The Triumph Twist Drill Co. Jobber length letter drills are engineered for high-performance precision drilling in gunsmithing, machining and other professional applications. Known for their quality and reliability, these drills consistently deliver precise results across a wide range of materials and projects.

Constructed from premium high-speed steel (HSS), these drills provide outstanding durability, heat resistance and wear tolerance, ensuring prolonged usage
The jobber length configuration provides an optimal balance between reach and rigidity, facilitating precise and straight drilling while reducing flex
Letter sizing - these drills offer an extensive array of letter sizes, ensuring adaptability for precision tasks where fractional or wire gauge dimensions are unsuitable
Engineered with precision-ground cutting edges, these drills deliver sharp, clean cuts, minimizing wandering and chipping, thereby ensuring consistent, professional-grade outcomes
Jobber length letter drills are optimal for gunsmithing applications, such as pinhole drilling, scope mount installations and other detailed firearm modifications
Additionally, they are highly suitable for general machining and workshop projects, providing precise handling of metals, plastics and wood

Report incorrect product description

Reviews

Q & A

Retail Stock

Compliance

Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.