Mollart Drillsprint CNC Twin Spindle Gun Drill
Item No. 6240
🇺🇸 USAFinancingYear 2000
Mollart LD-500 CNC Twin Spindle Gun Drill with AEC Portable Chiller
Item No. 6241
🇺🇸 USAFinancingLooking for Something Specific?
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About Used Gun Drills & Deep-Hole Drilling Machines
Gun drills and deep-hole drilling machines produce straight, precise holes with depth-to-diameter ratios far beyond what conventional drilling can achieve — 20:1, 50:1, even 100:1 and more. Originally developed for gun barrels, gun drilling is now essential for mold cooling lines, firearms, medical instruments, hydraulic manifolds, crankshafts, and aerospace components. Modern CNC gun drills feature multiple spindles, programmable feeds, and high-pressure through-tool coolant that evacuates chips out of the hole as it's cut.
Related Manual & Tool-Room Machines
Manual & Tool-Room Equipment and Machinery
Manual and tool-room machines are the general-purpose machine tools that keep a shop running alongside its CNC equipment — manual knee mills, engine lathes, drill presses, radial and gun drills, bar feeders, and other tool-room equipment.
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Browse the full used CNC machine inventory — machining centers, lathes, EDM, and more.
Top Brands for Used Gun Drills & Deep-Hole Drilling Machines
Mollart
UK deep-hole drilling specialist — CNC single and twin-spindle gun drills for mold, medical, and aerospace work.
UNISIG
American deep-hole drilling systems — gun drilling and BTA machines from job-shop size to fully automated cells.
Eldorado
Classic American gun drill builder — rugged single and multi-spindle machines with a huge installed base.
DeHoff
American gun drilling machines known for simple, durable designs in high-volume production.
Kays
British deep-hole drilling builder with decades of gun drill manufacturing heritage.
Cheto
Portuguese builder of modern CNC deep-hole drilling and milling centers for the mold industry.
Common Applications
Frequently Asked Questions
What is a gun drill used for?
Gun drilling machines drill deep, straight, precise holes that conventional twist drills can't achieve — typical applications include mold and die cooling channels, gun barrels, hydraulic manifolds, medical and surgical instruments, crankshaft oil passages, and aerospace components. The single-flute tool with through-tool high-pressure coolant keeps the hole straight and evacuates chips over the full depth.
What's the difference between gun drilling and BTA drilling?
Gun drilling uses a single-flute tool with coolant delivered through the tool and chips evacuated along an external V-flute — best for holes roughly 1mm to 50mm in diameter. BTA (Boring and Trepanning Association) drilling delivers coolant around the outside of the tool and evacuates chips through the drill tube's center, supporting larger diameters and faster feed rates. Many deep-hole machines support both processes.
How much does a used gun drilling machine cost?
Used gun drill prices vary widely by spindle count, stroke, and control: older manual/hydraulic machines can run $10,000-$30,000, while late-model CNC twin-spindle machines from builders like Mollart or UNISIG range from $50,000 to $250,000+. Contact Meadoworks at 800-323-0307 for current availability and pricing.
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