Triumph Twist Drill Co.

About Triumph Twist Drill Co.

Triumph Twist Drill Co. has been manufacturing high-quality precision cutting tools since 1952 when founder Harry Beck established the company in Chisholm, Minnesota.

Starting from humble beginnings in a 420 square foot building, the company grew to become one of the leading twist drill manufacturers in the United States.

Over more than 50 years of operation, Triumph built a solid reputation for precision drilling solutions in specialized markets, particularly among professional gunsmiths and firearms manufacturers.

In January 2021, Walter Surface Technologies acquired the company, expanding their North American metalworking capabilities and ensuring continued innovation.

Today, Triumph remains committed to providing the precision cutting tools that gunsmiths and industrial professionals rely on for critical applications.

Popular Triumph Twist Drill Features

135° Split Point Design

• Self-centering technology reduces wandering and provides accurate hole placement for precision gunsmithing work.

Premium High Speed Steel Construction

• Heat-resistant HSS material delivers exceptional durability under rigorous drilling conditions.

Multiple Coating Options

• Available in black oxide, bronze oxide, bright finish, and TiN coated varieties for different material applications.

Precision-Ground Cutting Edges

• Sharp cutting edges minimize chipping and provide consistently clean, accurate holes in various materials.

Unique Flute Geometry

• Advanced flute design aids in chip removal for smoother drilling operations and extended tool life.

Multiple Length Options

• Jobber-length and short-length designs provide optimal reach and rigidity for different workspace requirements.

Best-Selling Triumph Twist Drill Products

ThunderBit® Series

• Heavy-duty drill bits with black and bronze oxide coating, popular for demanding gunsmithing and metalworking applications.

TriNADO® Series

• High-performance HSS drill bits featuring unique flute geometry for superior chip removal and drilling efficiency.

29-Piece ThunderBit Drill Bit Sets

• Complete sets covering 1/16" to 1/2" range, providing gunsmiths with comprehensive drilling solutions in one package.

Wire Gauge Drills

• Available in jobber and short lengths for precise pin hole drilling and sight mounting applications.

ThunderTap® Series

• Precision tapping tools designed for threading operations in barrel work and custom firearm modifications.

Letter Drills

• Standard sizing options that provide consistent hole dimensions for professional gunsmithing projects.

Left-Hand Drill Bits

• Specialized extraction tools popular among gunsmiths for removing broken screws and pins from firearms.

12" Long Aircraft Drills

• Extended-length drills designed for deep drilling applications in barrel work and long-reach projects.

Popular Uses for Triumph Twist Drill Tools

Professional Gunsmithing

• Triumph drills excel at precise pinhole drilling, scope mount installations, and custom firearm modifications that require exact tolerances.

Barrel Threading Operations

• The ThunderTap series provides reliable threading solutions for muzzle device installations and custom barrel work.

Sight and Accessory Mounting

• Wire gauge drills offer the precision needed for mounting rifle scopes, iron sights, and tactical accessories.

Industrial Metalworking

• Beyond firearms, these tools serve automotive, aerospace, and general machining applications requiring high-precision drilling.

Custom Fabrication and Repair

• Left-hand drills and extraction tools make Triumph products valuable for repair work and custom fabrication projects.

Triumph Twist Drill FAQs

QUESTION: What makes Triumph Twist Drill bits suitable for gunsmithing work?
ANSWER: Triumph drill bits feature 135° split point design and precision-ground cutting edges that provide the accuracy and clean holes required for professional gunsmithing applications.

QUESTION: What's the difference between ThunderBit and TriNADO drill bit series?
ANSWER: ThunderBit series features heavy-duty construction with black and bronze oxide coating, while TriNADO series offers unique flute geometry for superior chip removal.

QUESTION: Are Triumph Twist Drill products made in the USA?
ANSWER: Yes, Triumph Twist Drill maintains high-quality manufacturing standards with USA-made products trusted by professionals for critical applications.

QUESTION: Which drill sizes work best for scope mounting on rifles?
ANSWER: Wire gauge drills in various sizes provide the precision needed for scope mount holes, with specific sizes depending on your mounting system requirements.

QUESTION: What coating should I choose for drilling steel firearms components?
ANSWER: Black oxide or bronze oxide coatings offer excellent heat resistance and durability when drilling steel firearm components.

QUESTION: When should I use jobber length versus short length drill bits?
ANSWER: Short length drills provide enhanced rigidity for tight spaces, while jobber length offers optimal reach for deeper drilling applications.

QUESTION: What are left-hand drill bits used for in gunsmithing?
ANSWER: Left-hand drill bits are extraction tools used to remove broken screws, pins, and other fasteners from firearms during repair work.

QUESTION: Where can I buy Triumph Twist Drill cutting tools?
ANSWER: Triumph products are available through authorized distributors including gunsmithing suppliers like Brownells and industrial tool retailers.