Overview
The Chicago Quadrill Model D is a four-position turret drill head attachment engineered for drill press mounting. This precision mechanical tool head enables sequential drilling and boring operations without the need to reposition the workpiece or change tools manually. Designed and manufactured by the Chicago Quadrill Company, this turret head has been a staple in machine shops, tool rooms, and manufacturing facilities since the mid-20th century.
Key Features
- Four-position indexing turret allows rapid tool changes during drilling sequences
- Precision-machined design ensures accurate tool alignment and positioning
- Compatible with standard Morse taper drill press spindles
- Manual indexing system; rotate turret while feed is disengaged
- Heavy-duty casting construction for reliable performance and durability
- Supports half-inch chuck capacity for drills and tapping tools
Technical Specifications
- Positions: Four-position turret indexer
- Spindle Mounting: Morse taper (2MT or 3MT adapters available)
- Chuck Capacity: 1/2-inch standard
- Turret Operation: Manual indexing with feed disengagement
- Material: Cast iron construction
- Manufacturer: Chicago Quadrill Co.
- Model: D
Typical Applications
- Production drilling of multiple holes without workpiece repositioning
- Counterboring and spot-facing operations on drill press machines
- Tapping applications using multi-position tool heads
- Job shop and tool room drilling operations
- High-volume drilling tasks requiring rapid tool indexing
Compatibility & Replacements
Compatible With
- Drill presses with Morse taper (2MT or 3MT) spindle noses
- Standard drill press quills with compatible diameter
- 1/2-inch drill chucks and collets
- Delta and Walker Turner drill presses (common original platforms)
- Custom-adapted drill presses with matching quill specifications
Replaces / Drop-In Replacement For
- Chicago Quadrill multi-position turret heads with equivalent specifications
- Other four-position turret drill attachments for compatible spindle taper
Works With
- Manual feed drill press operations
- Progressive drilling sequences on standard industrial drill presses
- Hand-operated tool indexing systems
Note: Before ordering, verify compatibility with your specific drill press model, spindle taper size (2MT or 3MT), and quill diameter. Custom adapter plates may be required for some installations. Consult the Chicago Quadrill Company mounting instructions or your system integrator for proper fitment and installation procedures.
