At Superior Machine & Tool, we offer deep hole gun drilling to depths up to 12” for parts up to 1.5” in diameter. Our micro-precision drilling equipment is capable of drilling holes between ±0.04” and 0.25” in diameter while maintaining tolerances as tight as ±0.020”. Using this advanced equipment, angle, blind, concentric, intersection, and flat bottom holes can be drilled in a wide range of materials including alloy steel and titanium.
All necessary tooling and fixtures are designed and fabricated in-house, affording us complete control over the quality of parts we produce. Our micro-precision deep hole drilling is widely utilized by customers in the firearm industry, but especially when combined with one of our other machining services. This process has widespread applications in a broad range of industries including the medical and aerospace sectors.
Depending on the material and hole size, feed rates up to 40 inches per minute are possible, and drilling can be performed on multiple spindles, expediting total processing time. Tool breakage monitoring systems track the cutting tool in real time to prevent scrap material, which is especially important when drilling high-cost alloys.
Our engineering and design abilities range from building parts according to provided technical prints all the way to complete design support and solid modeling. Our quality is backed by an extensive history in the machining industry and our ISO 9001:2008 certification. We also provide numerous secondary services such as grinding, plating, and polishing for customers who are seeking a single-source manufacturing solution. For additional information about our micro precision gun hole drilling capabilities, contact us directly.
 Micro Gun Drilling Machine |
 Micro-gun Drill |
 Inside Gun Drill |
Precihole Micro-gun Drill |
1mm(0.04″) – 6mm(0.25″) Drilling Diameter |
12″ Hole Depth in 1.5″ Component OD |
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1 or 2 Spindles (1.5 HP) |
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1,000-25,000 RPM |
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Feed Rates from 0-40 IPM |
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Tool Breakage Monitoring |
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Linear Motion Guideways |
Hole Types |
Angle Ball End Blind Concentric Cross Cavity Flat Bottom Intersecting Thru |
Drilling Diameter |
1 to 6 mm 0.04 to 0.25 in |
Drilling Depth |
12 in |
Component Outer Diameter |
1.5 in |
Revolutions per Minute |
1000 to 25000 rpm |
Feed Rates |
0 to 40 in/min |
Precihole Micro-gun Drill |
Linear Motion Guideways Tool Breakage Monitoring |
Tight Tolerances(±) |
0.020 in |
Equipment Capabilities |
CAM Programming Services CAM Works Design Services CNC Control Capabilities Reverse Engineering |
Fixtures |
Cone jaw Centers Four-jaw chuck In-House Fixturing & Tooling Three-jaw chuck |
Secondary Services Offered |
Anodizing Assembly Bending Broaching Centerless Grinding Deep hole Drilling Drilling Etch and Chromating Grinding
Counter Sinking |
Advantages of Turning |
Materials compatible Short lead times Tight tolerances |
Quality |
Job Boss Software TQS Software |
Production Volume |
High Volume Large Scale Production Volume Run Low Volume Prototype Specialty Production Shop |
Lead Times Available |
Emergency services available Quoted on job by job basis Rush Services Available |
Industry Standards |
ISO 9001:2008 (International Organization for Standardization) |