping operations in industrial workshops and tool rooms. Engineered for accuracy and ease of operation, this machine combines the flexibility of a radial arm with the rigidity of a gear-driven spindle, making it ideal for space-constrained production environments.

Built with a robust base and precision-machined components, the ST-MRD ensures stable drilling performance, smooth spindle rotation, and reliable machining accuracy. Its MT3 spindle taper allows the use of a wide range of standard drilling and milling tools.

Technical Specifications

• Model: ST-MRD
• Brand: S&T
• Power Source: Electric
• Voltage: 320 V | Frequency: 50 Hz
• Base Plate / Table Size: 550 × 500 mm
• Drilling Diameter: 20 mm
• Maximum Drilling Capacity: 32 mm
• Spindle Taper: MT3
• Spindle Type: Gear Driven

Machine Features & Construction

The ST-MRD is designed for industrial reliability with compact portability.

Key features include:
• Gear-driven spindle for consistent torque
• Rigid radial arm for flexible positioning
• Stable base plate to reduce vibration
• Suitable for drilling, face milling, and tapping
• Facemill capacity up to 76 mm

Operational Advantages

• Easy access to multiple drilling positions
• Smooth radial movement for accurate hole placement
• Portable mini radial design for shop-floor flexibility
• Low maintenance and long service life

Optional Accessories

• Deluxe stand
• Power table feed
• Coolant system
• Halogen work light
• Digital Readout (DRO)
• Tapping control
• Drill chuck & key
• Face milling cutter
• 3" U-type angle vice
• Chip guard for mill drill

Industries & Applications

Widely used in:
• Engineering & fabrication workshops
• Tool rooms & maintenance units
• Industrial drilling applications
• Small batch production
• Training institutes & R&D labs

Key Advantages

• Compact radial drilling machine
• MT3 taper with gear-driven spindle
• Drilling up to 32 mm capacity
• Suitable for drilling & light milling
• Reliable S&T build quality

The ST-MRD Mini Radial Drilling Machine is a practical, cost-effective solution for workshops seeking flexible drilling capability, compact design, and dependable industrial performance.

Cast Iron ST MD 30 Mini Milling Machine

Heavy-Duty Mini Milling Machine for Precision Machining & Tool Room Applications

The Cast Iron ST MD 30 Mini Milling Machine is a robust, precision-engineered milling solution designed for accurate machining, drilling, face milling, and light production work. Built with a rigid cast iron body, this mini milling machine delivers excellent vibration damping, dimensional stability, and long-term machining accuracy, making it ideal for tool rooms, workshops, training centers, and small manufacturing units.

Equipped with an R8 spindle and a reliable belt-drive spindle system, the ST MD 30 ensures smooth power transmission and consistent cutting performance. An optional gear-driven spindle is available for applications requiring higher torque and heavy-duty cutting. The machine supports a wide range of machining operations on mild steel, cast iron, aluminum, brass, and engineering plastics.

Machine Construction & Machining Capability

The rigid cast iron structure improves surface finish and tool life during milling and drilling operations. Precision-machined guideways ensure stable table movement and accurate job positioning.

Key technical specifications include:
• Spindle Type: R8 Spindle
• Drive System: Belt drive (Gear drive optional)
• Table Size: 730 × 210 mm
• Face Milling Capacity: 76 mm
• Drilling Capacity: 32 mm

Optional Accessories for Enhanced Productivity

The ST MD 30 Mini Milling Machine can be upgraded with a wide range of accessories to improve automation, accuracy, and operator convenience:
• Deluxe machine stand
• Power table feed
• Coolant system
• Halogen work light
• Digital Readout (DRO)
• Tapping control system
• Drill chuck with key
• Face milling cutter
• 3" U-type angle vice
• Chuck guard for mill drill

Performance & Operational Advantages

This mini milling machine offers smooth spindle operation, stable cutting performance, and flexibility for multiple machining tasks. The compact footprint makes it suitable for workshops with limited space while still delivering industrial-grade performance.

Material Compatibility

Suitable for machining mild steel, cast iron, aluminum, brass, copper, plastics, and light alloys.

Industry Applications

Widely used in:
• Tool rooms & die-making units
• Precision job shops
• Mechanical workshops
• Educational & training institutes
• Prototype development & R&D labs
• Automotive component support machining
• Maintenance & repair departments
• Small-scale manufacturing units

Key Advantages

• Rigid cast iron construction for accuracy
• R8 spindle for wide tooling compatibility
• Supports milling, drilling, and face milling
• Optional gear drive for heavy-duty work
• Compact design with industrial performance
• Wide range of productivity accessories

The Cast Iron ST MD 30 Mini Milling Machine is a reliable, cost-effective solution for users seeking precision milling capability, durability, and versatility in a compact machine platform—making it a strong choice for modern workshops and tool rooms.